1What: /sys/bus/iio/devices/iio:deviceX 2KernelVersion: 2.6.35 3Contact: linux-iio@vger.kernel.org 4Description: 5 Hardware chip or device accessed by one communication port. 6 Corresponds to a grouping of sensor channels. X is the IIO 7 index of the device. 8 9What: /sys/bus/iio/devices/triggerX 10KernelVersion: 2.6.35 11Contact: linux-iio@vger.kernel.org 12Description: 13 An event driven driver of data capture to an in kernel buffer. 14 May be provided by a device driver that also has an IIO device 15 based on hardware generated events (e.g. data ready) or 16 provided by a separate driver for other hardware (e.g. 17 periodic timer, GPIO or high resolution timer). 18 19 Contains trigger type specific elements. These do not 20 generalize well and hence are not documented in this file. 21 X is the IIO index of the trigger. 22 23What: /sys/bus/iio/devices/iio:deviceX/buffer 24KernelVersion: 2.6.35 25Contact: linux-iio@vger.kernel.org 26Description: 27 Directory of attributes relating to the buffer for the device. 28 29What: /sys/bus/iio/devices/iio:deviceX/name 30KernelVersion: 2.6.35 31Contact: linux-iio@vger.kernel.org 32Description: 33 Description of the physical chip / device for device X. 34 Typically a part number. 35 36What: /sys/bus/iio/devices/iio:deviceX/label 37KernelVersion: 5.8 38Contact: linux-iio@vger.kernel.org 39Description: 40 Optional symbolic label for a device. 41 This is useful for userspace to be able to better identify an 42 individual device. 43 44 The contents of the label are free-form, but there are some 45 standardized uses: 46 47 For proximity sensors which give the proximity (of a person) to 48 a certain wlan or wwan antenna the following standardized labels 49 are used: 50 51 * "proximity-wifi" 52 * "proximity-lte" 53 * "proximity-wifi-lte" 54 * "proximity-wifi-left" 55 * "proximity-wifi-right" 56 57 These are used to indicate to userspace that these proximity 58 sensors may be used to tune transmit power to ensure that 59 Specific Absorption Rate (SAR) limits are honored. 60 The "-left" and "-right" labels are for devices with multiple 61 antennas. 62 63 In some laptops/tablets the standardized proximity sensor labels 64 instead indicate proximity to a specific part of the device: 65 66 * "proximity-palmrest" indicates proximity to the keyboard's palmrest 67 * "proximity-palmrest-left" indicates proximity to the left part of the palmrest 68 * "proximity-palmrest-right" indicates proximity to the right part of the palmrest 69 * "proximity-lap" indicates the device is being used on someone's lap 70 71 Note "proximity-lap" is special in that its value may be 72 calculated by firmware from other sensor readings, rather then 73 being a raw sensor reading. 74 75 For accelerometers used in 2-in-1s with 360° (yoga-style) hinges, 76 which have an accelerometer in both their base and their display, 77 the following standardized labels are used: 78 79 * "accel-base" 80 * "accel-display" 81 82 For devices where an accelerometer is housed in the swivel camera subassembly 83 (for AR application), the following standardized label is used: 84 85 * "accel-camera" 86 87What: /sys/bus/iio/devices/iio:deviceX/current_timestamp_clock 88KernelVersion: 4.5 89Contact: linux-iio@vger.kernel.org 90Description: 91 String identifying current posix clock used to timestamp 92 buffered samples and events for device X. 93 94What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency 95What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency 96What: /sys/bus/iio/devices/iio:deviceX/buffer/sampling_frequency 97What: /sys/bus/iio/devices/iio:deviceX/events/sampling_frequency 98What: /sys/bus/iio/devices/triggerX/sampling_frequency 99KernelVersion: 2.6.35 100Contact: linux-iio@vger.kernel.org 101Description: 102 Some devices have internal clocks. This parameter sets the 103 resulting sampling frequency. In many devices this 104 parameter has an effect on input filters etc. rather than 105 simply controlling when the input is sampled. As this 106 affects data ready triggers, hardware buffers and the sysfs 107 direct access interfaces, it may be found in any of the 108 relevant directories. If it affects all of the above 109 then it is to be found in the base device directory. 110 111 The stm32-timer-trigger has the additional characteristic that 112 a sampling_frequency of 0 is defined to stop sampling. 113 114What: /sys/bus/iio/devices/iio:deviceX/sampling_frequency_available 115What: /sys/bus/iio/devices/iio:deviceX/in_intensity_sampling_frequency_available 116What: /sys/bus/iio/devices/iio:deviceX/in_proximity_sampling_frequency_available 117What: /sys/.../iio:deviceX/buffer/sampling_frequency_available 118What: /sys/bus/iio/devices/triggerX/sampling_frequency_available 119KernelVersion: 2.6.35 120Contact: linux-iio@vger.kernel.org 121Description: 122 When the internal sampling clock can only take a specific set of 123 frequencies, we can specify the available values with: 124 125 - a small discrete set of values like "0 2 4 6 8" 126 - a range with minimum, step and maximum frequencies like 127 "[min step max]" 128 129What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio 130KernelVersion: 2.6.38 131Contact: linux-iio@vger.kernel.org 132Description: 133 Hardware dependent ADC oversampling. Controls the sampling ratio 134 of the digital filter if available. 135 136What: /sys/bus/iio/devices/iio:deviceX/oversampling_ratio_available 137KernelVersion: 2.6.38 138Contact: linux-iio@vger.kernel.org 139Description: 140 Hardware dependent values supported by the oversampling filter. 141 142What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_raw 143What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_raw 144KernelVersion: 2.6.35 145Contact: linux-iio@vger.kernel.org 146Description: 147 Raw (unscaled no bias removal etc.) voltage measurement from 148 channel Y. In special cases where the channel does not 149 correspond to externally available input one of the named 150 versions may be used. The number must always be specified and 151 unique to allow association with event codes. Units after 152 application of scale and offset are millivolts. 153 154 Channels with 'i' and 'q' modifiers always exist in pairs and both 155 channels refer to the same signal. The 'i' channel contains the in-phase 156 component of the signal while the 'q' channel contains the quadrature 157 component. 158 159What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_raw 160KernelVersion: 2.6.35 161Contact: linux-iio@vger.kernel.org 162Description: 163 Raw (unscaled) differential voltage measurement equivalent to 164 channel Y - channel Z where these channel numbers apply to the 165 physically equivalent inputs when non-differential readings are 166 separately available. Even though differential-only parts had 167 been merely required to have consistent channel labeling, this 168 ABI is preferred over the non-differential one for those chips. 169 Units after application of scale and offset are millivolts. 170 171What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_rms_raw 172KernelVersion: 6.18 173Contact: linux-iio@vger.kernel.org 174Description: 175 Raw (unscaled) Root Mean Square (RMS) voltage measurement from 176 channel Y. Units after application of scale and offset are 177 millivolts. 178 179What: /sys/bus/iio/devices/iio:deviceX/in_powerY_raw 180What: /sys/bus/iio/devices/iio:deviceX/in_powerY_active_raw 181What: /sys/bus/iio/devices/iio:deviceX/in_powerY_reactive_raw 182What: /sys/bus/iio/devices/iio:deviceX/in_powerY_apparent_raw 183KernelVersion: 4.5 184Contact: linux-iio@vger.kernel.org 185Description: 186 Raw (unscaled no bias removal etc.) power measurement from 187 channel Y. The number must always be specified and 188 unique to allow association with event codes. Units after 189 application of scale and offset are milliwatts. 190 191What: /sys/bus/iio/devices/iio:deviceX/in_powerY_powerfactor 192KernelVersion: 6.18 193Contact: linux-iio@vger.kernel.org 194Description: 195 Power factor measurement from channel Y. Power factor is the 196 ratio of active power to apparent power. The value is unitless. 197 198What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_raw 199KernelVersion: 3.2 200Contact: linux-iio@vger.kernel.org 201Description: 202 Raw capacitance measurement from channel Y. Units after 203 application of scale and offset are nanofarads. 204 205What: /sys/.../iio:deviceX/in_capacitanceY-capacitanceZ_raw 206KernelVersion: 3.2 207Contact: linux-iio@vger.kernel.org 208Description: 209 Raw differential capacitance measurement equivalent to 210 channel Y - channel Z where these channel numbers apply to the 211 physically equivalent inputs when non differential readings are 212 separately available. In differential only parts, then all that 213 is required is a consistent labeling. Units after application 214 of scale and offset are nanofarads. 215 216What: /sys/.../iio:deviceX/in_capacitanceY-capacitanceZ_zeropoint 217KernelVersion: 6.1 218Contact: linux-iio@vger.kernel.org 219Description: 220 For differential channels, this an offset that is applied 221 equally to both inputs. As the reading is of the difference 222 between the two inputs, this should not be applied to the _raw 223 reading by userspace (unlike _offset) and unlike calibbias 224 it does not affect the differential value measured because 225 the effect of _zeropoint cancels out across the two inputs 226 that make up the differential pair. It's purpose is to bring 227 the individual signals, before the differential is measured, 228 within the measurement range of the device. The naming is 229 chosen because if the separate inputs that make the 230 differential pair are drawn on a graph in their 231 _raw units, this is the value that the zero point on the 232 measurement axis represents. It is expressed with the 233 same scaling as _raw. 234 235What: /sys/bus/iio/devices/iio:deviceX/in_temp_raw 236What: /sys/bus/iio/devices/iio:deviceX/in_tempY_raw 237What: /sys/bus/iio/devices/iio:deviceX/in_temp_x_raw 238What: /sys/bus/iio/devices/iio:deviceX/in_temp_y_raw 239What: /sys/bus/iio/devices/iio:deviceX/in_temp_ambient_raw 240What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_raw 241KernelVersion: 2.6.35 242Contact: linux-iio@vger.kernel.org 243Description: 244 Raw (unscaled no bias removal etc.) temperature measurement. 245 If an axis is specified it generally means that the temperature 246 sensor is associated with one part of a compound device (e.g. 247 a gyroscope axis). The ambient and object modifiers distinguish 248 between ambient (reference) and distant temperature for contact- 249 less measurements. Units after application of scale and offset 250 are milli degrees Celsius. 251 252What: /sys/bus/iio/devices/iio:deviceX/in_tempY_input 253What: /sys/bus/iio/devices/iio:deviceX/in_temp_input 254KernelVersion: 2.6.38 255Contact: linux-iio@vger.kernel.org 256Description: 257 Scaled temperature measurement in milli degrees Celsius. 258 259What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_raw 260What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_raw 261What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_raw 262KernelVersion: 2.6.35 263Contact: linux-iio@vger.kernel.org 264Description: 265 Acceleration in direction x, y or z (may be arbitrarily assigned 266 but should match other such assignments on device). 267 Has all of the equivalent parameters as per voltageY. Units 268 after application of scale and offset are m/s^2. 269 270What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_x_raw 271What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_y_raw 272What: /sys/bus/iio/devices/iio:deviceX/in_accel_linear_z_raw 273KernelVersion: 6.1 274Contact: linux-iio@vger.kernel.org 275Description: 276 As per in_accel_X_raw attributes, but minus the 277 acceleration due to gravity. 278 279What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw 280What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw 281What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw 282KernelVersion: 4.11 283Contact: linux-iio@vger.kernel.org 284Description: 285 Gravity in direction x, y or z (may be arbitrarily assigned 286 but should match other such assignments on device). 287 Units after application of scale and offset are m/s^2. 288 289What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_x_raw 290What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_y_raw 291What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_z_raw 292KernelVersion: 6.5 293Contact: linux-iio@vger.kernel.org 294Description: 295 Angular displacement between two consecutive samples on x, y or 296 z (may be arbitrarily assigned but should match other such 297 assignments on device). 298 In order to compute the total angular displacement during a 299 desired period of time, the application should sum-up the delta 300 angle samples acquired during that time. 301 Units after application of scale and offset are radians. 302 303What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_x_raw 304What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_y_raw 305What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_z_raw 306KernelVersion: 6.5 307Contact: linux-iio@vger.kernel.org 308Description: 309 The linear velocity change between two consecutive samples on x, 310 y or z (may be arbitrarily assigned but should match other such 311 assignments on device). 312 In order to compute the total linear velocity change during a 313 desired period of time, the application should sum-up the delta 314 velocity samples acquired during that time. 315 Units after application of scale and offset are meters per 316 second. 317 318What: /sys/bus/iio/devices/iio:deviceX/in_angl_raw 319What: /sys/bus/iio/devices/iio:deviceX/in_anglY_raw 320KernelVersion: 4.17 321Contact: linux-iio@vger.kernel.org 322Description: 323 Angle of rotation. Units after application of scale and offset 324 are radians. 325 326What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_x_raw 327What: /sys/bus/iio/devices/iio:deviceX/in_positionrelative_y_raw 328KernelVersion: 4.19 329Contact: linux-iio@vger.kernel.org 330Description: 331 Relative position in direction x or y on a pad (may be 332 arbitrarily assigned but should match other such assignments on 333 device). 334 Units after application of scale and offset are milli percents 335 from the pad's size in both directions. Should be calibrated by 336 the consumer. 337 338What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw 339What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw 340What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw 341KernelVersion: 2.6.35 342Contact: linux-iio@vger.kernel.org 343Description: 344 Angular velocity about axis x, y or z (may be arbitrarily 345 assigned). Has all the equivalent parameters as per voltageY. 346 Units after application of scale and offset are radians per 347 second. 348 349What: /sys/bus/iio/devices/iio:deviceX/in_incli_x_raw 350What: /sys/bus/iio/devices/iio:deviceX/in_incli_y_raw 351What: /sys/bus/iio/devices/iio:deviceX/in_incli_z_raw 352KernelVersion: 2.6.35 353Contact: linux-iio@vger.kernel.org 354Description: 355 Inclination raw reading about axis x, y or z (may be 356 arbitrarily assigned). Data converted by application of offset 357 and scale to degrees. 358 359What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_raw 360What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_raw 361What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_raw 362KernelVersion: 2.6.35 363Contact: linux-iio@vger.kernel.org 364Description: 365 Magnetic field along axis x, y or z (may be arbitrarily 366 assigned). Data converted by application of offset 367 then scale to Gauss. 368 369What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_peak_raw 370What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_peak_raw 371What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_peak_raw 372What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_peak_raw 373What: /sys/bus/iio/devices/iio:deviceX/in_temp_peak_raw 374KernelVersion: 2.6.36 375Contact: linux-iio@vger.kernel.org 376Description: 377 Highest value since some reset condition. These 378 attributes allow access to this and are otherwise 379 the direct equivalent of the <type>Y[_name]_raw attributes. 380 381What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_trough_raw 382What: /sys/bus/iio/devices/iio:deviceX/in_temp_trough_raw 383KernelVersion: 6.7 384Contact: linux-iio@vger.kernel.org 385Description: 386 Lowest value since some reset condition. These 387 attributes allow access to this and are otherwise 388 the direct equivalent of the <type>Y[_name]_raw attributes. 389 390What: /sys/bus/iio/devices/iio:deviceX/in_accel_xyz_squared_peak_raw 391KernelVersion: 2.6.36 392Contact: linux-iio@vger.kernel.org 393Description: 394 A computed peak value based on the sum squared magnitude of 395 the underlying value in the specified directions. 396 397What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_raw 398What: /sys/bus/iio/devices/iio:deviceX/in_pressure_raw 399KernelVersion: 3.8 400Contact: linux-iio@vger.kernel.org 401Description: 402 Raw pressure measurement from channel Y. Units after 403 application of scale and offset are kilopascal. 404 405What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_input 406What: /sys/bus/iio/devices/iio:deviceX/in_pressure_input 407KernelVersion: 3.8 408Contact: linux-iio@vger.kernel.org 409Description: 410 Scaled pressure measurement from channel Y, in kilopascal. 411 412What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_raw 413KernelVersion: 3.14 414Contact: linux-iio@vger.kernel.org 415Description: 416 Raw humidity measurement of air. Units after application of 417 scale and offset are milli percent. 418 419What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_input 420KernelVersion: 3.14 421Contact: linux-iio@vger.kernel.org 422Description: 423 Scaled humidity measurement in milli percent. 424 425What: /sys/bus/iio/devices/iio:deviceX/in_Y_mean_raw 426KernelVersion: 3.5 427Contact: linux-iio@vger.kernel.org 428Description: 429 Averaged raw measurement from channel Y. The number of values 430 used for averaging is device specific. The converting rules for 431 normal raw values also applies to the averaged raw values. 432 433What: /sys/bus/iio/devices/iio:deviceX/in_accel_offset 434What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_offset 435What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_offset 436What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_offset 437What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage_q_offset 438What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage_i_offset 439What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_offset 440What: /sys/bus/iio/devices/iio:deviceX/in_voltage_offset 441What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_i_offset 442What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_offset 443What: /sys/bus/iio/devices/iio:deviceX/in_currentY_offset 444What: /sys/bus/iio/devices/iio:deviceX/in_current_offset 445What: /sys/bus/iio/devices/iio:deviceX/in_tempY_offset 446What: /sys/bus/iio/devices/iio:deviceX/in_temp_offset 447What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_offset 448What: /sys/bus/iio/devices/iio:deviceX/in_pressure_offset 449What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_offset 450What: /sys/bus/iio/devices/iio:deviceX/in_magn_offset 451What: /sys/bus/iio/devices/iio:deviceX/in_rot_offset 452What: /sys/bus/iio/devices/iio:deviceX/in_angl_offset 453What: /sys/bus/iio/devices/iio:deviceX/in_capacitanceY_offset 454KernelVersion: 2.6.35 455Contact: linux-iio@vger.kernel.org 456Description: 457 If known for a device, offset to be added to <type>[Y]_raw prior 458 to scaling by <type>[Y]_scale in order to obtain value in the 459 <type> units as specified in <type>[Y]_raw documentation. 460 Not present if the offset is always 0 or unknown. If Y or 461 axis <x|y|z> is not present, then the offset applies to all 462 in channels of <type>. 463 May be writable if a variable offset can be applied on the 464 device. Note that this is different to calibbias which 465 is for devices (or drivers) that apply offsets to compensate 466 for variation between different instances of the part, typically 467 adjusted by using some hardware supported calibration procedure. 468 Calibbias is applied internally, offset is applied in userspace 469 to the _raw output. 470 471What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_scale 472What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_q_scale 473What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_scale 474What: /sys/bus/iio/devices/iio:deviceX/in_voltage_scale 475What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_scale 476What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_scale 477What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_scale 478What: /sys/bus/iio/devices/iio:deviceX/in_currentY_scale 479What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_scale 480What: /sys/bus/iio/devices/iio:deviceX/in_current_scale 481What: /sys/bus/iio/devices/iio:deviceX/in_current_q_scale 482What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale 483What: /sys/bus/iio/devices/iio:deviceX/in_accel_peak_scale 484What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_scale 485What: /sys/bus/iio/devices/iio:deviceX/in_energy_scale 486What: /sys/bus/iio/devices/iio:deviceX/in_distance_scale 487What: /sys/bus/iio/devices/iio:deviceX/in_magn_scale 488What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_scale 489What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_scale 490What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_scale 491What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_scale 492What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_scale 493What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_scale 494What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_scale 495What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_scale 496What: /sys/bus/iio/devices/iio:deviceX/in_pressure_scale 497What: /sys/bus/iio/devices/iio:deviceX/in_humidityrelative_scale 498What: /sys/bus/iio/devices/iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_scale 499What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_scale 500What: /sys/bus/iio/devices/iio:deviceX/in_countY_scale 501What: /sys/bus/iio/devices/iio:deviceX/in_deltaangl_scale 502What: /sys/bus/iio/devices/iio:deviceX/in_deltavelocity_scale 503What: /sys/bus/iio/devices/iio:deviceX/in_angl_scale 504What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_scale 505What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_scale 506What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_scale 507What: /sys/bus/iio/devices/iio:deviceX/in_intensity_red_scale 508What: /sys/bus/iio/devices/iio:deviceX/in_intensity_green_scale 509What: /sys/bus/iio/devices/iio:deviceX/in_intensity_blue_scale 510What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_scale 511What: /sys/bus/iio/devices/iio:deviceX/in_volumeflow_scale 512What: /sys/bus/iio/devices/iio:deviceX/in_volumeflowY_scale 513KernelVersion: 2.6.35 514Contact: linux-iio@vger.kernel.org 515Description: 516 If known for a device, scale to be applied to <type>Y[_name]_raw 517 post addition of <type>[Y][_name]_offset in order to obtain the 518 measured value in <type> units as specified in 519 <type>[Y][_name]_raw documentation. If shared across all in 520 channels then Y and <x|y|z> are not present and the value is 521 called <type>[Y][_name]_scale. The peak modifier means this 522 value is applied to <type>Y[_name]_peak_raw values. 523 524What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibbias 525What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibbias 526What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibbias 527What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_i_calibbias 528What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_q_calibbias 529What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibbias 530What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibbias 531What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibbias 532What: /sys/bus/iio/devices/iio:deviceX/in_capacitance_calibbias 533What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_calibbias 534What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibbias 535What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_calibbias 536What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_calibbias 537What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_calibbias 538What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_calibbias 539What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibbias 540What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibbias 541What: /sys/bus/iio/devices/iio:deviceX/in_proximity_calibbias 542What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibbias 543What: /sys/bus/iio/devices/iio:deviceX/in_resistance_calibbias 544What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibbias 545What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibbias 546What: /sys/bus/iio/devices/iio:deviceX/out_currentY_calibbias 547What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_calibbias 548KernelVersion: 2.6.35 549Contact: linux-iio@vger.kernel.org 550Description: 551 Hardware applied calibration offset (assumed to fix production 552 inaccuracies). 553 icm42600: For this device values are real physical offsets 554 expressed in SI units (m/s^2 for accelerometers and rad/s 555 for gyroscope)/ 556 557What: /sys/bus/iio/devices/iio:deviceX/in_accel_calibbias_available 558What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_calibbias_available 559What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibbias_available 560What: /sys/bus/iio/devices/iio:deviceX/in_proximity_calibbias_available 561What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibbias_available 562What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_calibbias_available 563KernelVersion: 5.8 564Contact: linux-iio@vger.kernel.org 565Description: 566 Available values of calibbias. Maybe expressed as either of: 567 568 - a small discrete set of values like "0 2 4 6 8" 569 - a range specified as "[min step max]" 570 571What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay 572KernelVersion: 6.17 573Contact: linux-iio@vger.kernel.org 574Description: 575 Delay of start of conversion from common reference point shared 576 by all channels. Can be writable when used to compensate for 577 delay variation introduced by external filters feeding a 578 simultaneous sampling ADC. 579 580 E.g., for the ad7606 ADC series, this value is intended as a 581 configurable time delay in seconds, to correct delay introduced 582 by an optional external filtering circuit. 583 584What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_convdelay_available 585KernelVersion: 6.16 586Contact: linux-iio@vger.kernel.org 587Description: 588 Available values of convdelay. Maybe expressed as: 589 590 - a range specified as "[min step max]" 591 592 If shared across all channels, <type>_convdelay_available 593 is used. 594 595What: /sys/bus/iio/devices/iio:deviceX/in_accel_x_calibscale 596What: /sys/bus/iio/devices/iio:deviceX/in_accel_y_calibscale 597What: /sys/bus/iio/devices/iio:deviceX/in_accel_z_calibscale 598What: /sys/bus/iio/devices/iio:deviceX/in_altvoltage_calibscale 599What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_calibscale 600What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_calibscale 601What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_calibscale 602What: /sys/bus/iio/devices/iio:deviceX/in_capacitance_calibscale 603What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_calibscale 604What: /sys/bus/iio/devices/iio:deviceX/in_illuminance0_calibscale 605What: /sys/bus/iio/devices/iio:deviceX/in_intensity_both_calibscale 606What: /sys/bus/iio/devices/iio:deviceX/in_intensity_calibscale 607What: /sys/bus/iio/devices/iio:deviceX/in_intensity_ir_calibscale 608What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_calibscale 609What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_calibscale 610What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_calibscale 611What: /sys/bus/iio/devices/iio:deviceX/in_pressure_calibscale 612What: /sys/bus/iio/devices/iio:deviceX/in_pressureY_calibscale 613What: /sys/bus/iio/devices/iio:deviceX/in_proximity0_calibscale 614What: /sys/bus/iio/devices/iio:deviceX/in_voltage_calibscale 615What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale 616What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_supply_calibscale 617What: /sys/bus/iio/devices/iio:deviceX/out_currentY_calibscale 618What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_calibscale 619KernelVersion: 2.6.35 620Contact: linux-iio@vger.kernel.org 621Description: 622 Hardware applied calibration scale factor (assumed to fix 623 production inaccuracies). If shared across all channels, 624 <type>_calibscale is used. 625 626What: /sys/bus/iio/devices/iio:deviceX/in_illuminanceY_calibscale_available 627What: /sys/bus/iio/devices/iio:deviceX/in_intensityY_calibscale_available 628What: /sys/bus/iio/devices/iio:deviceX/in_proximityY_calibscale_available 629What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_calibscale_available 630KernelVersion: 4.8 631Contact: linux-iio@vger.kernel.org 632Description: 633 Available values of calibscale. Maybe expressed as either of: 634 635 - a small discrete set of values like "1 8 16" 636 - a range specified as "[min step max]" 637 638 If shared across all channels, <type>_calibscale_available is used. 639 640What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender 641What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender 642What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender 643What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender 644KernelVersion: 4.0 645Contact: linux-iio@vger.kernel.org 646Description: 647 Gender of the user (e.g.: male, female) used by some pedometers 648 to compute the stride length, distance, speed and activity 649 type. 650 651What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibgender_available 652What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibgender_available 653What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibgender_available 654What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibgender_available 655KernelVersion: 4.0 656Contact: linux-iio@vger.kernel.org 657Description: 658 Lists all available gender values (e.g.: male, female). 659 660What: /sys/bus/iio/devices/iio:deviceX/in_activity_calibheight 661What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibheight 662What: /sys/bus/iio/devices/iio:deviceX/in_distance_calibheight 663What: /sys/bus/iio/devices/iio:deviceX/in_velocity_calibheight 664KernelVersion: 3.19 665Contact: linux-iio@vger.kernel.org 666Description: 667 Height of the user (in meters) used by some pedometers 668 to compute the stride length, distance, speed and activity 669 type. 670 671What: /sys/bus/iio/devices/iio:deviceX/in_energy_calibweight 672KernelVersion: 4.0 673Contact: linux-iio@vger.kernel.org 674Description: 675 Weight of the user (in kg). It is needed by some pedometers 676 to compute the calories burnt by the user. 677 678What: /sys/bus/iio/devices/iio:deviceX/in_accel_scale_available 679What: /sys/.../iio:deviceX/in_anglvel_scale_available 680What: /sys/.../iio:deviceX/in_magn_scale_available 681What: /sys/.../iio:deviceX/in_illuminance_scale_available 682What: /sys/.../iio:deviceX/in_intensity_scale_available 683What: /sys/.../iio:deviceX/in_proximity_scale_available 684What: /sys/.../iio:deviceX/in_voltageY_scale_available 685What: /sys/.../iio:deviceX/in_voltage-voltage_scale_available 686What: /sys/.../iio:deviceX/out_voltageY_scale_available 687What: /sys/.../iio:deviceX/out_altvoltageY_scale_available 688What: /sys/.../iio:deviceX/in_capacitance_scale_available 689What: /sys/.../iio:deviceX/in_pressure_scale_available 690What: /sys/.../iio:deviceX/in_pressureY_scale_available 691KernelVersion: 2.6.35 692Contact: linux-iio@vger.kernel.org 693Description: 694 If a discrete set of scale values is available, they 695 are listed in this attribute. Unlike illumination, 696 multiplying intensity by intensity_scale does not 697 yield value with any standardized unit. 698 699What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_hardwaregain 700What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain 701What: /sys/bus/iio/devices/iio:deviceX/in_intensity_red_hardwaregain 702What: /sys/bus/iio/devices/iio:deviceX/in_intensity_green_hardwaregain 703What: /sys/bus/iio/devices/iio:deviceX/in_intensity_blue_hardwaregain 704What: /sys/bus/iio/devices/iio:deviceX/in_intensity_clear_hardwaregain 705What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_hardwaregain 706KernelVersion: 2.6.35 707Contact: linux-iio@vger.kernel.org 708Description: 709 Hardware applied gain factor. If shared across all channels, 710 <type>_hardwaregain is used. 711 712What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hardwaregain_available 713KernelVersion: 5.10 714Contact: linux-iio@vger.kernel.org 715Description: 716 Lists all available hardware applied gain factors. Shared across all 717 channels. 718 719What: /sys/.../in_accel_filter_low_pass_3db_frequency 720What: /sys/.../in_magn_filter_low_pass_3db_frequency 721What: /sys/.../in_anglvel_filter_low_pass_3db_frequency 722KernelVersion: 3.2 723Contact: linux-iio@vger.kernel.org 724Description: 725 If a known or controllable low pass filter is applied 726 to the underlying data channel, then this parameter 727 gives the 3dB frequency of the filter in Hz. 728 729What: /sys/.../in_accel_filter_high_pass_3db_frequency 730What: /sys/.../in_anglvel_filter_high_pass_3db_frequency 731What: /sys/.../in_magn_filter_high_pass_3db_frequency 732KernelVersion: 4.2 733Contact: linux-iio@vger.kernel.org 734Description: 735 If a known or controllable high pass filter is applied 736 to the underlying data channel, then this parameter 737 gives the 3dB frequency of the filter in Hz. 738 739What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_raw 740What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_raw 741KernelVersion: 2.6.37 742Contact: linux-iio@vger.kernel.org 743Description: 744 Raw (unscaled, no bias etc.) output voltage for 745 channel Y. The number must always be specified and 746 unique if the output corresponds to a single channel. 747 While DAC like devices typically use out_voltage, 748 a continuous frequency generating device, such as 749 a DDS or PLL should use out_altvoltage. 750 751What: /sys/bus/iio/devices/iio:deviceX/out_voltageY&Z_raw 752What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY&Z_raw 753KernelVersion: 2.6.37 754Contact: linux-iio@vger.kernel.org 755Description: 756 Raw (unscaled, no bias etc.) output voltage for an aggregate of 757 channel Y, channel Z, etc. This interface is available in cases 758 where a single output sets the value for multiple channels 759 simultaneously. 760 761What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown_mode 762What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown_mode 763What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown_mode 764What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown_mode 765KernelVersion: 2.6.38 766Contact: linux-iio@vger.kernel.org 767Description: 768 Specifies the output powerdown mode. 769 DAC output stage is disconnected from the amplifier and 770 500ohm_to_gnd: connected to ground via a 500Ohm resistor, 771 1kohm_to_gnd: connected to ground via an 1kOhm resistor, 772 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor, 773 3.85kohm_to_gnd: connected to ground via a 3.85kOhm resistor, 774 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 775 7.7kohm_to_gnd: connected to ground via a 7.7kOhm resistor, 776 10kohm_to_gnd: connected to ground via a 10kOhm resistor, 777 16kohm_to_gnd: connected to ground via a 16kOhm resistor, 778 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 779 32kohm_to_gnd: connected to ground via a 32kOhm resistor, 780 42kohm_to_gnd: connected to ground via a 42kOhm resistor, 781 90kohm_to_gnd: connected to ground via a 90kOhm resistor, 782 100kohm_to_gnd: connected to ground via an 100kOhm resistor, 783 125kohm_to_gnd: connected to ground via an 125kOhm resistor, 784 500kohm_to_gnd: connected to ground via a 500kOhm resistor, 785 640kohm_to_gnd: connected to ground via a 640kOhm resistor, 786 three_state: left floating. 787 For a list of available output power down options read 788 outX_powerdown_mode_available. If Y is not present the 789 mode is shared across all outputs. 790 791What: /sys/.../iio:deviceX/out_voltageY_powerdown_mode_available 792What: /sys/.../iio:deviceX/out_voltage_powerdown_mode_available 793What: /sys/.../iio:deviceX/out_altvoltageY_powerdown_mode_available 794What: /sys/.../iio:deviceX/out_altvoltage_powerdown_mode_available 795KernelVersion: 2.6.38 796Contact: linux-iio@vger.kernel.org 797Description: 798 Lists all available output power down modes. 799 If Y is not present the mode is shared across all outputs. 800 801What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_powerdown 802What: /sys/bus/iio/devices/iio:deviceX/out_voltage_powerdown 803What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown 804What: /sys/bus/iio/devices/iio:deviceX/out_altvoltage_powerdown 805KernelVersion: 2.6.38 806Contact: linux-iio@vger.kernel.org 807Description: 808 Writing 1 causes output Y to enter the power down mode specified 809 by the corresponding outY_powerdown_mode. DAC output stage is 810 disconnected from the amplifier. Clearing returns to normal 811 operation. Y may be suppressed if all outputs are controlled 812 together. 813 814What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency 815KernelVersion: 3.4.0 816Contact: linux-iio@vger.kernel.org 817Description: 818 Output frequency for channel Y in Hz. The number must always be 819 specified and unique if the output corresponds to a single 820 channel. 821 Some drivers have additional constraints: 822 ADF4371 has an integrated VCO with fundamendal output 823 frequency ranging from 4000000000 Hz 8000000000 Hz. 824 825 out_altvoltage0_frequency: 826 A divide by 1, 2, 4, 8, 16, 32 or circuit generates 827 frequencies from 62500000 Hz to 8000000000 Hz. 828 out_altvoltage1_frequency: 829 This channel duplicates the channel 0 frequency 830 out_altvoltage2_frequency: 831 A frequency doubler generates frequencies from 832 8000000000 Hz to 16000000000 Hz. 833 out_altvoltage3_frequency: 834 A frequency quadrupler generates frequencies from 835 16000000000 Hz to 32000000000 Hz. 836 837 Note: writes to one of the channels will affect the frequency of 838 all the other channels, since it involves changing the VCO 839 fundamental output frequency. 840 841What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_i_phase 842What: /sys/bus/iio/devices/iio:deviceX/in_altvoltageY_q_phase 843What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_phase 844What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_i_phase 845What: /sys/bus/iio/devices/iio:deviceX/out_altvoltageY_q_phase 846KernelVersion: 3.4.0 847Contact: linux-iio@vger.kernel.org 848Description: 849 Phase in radians of one frequency/clock output Y 850 (out_altvoltageY) relative to another frequency/clock output 851 (out_altvoltageZ) of the device X. The number must always be 852 specified and unique if the output corresponds to a single 853 channel. 854 855What: /sys/bus/iio/devices/iio:deviceX/out_currentY_raw 856Date: May 2012 857KernelVersion: 3.5 858Contact: Johan Hovold <jhovold@gmail.com> 859Description: 860 Set/get output current for channel Y. Units after application 861 of scale and offset are milliamps. 862 For some devices current channels are used to specify 863 current supplied to elements used in taking a measurement 864 of a different type. E.g. LED currents. 865 866What: /sys/bus/iio/devices/iio:deviceX/events 867KernelVersion: 2.6.35 868Contact: linux-iio@vger.kernel.org 869Description: 870 Configuration of which hardware generated events are passed up 871 to user-space. 872 873What: /sys/.../iio:deviceX/events/in_accel_x_thresh_rising_en 874What: /sys/.../iio:deviceX/events/in_accel_x_thresh_falling_en 875What: /sys/.../iio:deviceX/events/in_accel_y_thresh_rising_en 876What: /sys/.../iio:deviceX/events/in_accel_y_thresh_falling_en 877What: /sys/.../iio:deviceX/events/in_accel_z_thresh_rising_en 878What: /sys/.../iio:deviceX/events/in_accel_z_thresh_falling_en 879What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_rising_en 880What: /sys/.../iio:deviceX/events/in_anglvel_x_thresh_falling_en 881What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_rising_en 882What: /sys/.../iio:deviceX/events/in_anglvel_y_thresh_falling_en 883What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_rising_en 884What: /sys/.../iio:deviceX/events/in_anglvel_z_thresh_falling_en 885What: /sys/.../iio:deviceX/events/in_magn_x_thresh_rising_en 886What: /sys/.../iio:deviceX/events/in_magn_x_thresh_falling_en 887What: /sys/.../iio:deviceX/events/in_magn_y_thresh_rising_en 888What: /sys/.../iio:deviceX/events/in_magn_y_thresh_falling_en 889What: /sys/.../iio:deviceX/events/in_magn_z_thresh_rising_en 890What: /sys/.../iio:deviceX/events/in_magn_z_thresh_falling_en 891What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_rising_en 892What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_thresh_falling_en 893What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_rising_en 894What: /sys/.../iio:deviceX/events/in_rot_from_north_true_thresh_falling_en 895What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_en 896What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_en 897What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_rising_en 898What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_thresh_falling_en 899What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_rising_en 900What: /sys/.../iio:deviceX/events/in_voltageY_supply_thresh_falling_en 901What: /sys/.../iio:deviceX/events/in_voltageY_thresh_rising_en 902What: /sys/.../iio:deviceX/events/in_voltageY_thresh_falling_en 903What: /sys/.../iio:deviceX/events/in_voltageY_thresh_either_en 904What: /sys/.../iio:deviceX/events/in_tempY_thresh_rising_en 905What: /sys/.../iio:deviceX/events/in_tempY_thresh_falling_en 906What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_rising_en 907What: /sys/.../iio:deviceX/events/in_capacitanceY_thresh_falling_en 908What: /sys/.../iio:deviceX/events/in_pressure_thresh_rising_en 909KernelVersion: 2.6.37 910Contact: linux-iio@vger.kernel.org 911Description: 912 Event generated when channel passes a threshold in the specified 913 (_rising|_falling) direction. If the direction is not specified, 914 then either the device will report an event which ever direction 915 a single threshold value is passed in (e.g. 916 <type>[Y][_name]_<raw|input>_thresh_value) or 917 <type>[Y][_name]_<raw|input>_thresh_rising_value and 918 <type>[Y][_name]_<raw|input>_thresh_falling_value may take 919 different values, but the device can only enable both thresholds 920 or neither. 921 922 Note the driver will assume the last p events requested are 923 to be enabled where p is how many it supports (which may vary 924 depending on the exact set requested). So if you want to be 925 sure you have set what you think you have, check the contents of 926 these attributes after everything is configured. Drivers may 927 have to buffer any parameters so that they are consistent when 928 a given event type is enabled at a future point (and not those for 929 whatever event was previously enabled). 930 931What: /sys/.../iio:deviceX/events/in_accel_x_roc_rising_en 932What: /sys/.../iio:deviceX/events/in_accel_x_roc_falling_en 933What: /sys/.../iio:deviceX/events/in_accel_y_roc_rising_en 934What: /sys/.../iio:deviceX/events/in_accel_y_roc_falling_en 935What: /sys/.../iio:deviceX/events/in_accel_z_roc_rising_en 936What: /sys/.../iio:deviceX/events/in_accel_z_roc_falling_en 937What: /sys/.../iio:deviceX/events/in_accel_x&y&z_roc_rising_en 938What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_rising_en 939What: /sys/.../iio:deviceX/events/in_anglvel_x_roc_falling_en 940What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_rising_en 941What: /sys/.../iio:deviceX/events/in_anglvel_y_roc_falling_en 942What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_rising_en 943What: /sys/.../iio:deviceX/events/in_anglvel_z_roc_falling_en 944What: /sys/.../iio:deviceX/events/in_magn_x_roc_rising_en 945What: /sys/.../iio:deviceX/events/in_magn_x_roc_falling_en 946What: /sys/.../iio:deviceX/events/in_magn_y_roc_rising_en 947What: /sys/.../iio:deviceX/events/in_magn_y_roc_falling_en 948What: /sys/.../iio:deviceX/events/in_magn_z_roc_rising_en 949What: /sys/.../iio:deviceX/events/in_magn_z_roc_falling_en 950What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_rising_en 951What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_roc_falling_en 952What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_rising_en 953What: /sys/.../iio:deviceX/events/in_rot_from_north_true_roc_falling_en 954What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_rising_en 955What: /sys/.../iio:deviceX/events/in_rot_from_north_magnetic_tilt_comp_roc_falling_en 956What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_rising_en 957What: /sys/.../iio:deviceX/events/in_rot_from_north_true_tilt_comp_roc_falling_en 958What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_rising_en 959What: /sys/.../iio:deviceX/events/in_voltageY_supply_roc_falling_en 960What: /sys/.../iio:deviceX/events/in_voltageY_roc_rising_en 961What: /sys/.../iio:deviceX/events/in_voltageY_roc_falling_en 962What: /sys/.../iio:deviceX/events/in_tempY_roc_rising_en 963What: /sys/.../iio:deviceX/events/in_tempY_roc_falling_en 964KernelVersion: 2.6.37 965Contact: linux-iio@vger.kernel.org 966Description: 967 Event generated when channel passes a threshold on the rate of 968 change (1st differential) in the specified (_rising|_falling) 969 direction. If the direction is not specified, then either the 970 device will report an event which ever direction a single 971 threshold value is passed in (e.g. 972 <type>[Y][_name]_<raw|input>_roc_value) or 973 <type>[Y][_name]_<raw|input>_roc_rising_value and 974 <type>[Y][_name]_<raw|input>_roc_falling_value may take 975 different values, but the device can only enable both rate of 976 change thresholds or neither. 977 978 Note the driver will assume the last p events requested are 979 to be enabled where p is however many it supports (which may 980 vary depending on the exact set requested). So if you want to be 981 sure you have set what you think you have, check the contents of 982 these attributes after everything is configured. Drivers may 983 have to buffer any parameters so that they are consistent when 984 a given event type is enabled a future point (and not those for 985 whatever event was previously enabled). 986 987What: /sys/.../events/in_capacitanceY_adaptive_thresh_rising_en 988What: /sys/.../events/in_capacitanceY_adaptive_thresh_falling_en 989KernelVersion: 5.13 990Contact: linux-iio@vger.kernel.org 991Description: 992 Adaptive thresholds are similar to normal fixed thresholds 993 but the value is expressed as an offset from a value which 994 provides a low frequency approximation of the channel itself. 995 Thus these detect if a rapid change occurs in the specified 996 direction which crosses tracking value + offset. 997 Tracking value calculation is devices specific. 998 999What: /sys/.../in_capacitanceY_adaptive_thresh_rising_timeout 1000What: /sys/.../in_capacitanceY_adaptive_thresh_falling_timeout 1001KernelVersion: 5.11 1002Contact: linux-iio@vger.kernel.org 1003Description: 1004 When adaptive thresholds are used, the tracking signal 1005 may adjust too slowly to step changes in the raw signal. 1006 Thus these specify the time in seconds for which the 1007 difference between the slow tracking signal and the raw 1008 signal is allowed to remain out-of-range before a reset 1009 event occurs in which the tracking signal is made equal 1010 to the raw signal, allowing slow tracking to resume and the 1011 adaptive threshold event detection to function as expected. 1012 1013What: /sys/.../events/in_accel_mag_adaptive_rising_value 1014What: /sys/.../events/in_accel_thresh_rising_value 1015What: /sys/.../events/in_accel_thresh_falling_value 1016What: /sys/.../events/in_accel_x_raw_thresh_rising_value 1017What: /sys/.../events/in_accel_x_raw_thresh_falling_value 1018What: /sys/.../events/in_accel_y_raw_thresh_rising_value 1019What: /sys/.../events/in_accel_y_raw_thresh_falling_value 1020What: /sys/.../events/in_accel_z_raw_thresh_rising_value 1021What: /sys/.../events/in_accel_z_raw_thresh_falling_value 1022What: /sys/.../events/in_anglvel_x_raw_thresh_rising_value 1023What: /sys/.../events/in_anglvel_x_raw_thresh_falling_value 1024What: /sys/.../events/in_anglvel_y_raw_thresh_rising_value 1025What: /sys/.../events/in_anglvel_y_raw_thresh_falling_value 1026What: /sys/.../events/in_anglvel_z_raw_thresh_rising_value 1027What: /sys/.../events/in_anglvel_z_raw_thresh_falling_value 1028What: /sys/.../events/in_magn_x_raw_thresh_rising_value 1029What: /sys/.../events/in_magn_x_raw_thresh_falling_value 1030What: /sys/.../events/in_magn_y_raw_thresh_rising_value 1031What: /sys/.../events/in_magn_y_raw_thresh_falling_value 1032What: /sys/.../events/in_magn_z_raw_thresh_rising_value 1033What: /sys/.../events/in_magn_z_raw_thresh_falling_value 1034What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_rising_value 1035What: /sys/.../events/in_rot_from_north_magnetic_raw_thresh_falling_value 1036What: /sys/.../events/in_rot_from_north_true_raw_thresh_rising_value 1037What: /sys/.../events/in_rot_from_north_true_raw_thresh_falling_value 1038What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_rising_value 1039What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_thresh_falling_value 1040What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_rising_value 1041What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_thresh_falling_value 1042What: /sys/.../events/in_voltageY_supply_raw_thresh_rising_value 1043What: /sys/.../events/in_voltageY_supply_raw_thresh_falling_value 1044What: /sys/.../events/in_voltageY_raw_thresh_rising_value 1045What: /sys/.../events/in_voltageY_raw_thresh_falling_value 1046What: /sys/.../events/in_tempY_raw_thresh_rising_value 1047What: /sys/.../events/in_tempY_raw_thresh_falling_value 1048What: /sys/.../events/in_illuminance0_thresh_falling_value 1049What: /sys/.../events/in_illuminance0_thresh_rising_value 1050What: /sys/.../events/in_proximity0_thresh_falling_value 1051What: /sys/.../events/in_proximity0_thresh_rising_value 1052What: /sys/.../events/in_illuminance_thresh_rising_value 1053What: /sys/.../events/in_illuminance_thresh_falling_value 1054What: /sys/.../events/in_capacitanceY_thresh_rising_value 1055What: /sys/.../events/in_capacitanceY_thresh_falling_value 1056What: /sys/.../events/in_capacitanceY_thresh_adaptive_rising_value 1057What: /sys/.../events/in_capacitanceY_thresh_falling_rising_value 1058What: /sys/.../events/in_pressure_thresh_rising_value 1059KernelVersion: 2.6.37 1060Contact: linux-iio@vger.kernel.org 1061Description: 1062 Specifies the value of threshold that the device is comparing 1063 against for the events enabled by 1064 <type>Y[_name]_thresh[_rising|falling]_en. 1065 1066 If separate attributes exist for the two directions, but 1067 direction is not specified for this attribute, then a single 1068 threshold value applies to both directions. 1069 1070 The raw or input element of the name indicates whether the 1071 value is in raw device units or in processed units (as _raw 1072 and _input do on sysfs direct channel read attributes). 1073 1074What: /sys/.../events/in_accel_scale 1075What: /sys/.../events/in_accel_peak_scale 1076What: /sys/.../events/in_anglvel_scale 1077What: /sys/.../events/in_magn_scale 1078What: /sys/.../events/in_rot_from_north_magnetic_scale 1079What: /sys/.../events/in_rot_from_north_true_scale 1080What: /sys/.../events/in_voltage_scale 1081What: /sys/.../events/in_voltage_supply_scale 1082What: /sys/.../events/in_temp_scale 1083What: /sys/.../events/in_illuminance_scale 1084What: /sys/.../events/in_proximity_scale 1085KernelVersion: 3.21 1086Contact: linux-iio@vger.kernel.org 1087Description: 1088 Specifies the conversion factor from the standard units 1089 to device specific units used to set the event trigger 1090 threshold. 1091 1092What: /sys/.../events/in_accel_x_thresh_rising_hysteresis 1093What: /sys/.../events/in_accel_x_thresh_falling_hysteresis 1094What: /sys/.../events/in_accel_x_thresh_either_hysteresis 1095What: /sys/.../events/in_accel_y_thresh_rising_hysteresis 1096What: /sys/.../events/in_accel_y_thresh_falling_hysteresis 1097What: /sys/.../events/in_accel_y_thresh_either_hysteresis 1098What: /sys/.../events/in_accel_z_thresh_rising_hysteresis 1099What: /sys/.../events/in_accel_z_thresh_falling_hysteresis 1100What: /sys/.../events/in_accel_z_thresh_either_hysteresis 1101What: /sys/.../events/in_anglvel_x_thresh_rising_hysteresis 1102What: /sys/.../events/in_anglvel_x_thresh_falling_hysteresis 1103What: /sys/.../events/in_anglvel_x_thresh_either_hysteresis 1104What: /sys/.../events/in_anglvel_y_thresh_rising_hysteresis 1105What: /sys/.../events/in_anglvel_y_thresh_falling_hysteresis 1106What: /sys/.../events/in_anglvel_y_thresh_either_hysteresis 1107What: /sys/.../events/in_anglvel_z_thresh_rising_hysteresis 1108What: /sys/.../events/in_anglvel_z_thresh_falling_hysteresis 1109What: /sys/.../events/in_anglvel_z_thresh_either_hysteresis 1110What: /sys/.../events/in_magn_x_thresh_rising_hysteresis 1111What: /sys/.../events/in_magn_x_thresh_falling_hysteresis 1112What: /sys/.../events/in_magn_x_thresh_either_hysteresis 1113What: /sys/.../events/in_magn_y_thresh_rising_hysteresis 1114What: /sys/.../events/in_magn_y_thresh_falling_hysteresis 1115What: /sys/.../events/in_magn_y_thresh_either_hysteresis 1116What: /sys/.../events/in_magn_z_thresh_rising_hysteresis 1117What: /sys/.../events/in_magn_z_thresh_falling_hysteresis 1118What: /sys/.../events/in_magn_z_thresh_either_hysteresis 1119What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_hysteresis 1120What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_hysteresis 1121What: /sys/.../events/in_rot_from_north_magnetic_thresh_either_hysteresis 1122What: /sys/.../events/in_rot_from_north_true_thresh_rising_hysteresis 1123What: /sys/.../events/in_rot_from_north_true_thresh_falling_hysteresis 1124What: /sys/.../events/in_rot_from_north_true_thresh_either_hysteresis 1125What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_hysteresis 1126What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_hysteresis 1127What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_either_hysteresis 1128What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_hysteresis 1129What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_hysteresis 1130What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_either_hysteresis 1131What: /sys/.../events/in_voltageY_thresh_rising_hysteresis 1132What: /sys/.../events/in_voltageY_thresh_falling_hysteresis 1133What: /sys/.../events/in_voltageY_thresh_either_hysteresis 1134What: /sys/.../events/in_tempY_thresh_rising_hysteresis 1135What: /sys/.../events/in_tempY_thresh_falling_hysteresis 1136What: /sys/.../events/in_tempY_thresh_either_hysteresis 1137What: /sys/.../events/in_illuminance0_thresh_falling_hysteresis 1138What: /sys/.../events/in_illuminance0_thresh_rising_hysteresis 1139What: /sys/.../events/in_illuminance0_thresh_either_hysteresis 1140What: /sys/.../events/in_proximity0_thresh_falling_hysteresis 1141What: /sys/.../events/in_proximity0_thresh_rising_hysteresis 1142What: /sys/.../events/in_proximity0_thresh_either_hysteresis 1143KernelVersion: 3.13 1144Contact: linux-iio@vger.kernel.org 1145Description: 1146 Specifies the hysteresis of threshold that the device is comparing 1147 against for the events enabled by 1148 <type>Y[_name]_thresh[_(rising|falling)]_hysteresis. 1149 If separate attributes exist for the two directions, but 1150 direction is not specified for this attribute, then a single 1151 hysteresis value applies to both directions. 1152 1153 For falling events the hysteresis is added to the _value attribute for 1154 this event to get the upper threshold for when the event goes back to 1155 normal, for rising events the hysteresis is subtracted from the _value 1156 attribute. E.g. if in_voltage0_raw_thresh_rising_value is set to 1200 1157 and in_voltage0_raw_thresh_rising_hysteresis is set to 50. The event 1158 will get activated once in_voltage0_raw goes above 1200 and will become 1159 deactivated again once the value falls below 1150. 1160 1161What: /sys/.../events/in_accel_roc_rising_value 1162What: /sys/.../events/in_accel_x_raw_roc_rising_value 1163What: /sys/.../events/in_accel_x_raw_roc_falling_value 1164What: /sys/.../events/in_accel_y_raw_roc_rising_value 1165What: /sys/.../events/in_accel_y_raw_roc_falling_value 1166What: /sys/.../events/in_accel_z_raw_roc_rising_value 1167What: /sys/.../events/in_accel_z_raw_roc_falling_value 1168What: /sys/.../events/in_anglvel_x_raw_roc_rising_value 1169What: /sys/.../events/in_anglvel_x_raw_roc_falling_value 1170What: /sys/.../events/in_anglvel_y_raw_roc_rising_value 1171What: /sys/.../events/in_anglvel_y_raw_roc_falling_value 1172What: /sys/.../events/in_anglvel_z_raw_roc_rising_value 1173What: /sys/.../events/in_anglvel_z_raw_roc_falling_value 1174What: /sys/.../events/in_magn_x_raw_roc_rising_value 1175What: /sys/.../events/in_magn_x_raw_roc_falling_value 1176What: /sys/.../events/in_magn_y_raw_roc_rising_value 1177What: /sys/.../events/in_magn_y_raw_roc_falling_value 1178What: /sys/.../events/in_magn_z_raw_roc_rising_value 1179What: /sys/.../events/in_magn_z_raw_roc_falling_value 1180What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_rising_value 1181What: /sys/.../events/in_rot_from_north_magnetic_raw_roc_falling_value 1182What: /sys/.../events/in_rot_from_north_true_raw_roc_rising_value 1183What: /sys/.../events/in_rot_from_north_true_raw_roc_falling_value 1184What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_rising_value 1185What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_raw_roc_falling_value 1186What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_rising_value 1187What: /sys/.../events/in_rot_from_north_true_tilt_comp_raw_roc_falling_value 1188What: /sys/.../events/in_voltageY_supply_raw_roc_rising_value 1189What: /sys/.../events/in_voltageY_supply_raw_roc_falling_value 1190What: /sys/.../events/in_voltageY_raw_roc_rising_value 1191What: /sys/.../events/in_voltageY_raw_roc_falling_value 1192What: /sys/.../events/in_tempY_raw_roc_rising_value 1193What: /sys/.../events/in_tempY_raw_roc_falling_value 1194KernelVersion: 2.6.37 1195Contact: linux-iio@vger.kernel.org 1196Description: 1197 Specifies the value of rate of change threshold that the 1198 device is comparing against for the events enabled by 1199 <type>[Y][_name]_roc[_rising|falling]_en. 1200 1201 If separate attributes exist for the two directions, 1202 but direction is not specified for this attribute, 1203 then a single threshold value applies to both directions. 1204 The raw or input element of the name indicates whether the 1205 value is in raw device units or in processed units (as _raw 1206 and _input do on sysfs direct channel read attributes). 1207 1208What: /sys/.../events/in_accel_mag_adaptive_rising_period 1209What: /sys/.../events/in_accel_roc_rising_period 1210What: /sys/.../events/in_accel_x_thresh_rising_period 1211What: /sys/.../events/in_accel_x_thresh_falling_period 1212What: /sys/.../events/in_accel_x_roc_rising_period 1213What: /sys/.../events/in_accel_x_roc_falling_period 1214What: /sys/.../events/in_accel_y_thresh_rising_period 1215What: /sys/.../events/in_accel_y_thresh_falling_period 1216What: /sys/.../events/in_accel_y_roc_rising_period 1217What: /sys/.../events/in_accel_y_roc_falling_period 1218What: /sys/.../events/in_accel_z_thresh_rising_period 1219What: /sys/.../events/in_accel_z_thresh_falling_period 1220What: /sys/.../events/in_accel_z_roc_rising_period 1221What: /sys/.../events/in_accel_z_roc_falling_period 1222What: /sys/.../events/in_anglvel_x_thresh_rising_period 1223What: /sys/.../events/in_anglvel_x_thresh_falling_period 1224What: /sys/.../events/in_anglvel_x_roc_rising_period 1225What: /sys/.../events/in_anglvel_x_roc_falling_period 1226What: /sys/.../events/in_anglvel_y_thresh_rising_period 1227What: /sys/.../events/in_anglvel_y_thresh_falling_period 1228What: /sys/.../events/in_anglvel_y_roc_rising_period 1229What: /sys/.../events/in_anglvel_y_roc_falling_period 1230What: /sys/.../events/in_anglvel_z_thresh_rising_period 1231What: /sys/.../events/in_anglvel_z_thresh_falling_period 1232What: /sys/.../events/in_anglvel_z_roc_rising_period 1233What: /sys/.../events/in_anglvel_z_roc_falling_period 1234What: /sys/.../events/in_magn_x_thresh_rising_period 1235What: /sys/.../events/in_magn_x_thresh_falling_period 1236What: /sys/.../events/in_magn_x_roc_rising_period 1237What: /sys/.../events/in_magn_x_roc_falling_period 1238What: /sys/.../events/in_magn_y_thresh_rising_period 1239What: /sys/.../events/in_magn_y_thresh_falling_period 1240What: /sys/.../events/in_magn_y_roc_rising_period 1241What: /sys/.../events/in_magn_y_roc_falling_period 1242What: /sys/.../events/in_magn_z_thresh_rising_period 1243What: /sys/.../events/in_magn_z_thresh_falling_period 1244What: /sys/.../events/in_magn_z_roc_rising_period 1245What: /sys/.../events/in_magn_z_roc_falling_period 1246What: /sys/.../events/in_rot_from_north_magnetic_thresh_rising_period 1247What: /sys/.../events/in_rot_from_north_magnetic_thresh_falling_period 1248What: /sys/.../events/in_rot_from_north_magnetic_roc_rising_period 1249What: /sys/.../events/in_rot_from_north_magnetic_roc_falling_period 1250What: /sys/.../events/in_rot_from_north_true_thresh_rising_period 1251What: /sys/.../events/in_rot_from_north_true_thresh_falling_period 1252What: /sys/.../events/in_rot_from_north_true_roc_rising_period 1253What: /sys/.../events/in_rot_from_north_true_roc_falling_period 1254What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_rising_period 1255What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_thresh_falling_period 1256What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_rising_period 1257What: /sys/.../events/in_rot_from_north_magnetic_tilt_comp_roc_falling_period 1258What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_rising_period 1259What: /sys/.../events/in_rot_from_north_true_tilt_comp_thresh_falling_period 1260What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_rising_period 1261What: /sys/.../events/in_rot_from_north_true_tilt_comp_roc_falling_period 1262What: /sys/.../events/in_voltageY_supply_thresh_rising_period 1263What: /sys/.../events/in_voltageY_supply_thresh_falling_period 1264What: /sys/.../events/in_voltageY_supply_roc_rising_period 1265What: /sys/.../events/in_voltageY_supply_roc_falling_period 1266What: /sys/.../events/in_voltageY_thresh_rising_period 1267What: /sys/.../events/in_voltageY_thresh_falling_period 1268What: /sys/.../events/in_voltageY_roc_rising_period 1269What: /sys/.../events/in_voltageY_roc_falling_period 1270What: /sys/.../events/in_tempY_thresh_rising_period 1271What: /sys/.../events/in_tempY_thresh_falling_period 1272What: /sys/.../events/in_tempY_roc_rising_period 1273What: /sys/.../events/in_tempY_roc_falling_period 1274What: /sys/.../events/in_accel_x&y&z_mag_falling_period 1275What: /sys/.../events/in_intensity0_thresh_period 1276What: /sys/.../events/in_proximity0_thresh_period 1277What: /sys/.../events/in_activity_still_thresh_rising_period 1278What: /sys/.../events/in_activity_still_thresh_falling_period 1279What: /sys/.../events/in_activity_walking_thresh_rising_period 1280What: /sys/.../events/in_activity_walking_thresh_falling_period 1281What: /sys/.../events/in_activity_jogging_thresh_rising_period 1282What: /sys/.../events/in_activity_jogging_thresh_falling_period 1283What: /sys/.../events/in_activity_running_thresh_rising_period 1284What: /sys/.../events/in_activity_running_thresh_falling_period 1285What: /sys/.../events/in_illuminance_thresh_either_period 1286KernelVersion: 2.6.37 1287Contact: linux-iio@vger.kernel.org 1288Description: 1289 Period of time (in seconds) for which the condition must be 1290 met before an event is generated. If direction is not 1291 specified then this period applies to both directions. 1292 1293What: /sys/.../events/in_accel_thresh_rising_low_pass_filter_3db 1294What: /sys/.../events/in_anglvel_thresh_rising_low_pass_filter_3db 1295What: /sys/.../events/in_magn_thresh_rising_low_pass_filter_3db 1296KernelVersion: 4.2 1297Contact: linux-iio@vger.kernel.org 1298Description: 1299 If a low pass filter can be applied to the event generation 1300 this property gives its 3db frequency in Hz. 1301 A value of zero disables the filter. 1302 1303What: /sys/.../events/in_accel_thresh_rising_high_pass_filter_3db 1304What: /sys/.../events/in_anglvel_thresh_rising_high_pass_filter_3db 1305What: /sys/.../events/in_magn_thresh_rising_high_pass_filter_3db 1306KernelVersion: 4.2 1307Contact: linux-iio@vger.kernel.org 1308Description: 1309 If a high pass filter can be applied to the event generation 1310 this property gives its 3db frequency in Hz. 1311 A value of zero disables the filter. 1312 1313What: /sys/.../events/in_activity_still_thresh_rising_en 1314What: /sys/.../events/in_activity_still_thresh_falling_en 1315What: /sys/.../events/in_activity_walking_thresh_rising_en 1316What: /sys/.../events/in_activity_walking_thresh_falling_en 1317What: /sys/.../events/in_activity_jogging_thresh_rising_en 1318What: /sys/.../events/in_activity_jogging_thresh_falling_en 1319What: /sys/.../events/in_activity_running_thresh_rising_en 1320What: /sys/.../events/in_activity_running_thresh_falling_en 1321KernelVersion: 3.19 1322Contact: linux-iio@vger.kernel.org 1323Description: 1324 Enables or disables activity events. Depending on direction 1325 an event is generated when sensor ENTERS or LEAVES a given state. 1326 1327What: /sys/.../events/in_activity_still_thresh_rising_value 1328What: /sys/.../events/in_activity_still_thresh_falling_value 1329What: /sys/.../events/in_activity_walking_thresh_rising_value 1330What: /sys/.../events/in_activity_walking_thresh_falling_value 1331What: /sys/.../events/in_activity_jogging_thresh_rising_value 1332What: /sys/.../events/in_activity_jogging_thresh_falling_value 1333What: /sys/.../events/in_activity_running_thresh_rising_value 1334What: /sys/.../events/in_activity_running_thresh_falling_value 1335KernelVersion: 3.19 1336Contact: linux-iio@vger.kernel.org 1337Description: 1338 Confidence value (in units as percentage) to be used 1339 for deciding when an event should be generated. E.g for 1340 running: If the confidence value reported by the sensor 1341 is greater than in_activity_running_thresh_rising_value 1342 then the sensor ENTERS running state. Conversely, if the 1343 confidence value reported by the sensor is lower than 1344 in_activity_running_thresh_falling_value then the sensor 1345 is LEAVING running state. 1346 1347What: /sys/.../iio:deviceX/events/in_accel_mag_en 1348What: /sys/.../iio:deviceX/events/in_accel_mag_rising_en 1349What: /sys/.../iio:deviceX/events/in_accel_mag_falling_en 1350What: /sys/.../iio:deviceX/events/in_accel_x_mag_en 1351What: /sys/.../iio:deviceX/events/in_accel_x_mag_rising_en 1352What: /sys/.../iio:deviceX/events/in_accel_x_mag_falling_en 1353What: /sys/.../iio:deviceX/events/in_accel_y_mag_en 1354What: /sys/.../iio:deviceX/events/in_accel_y_mag_rising_en 1355What: /sys/.../iio:deviceX/events/in_accel_y_mag_falling_en 1356What: /sys/.../iio:deviceX/events/in_accel_z_mag_en 1357What: /sys/.../iio:deviceX/events/in_accel_z_mag_rising_en 1358What: /sys/.../iio:deviceX/events/in_accel_z_mag_falling_en 1359What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_rising_en 1360What: /sys/.../iio:deviceX/events/in_accel_x&y&z_mag_falling_en 1361KernelVersion: 2.6.37 1362Contact: linux-iio@vger.kernel.org 1363Description: 1364 Similar to in_accel_x_thresh[_rising|_falling]_en, but here the 1365 magnitude of the channel is compared to the threshold, not its 1366 signed value. 1367 1368What: /sys/.../events/in_accel_raw_mag_value 1369What: /sys/.../events/in_accel_x_raw_mag_rising_value 1370What: /sys/.../events/in_accel_y_raw_mag_rising_value 1371What: /sys/.../events/in_accel_z_raw_mag_rising_value 1372KernelVersion: 2.6.37 1373Contact: linux-iio@vger.kernel.org 1374Description: 1375 The value to which the magnitude of the channel is compared. If 1376 number or direction is not specified, applies to all channels of 1377 this type. 1378 1379What: /sys/.../iio:deviceX/events/in_accel_x_mag_adaptive_rising_en 1380What: /sys/.../iio:deviceX/events/in_accel_y_mag_adaptive_rising_en 1381What: /sys/.../iio:deviceX/events/in_accel_z_mag_adaptive_rising_en 1382KernelVersion: 2.6.37 1383Contact: linux-iio@vger.kernel.org 1384Description: 1385 Similar to in_accel_x_thresh[_rising|_falling]_en, but here the 1386 magnitude of the channel is compared to the adaptive threshold. 1387 1388What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_en 1389What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_en 1390What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_en 1391What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_en 1392What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_rising_en 1393What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_falling_en 1394KernelVersion: 5.18 1395Contact: linux-iio@vger.kernel.org 1396Description: 1397 Similar to in_accel_mag[_y][_rising|_falling]_en, but the event 1398 value is relative to a reference magnitude. The reference magnitude 1399 includes the graviational acceleration. 1400 1401What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_value 1402What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_rising_value 1403What: /sys/.../iio:deviceX/events/in_accel_mag_referenced_falling_value 1404What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_value 1405What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_rising_value 1406What: /sys/.../iio:deviceX/events/in_accel_y_mag_referenced_falling_value 1407KernelVersion: 5.18 1408Contact: linux-iio@vger.kernel.org 1409Description: 1410 The value to which the reference magnitude of the channel is 1411 compared. If the axis is not specified, it applies to all channels 1412 of this type. 1413 1414What: /sys/.../events/in_steps_change_en 1415KernelVersion: 4.0 1416Contact: linux-iio@vger.kernel.org 1417Description: 1418 Event generated when channel passes a threshold on the absolute 1419 change in value. E.g. for steps: a step change event is 1420 generated each time the user takes N steps, where N is set using 1421 in_steps_change_value. 1422 1423What: /sys/.../events/in_steps_change_value 1424KernelVersion: 4.0 1425Contact: linux-iio@vger.kernel.org 1426Description: 1427 Specifies the value of change threshold that the 1428 device is comparing against for the events enabled by 1429 <type>[Y][_name]_roc[_rising|falling|]_en. E.g. for steps: 1430 if set to 3, a step change event will be generated every 3 1431 steps. 1432 1433What: /sys/bus/iio/devices/iio:deviceX/trigger/current_trigger 1434KernelVersion: 2.6.35 1435Contact: linux-iio@vger.kernel.org 1436Description: 1437 The name of the trigger source being used, as per string given 1438 in /sys/bus/iio/devices/triggerY/name. 1439 1440What: /sys/bus/iio/devices/iio:deviceX/bufferY/length 1441KernelVersion: 5.11 1442Contact: linux-iio@vger.kernel.org 1443Description: 1444 Number of scans contained by the buffer. 1445 1446What: /sys/bus/iio/devices/iio:deviceX/bufferY/enable 1447KernelVersion: 5.11 1448Contact: linux-iio@vger.kernel.org 1449Description: 1450 Actually start the buffer capture up. Will start trigger 1451 if first device and appropriate. 1452 1453 Note that it might be impossible to configure other attributes, 1454 (e.g.: events, scale, sampling rate) if they impact the currently 1455 active buffer capture session. 1456 1457What: /sys/bus/iio/devices/iio:deviceX/bufferY 1458KernelVersion: 5.11 1459Contact: linux-iio@vger.kernel.org 1460Description: 1461 Directory containing interfaces for elements that will be 1462 captured for a single triggered sample set in the buffer. 1463 1464 Since kernel 5.11 the scan_elements attributes are merged into 1465 the bufferY directory, to be configurable per buffer. 1466 1467What: /sys/.../iio:deviceX/bufferY/in_accel_x_en 1468What: /sys/.../iio:deviceX/bufferY/in_accel_y_en 1469What: /sys/.../iio:deviceX/bufferY/in_accel_z_en 1470What: /sys/.../iio:deviceX/bufferY/in_deltaangl_x_en 1471What: /sys/.../iio:deviceX/bufferY/in_deltaangl_y_en 1472What: /sys/.../iio:deviceX/bufferY/in_deltaangl_z_en 1473What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_x_en 1474What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_y_en 1475What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_z_en 1476What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_en 1477What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_en 1478What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_en 1479What: /sys/.../iio:deviceX/bufferY/in_magn_x_en 1480What: /sys/.../iio:deviceX/bufferY/in_magn_y_en 1481What: /sys/.../iio:deviceX/bufferY/in_magn_z_en 1482What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_en 1483What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_en 1484What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_en 1485What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_en 1486What: /sys/.../iio:deviceX/bufferY/in_timestamp_en 1487What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_en 1488What: /sys/.../iio:deviceX/bufferY/in_voltageY_en 1489What: /sys/.../iio:deviceX/bufferY/in_voltageY-voltageZ_en 1490What: /sys/.../iio:deviceX/bufferY/in_incli_x_en 1491What: /sys/.../iio:deviceX/bufferY/in_incli_y_en 1492What: /sys/.../iio:deviceX/bufferY/in_pressureY_en 1493What: /sys/.../iio:deviceX/bufferY/in_pressure_en 1494What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_en 1495What: /sys/.../iio:deviceX/bufferY/in_proximity_en 1496KernelVersion: 5.11 1497Contact: linux-iio@vger.kernel.org 1498Description: 1499 Scan element control for triggered data capture. 1500 1501What: /sys/.../iio:deviceX/bufferY/in_accel_type 1502What: /sys/.../iio:deviceX/bufferY/in_deltaangl_type 1503What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_type 1504What: /sys/.../iio:deviceX/bufferY/in_anglvel_type 1505What: /sys/.../iio:deviceX/bufferY/in_magn_type 1506What: /sys/.../iio:deviceX/bufferY/in_incli_type 1507What: /sys/.../iio:deviceX/bufferY/in_voltageY_type 1508What: /sys/.../iio:deviceX/bufferY/in_voltage_type 1509What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_type 1510What: /sys/.../iio:deviceX/bufferY/in_timestamp_type 1511What: /sys/.../iio:deviceX/bufferY/in_pressureY_type 1512What: /sys/.../iio:deviceX/bufferY/in_pressure_type 1513What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_type 1514What: /sys/.../iio:deviceX/bufferY/in_proximity_type 1515KernelVersion: 5.11 1516Contact: linux-iio@vger.kernel.org 1517Description: 1518 Description of the scan element data storage within the buffer 1519 and hence the form in which it is read from user-space. 1520 Form is [be|le]:[f|s|u]bits/storagebits[>>shift]. 1521 be or le specifies big or little endian. f means floating-point 1522 (IEEE 754 binary format), s means signed (2's complement), u means 1523 unsigned. bits is the number of bits of data and storagebits is the 1524 space (after padding) that it occupies in the buffer; when using a 1525 floating-point format, bits must be one of the width values defined 1526 in the IEEE 754 standard for binary interchange formats (e.g. 16 1527 indicates the binary16 format for half-precision numbers). shift, 1528 if specified, is the shift that needs to be applied prior to 1529 masking out unused bits. Some devices put their data in the middle 1530 of the transferred elements with additional information on both 1531 sides. Note that some devices will have additional information in 1532 the unused bits, so to get a clean value the bits value must be 1533 used to mask the buffer output value appropriately. The storagebits 1534 value also specifies the data alignment. So s48/64>>2 will be a 1535 signed 48-bit integer stored in a 64-bit location aligned to a 1536 64-bit boundary. To obtain the clean value, shift right 2 and apply 1537 a mask to zero the top 16 bits of the result. 1538 For other storage combinations this attribute will be extended 1539 appropriately. 1540 1541What: /sys/.../iio:deviceX/scan_elements/in_accel_type_available 1542KernelVersion: 2.6.37 1543Contact: linux-iio@vger.kernel.org 1544Description: 1545 If the type parameter can take one of a small set of values, 1546 this attribute lists them. 1547 1548What: /sys/.../iio:deviceX/bufferY/in_voltageY_index 1549What: /sys/.../iio:deviceX/bufferY/in_voltageY_supply_index 1550What: /sys/.../iio:deviceX/bufferY/in_accel_x_index 1551What: /sys/.../iio:deviceX/bufferY/in_accel_y_index 1552What: /sys/.../iio:deviceX/bufferY/in_accel_z_index 1553What: /sys/.../iio:deviceX/bufferY/in_deltaangl_x_index 1554What: /sys/.../iio:deviceX/bufferY/in_deltaangl_y_index 1555What: /sys/.../iio:deviceX/bufferY/in_deltaangl_z_index 1556What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_x_index 1557What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_y_index 1558What: /sys/.../iio:deviceX/bufferY/in_deltavelocity_z_index 1559What: /sys/.../iio:deviceX/bufferY/in_anglvel_x_index 1560What: /sys/.../iio:deviceX/bufferY/in_anglvel_y_index 1561What: /sys/.../iio:deviceX/bufferY/in_anglvel_z_index 1562What: /sys/.../iio:deviceX/bufferY/in_magn_x_index 1563What: /sys/.../iio:deviceX/bufferY/in_magn_y_index 1564What: /sys/.../iio:deviceX/bufferY/in_magn_z_index 1565What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_index 1566What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_index 1567What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_magnetic_tilt_comp_index 1568What: /sys/.../iio:deviceX/bufferY/in_rot_from_north_true_tilt_comp_index 1569What: /sys/.../iio:deviceX/bufferY/in_incli_x_index 1570What: /sys/.../iio:deviceX/bufferY/in_incli_y_index 1571What: /sys/.../iio:deviceX/bufferY/in_timestamp_index 1572What: /sys/.../iio:deviceX/bufferY/in_pressureY_index 1573What: /sys/.../iio:deviceX/bufferY/in_pressure_index 1574What: /sys/.../iio:deviceX/bufferY/in_rot_quaternion_index 1575What: /sys/.../iio:deviceX/bufferY/in_proximity_index 1576KernelVersion: 5.11 1577Contact: linux-iio@vger.kernel.org 1578Description: 1579 A single positive integer specifying the position of this 1580 scan element in the buffer. Note these are not dependent on 1581 what is enabled and may not be contiguous. Thus for user-space 1582 to establish the full layout these must be used in conjunction 1583 with all _en attributes to establish which channels are present, 1584 and the relevant _type attributes to establish the data storage 1585 format. 1586 1587What: /sys/.../iio:deviceX/in_activity_still_input 1588What: /sys/.../iio:deviceX/in_activity_walking_input 1589What: /sys/.../iio:deviceX/in_activity_jogging_input 1590What: /sys/.../iio:deviceX/in_activity_running_input 1591KernelVersion: 3.19 1592Contact: linux-iio@vger.kernel.org 1593Description: 1594 This attribute is used to read the confidence for an activity 1595 expressed in units as percentage. 1596 1597What: /sys/.../iio:deviceX/in_anglvel_z_quadrature_correction_raw 1598KernelVersion: 2.6.38 1599Contact: linux-iio@vger.kernel.org 1600Description: 1601 This attribute is used to read the amount of quadrature error 1602 present in the device at a given time. 1603 1604What: /sys/.../iio:deviceX/in_accelY_power_mode 1605KernelVersion: 3.11 1606Contact: linux-iio@vger.kernel.org 1607Description: 1608 Specifies the chip power mode. 1609 low_noise: reduce noise level from ADC, 1610 low_power: enable low current consumption. 1611 For a list of available output power modes read 1612 in_accel_power_mode_available. 1613 1614What: /sys/.../iio:deviceX/in_energy_input 1615What: /sys/.../iio:deviceX/in_energy_raw 1616What: /sys/.../iio:deviceX/in_energyY_active_raw 1617What: /sys/.../iio:deviceX/in_energyY_reactive_raw 1618What: /sys/.../iio:deviceX/in_energyY_apparent_raw 1619KernelVersion: 4.0 1620Contact: linux-iio@vger.kernel.org 1621Description: 1622 This attribute is used to read the energy value reported by the 1623 device (e.g.: human activity sensors report energy burnt by the 1624 user). Units after application of scale are Joules. 1625 1626What: /sys/.../iio:deviceX/in_distance_input 1627What: /sys/.../iio:deviceX/in_distance_raw 1628KernelVersion: 4.0 1629Contact: linux-iio@vger.kernel.org 1630Description: 1631 This attribute is used to read the measured distance to an object 1632 or the distance covered by the user since the last reboot while 1633 activated. Units after application of scale are meters. 1634 1635What: /sys/bus/iio/devices/iio:deviceX/store_eeprom 1636KernelVersion: 3.4.0 1637Contact: linux-iio@vger.kernel.org 1638Description: 1639 Writing '1' stores the current device configuration into 1640 on-chip EEPROM. After power-up or chip reset the device will 1641 automatically load the saved configuration. 1642 1643What: /sys/.../iio:deviceX/in_proximity_raw 1644What: /sys/.../iio:deviceX/in_proximity_input 1645What: /sys/.../iio:deviceX/in_proximityY_raw 1646KernelVersion: 3.4 1647Contact: linux-iio@vger.kernel.org 1648Description: 1649 Proximity measurement indicating that some 1650 object is near the sensor, usually by observing 1651 reflectivity of infrared or ultrasound emitted. 1652 1653 Often these sensors are unit less and as such conversion 1654 to SI units is not possible. Higher proximity measurements 1655 indicate closer objects, and vice versa. Units after 1656 application of scale and offset are meters. 1657 1658What: /sys/.../iio:deviceX/in_illuminance_input 1659What: /sys/.../iio:deviceX/in_illuminance_raw 1660What: /sys/.../iio:deviceX/in_illuminanceY_input 1661What: /sys/.../iio:deviceX/in_illuminanceY_raw 1662What: /sys/.../iio:deviceX/in_illuminanceY_mean_raw 1663What: /sys/.../iio:deviceX/in_illuminance_ir_raw 1664What: /sys/.../iio:deviceX/in_illuminance_clear_raw 1665KernelVersion: 3.4 1666Contact: linux-iio@vger.kernel.org 1667Description: 1668 Illuminance measurement, units after application of scale 1669 and offset are lux. 1670 1671What: /sys/.../iio:deviceX/in_intensityY_raw 1672What: /sys/.../iio:deviceX/in_intensityY_ir_raw 1673What: /sys/.../iio:deviceX/in_intensityY_both_raw 1674What: /sys/.../iio:deviceX/in_intensityY_uv_raw 1675What: /sys/.../iio:deviceX/in_intensityY_uva_raw 1676What: /sys/.../iio:deviceX/in_intensityY_uvb_raw 1677What: /sys/.../iio:deviceX/in_intensityY_duv_raw 1678What: /sys/.../iio:deviceX/in_intensity_red_raw 1679What: /sys/.../iio:deviceX/in_intensity_green_raw 1680What: /sys/.../iio:deviceX/in_intensity_blue_raw 1681What: /sys/.../iio:deviceX/in_intensity_clear_raw 1682KernelVersion: 3.4 1683Contact: linux-iio@vger.kernel.org 1684Description: 1685 Unit-less light intensity. Modifiers both and ir indicate 1686 that measurements contain visible and infrared light 1687 components or just infrared light, respectively. Modifier 1688 uv indicates that measurements contain ultraviolet light 1689 components. Modifiers uva, uvb and duv indicate that 1690 measurements contain A, B or deep (C) ultraviolet light 1691 components respectively. 1692 1693What: /sys/.../iio:deviceX/in_uvindex_input 1694KernelVersion: 4.6 1695Contact: linux-iio@vger.kernel.org 1696Description: 1697 UV light intensity index measuring the human skin's response to 1698 different wavelength of sunlight weighted according to the 1699 standardised CIE Erythemal Action Spectrum. UV index values range 1700 from 0 (low) to >=11 (extreme). 1701 1702What: /sys/.../iio:deviceX/in_intensity_integration_time 1703What: /sys/.../iio:deviceX/in_intensity_red_integration_time 1704What: /sys/.../iio:deviceX/in_intensity_green_integration_time 1705What: /sys/.../iio:deviceX/in_intensity_blue_integration_time 1706What: /sys/.../iio:deviceX/in_intensity_clear_integration_time 1707What: /sys/.../iio:deviceX/in_illuminance_integration_time 1708KernelVersion: 3.12 1709Contact: linux-iio@vger.kernel.org 1710Description: 1711 This attribute is used to get/set the integration time in 1712 seconds. If shared across all channels of a given type, 1713 <type>_integration_time is used. 1714 1715What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_integration_time 1716KernelVersion: 4.0 1717Contact: linux-iio@vger.kernel.org 1718Description: 1719 Number of seconds in which to compute speed. 1720 1721What: /sys/bus/iio/devices/iio:deviceX/in_rot_quaternion_raw 1722KernelVersion: 3.15 1723Contact: linux-iio@vger.kernel.org 1724Description: 1725 Raw value of quaternion components using a format 1726 x y z w. Here x, y, and z component represents the axis about 1727 which a rotation will occur and w component represents the 1728 amount of rotation. 1729 1730What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_tilt_comp_raw 1731What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_tilt_comp_raw 1732What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_magnetic_raw 1733What: /sys/bus/iio/devices/iio:deviceX/in_rot_from_north_true_raw 1734KernelVersion: 3.15 1735Contact: linux-iio@vger.kernel.org 1736Description: 1737 Raw value of rotation from true/magnetic north measured with 1738 or without compensation from tilt sensors. 1739 1740What: /sys/bus/iio/devices/iio:deviceX/in_currentY_raw 1741What: /sys/bus/iio/devices/iio:deviceX/in_currentY_supply_raw 1742KernelVersion: 3.17 1743Contact: linux-iio@vger.kernel.org 1744Description: 1745 Raw current measurement from channel Y. Units are in milliamps 1746 after application of scale and offset. If no offset or scale is 1747 present, output should be considered as processed with the 1748 unit in milliamps. In special cases where the channel does not 1749 correspond to externally available input one of the named 1750 versions may be used. 1751 1752 Channels with 'i' and 'q' modifiers always exist in pairs and both 1753 channels refer to the same signal. The 'i' channel contains the in-phase 1754 component of the signal while the 'q' channel contains the quadrature 1755 component. 1756 1757What: /sys/bus/iio/devices/iio:deviceX/in_altcurrentY_rms_raw 1758KernelVersion: 6.18 1759Contact: linux-iio@vger.kernel.org 1760Description: 1761 Raw (unscaled no bias removal etc.) Root Mean Square (RMS) current 1762 measurement from channel Y. Units after application of scale and 1763 offset are milliamps. 1764 1765What: /sys/bus/iio/devices/iio:deviceX/in_rot_quaternionaxis_raw 1766KernelVersion: 7.1 1767Contact: linux-iio@vger.kernel.org 1768Description: 1769 Raw value of {x, y, z} components of the quaternion vector. These 1770 components represent the axis about which a rotation occurs, and are 1771 subject to the following constraints: 1772 1773 - the quaternion vector is normalized, i.e. w^2 + x^2 + y^2 + z^2 = 1 1774 - the rotation angle is within the [-pi, pi] range, i.e. the w 1775 component (which represents the amount of rotation) is non-negative 1776 1777 These constraints allow the w value to be calculated from the other 1778 components: w = sqrt(1 - (x^2 + y^2 + z^2)). 1779 1780What: /sys/.../iio:deviceX/in_energy_en 1781What: /sys/.../iio:deviceX/in_distance_en 1782What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_en 1783What: /sys/.../iio:deviceX/in_steps_en 1784KernelVersion: 3.19 1785Contact: linux-iio@vger.kernel.org 1786Description: 1787 Activates a device feature that runs in firmware/hardware. 1788 E.g. for steps: the pedometer saves power while not used; 1789 when activated, it will count the steps taken by the user in 1790 firmware and export them through in_steps_input. 1791 1792What: /sys/.../iio:deviceX/in_steps_input 1793KernelVersion: 3.19 1794Contact: linux-iio@vger.kernel.org 1795Description: 1796 This attribute is used to read the number of steps taken by the user 1797 since the last reboot while activated. 1798 1799What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_input 1800What: /sys/.../iio:deviceX/in_velocity_sqrt(x^2+y^2+z^2)_raw 1801KernelVersion: 3.19 1802Contact: linux-iio@vger.kernel.org 1803Description: 1804 This attribute is used to read the current speed value of the 1805 user (which is the norm or magnitude of the velocity vector). 1806 Units after application of scale are m/s. 1807 1808What: /sys/.../iio:deviceX/in_steps_debounce_count 1809KernelVersion: 4.0 1810Contact: linux-iio@vger.kernel.org 1811Description: 1812 Specifies the number of steps that must occur within 1813 in_steps_filter_debounce_time for the pedometer to decide the 1814 consumer is making steps. 1815 1816What: /sys/.../iio:deviceX/in_steps_debounce_time 1817KernelVersion: 4.0 1818Contact: linux-iio@vger.kernel.org 1819Description: 1820 Specifies number of seconds in which we compute the steps 1821 that occur in order to decide if the consumer is making steps. 1822 1823What: /sys/bus/iio/devices/iio:deviceX/bufferY/watermark 1824KernelVersion: 5.11 1825Contact: linux-iio@vger.kernel.org 1826Description: 1827 A single positive integer specifying the maximum number of scan 1828 elements to wait for. 1829 1830 Poll will block until the watermark is reached. 1831 1832 Blocking read will wait until the minimum between the requested 1833 read amount or the low water mark is available. 1834 1835 Non-blocking read will retrieve the available samples from the 1836 buffer even if there are less samples then watermark level. This 1837 allows the application to block on poll with a timeout and read 1838 the available samples after the timeout expires and thus have a 1839 maximum delay guarantee. 1840 1841What: /sys/bus/iio/devices/iio:deviceX/bufferY/data_available 1842KernelVersion: 5.11 1843Contact: linux-iio@vger.kernel.org 1844Description: 1845 A read-only value indicating the bytes of data available in the 1846 buffer. In the case of an output buffer, this indicates the 1847 amount of empty space available to write data to. In the case of 1848 an input buffer, this indicates the amount of data available for 1849 reading. 1850 1851What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_enabled 1852KernelVersion: 4.2 1853Contact: linux-iio@vger.kernel.org 1854Description: 1855 A read-only boolean value that indicates if the hardware fifo is 1856 currently enabled or disabled. If the device does not have a 1857 hardware fifo this entry is not present. 1858 The hardware fifo is enabled when the buffer is enabled if the 1859 current hardware fifo watermark level is set and other current 1860 device settings allows it (e.g. if a trigger is set that samples 1861 data differently that the hardware fifo does then hardware fifo 1862 will not enabled). 1863 1864 If the hardware fifo is enabled and the level of the hardware 1865 fifo reaches the hardware fifo watermark level the device will 1866 flush its hardware fifo to the device buffer. Doing a non 1867 blocking read on the device when no samples are present in the 1868 device buffer will also force a flush. 1869 1870 When the hardware fifo is enabled there is no need to use a 1871 trigger to use buffer mode since the watermark settings 1872 guarantees that the hardware fifo is flushed to the device 1873 buffer. 1874 1875What: /sys/bus/iio/devices/iio:device*/buffer/hwfifo_timeout 1876KernelVersion: 4.12 1877Contact: linux-iio@vger.kernel.org 1878Description: 1879 A read/write property to provide capability to delay reporting of 1880 samples till a timeout is reached. This allows host processors to 1881 sleep, while the sensor is storing samples in its internal fifo. 1882 The maximum timeout in seconds can be specified by setting 1883 hwfifo_timeout.The current delay can be read by reading 1884 hwfifo_timeout. A value of 0 means that there is no timeout. 1885 1886What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark 1887KernelVersion: 4.2 1888Contact: linux-iio@vger.kernel.org 1889Description: 1890 Read-only entry that contains a single integer specifying the 1891 current watermark level for the hardware fifo. If the device 1892 does not have a hardware fifo this entry is not present. 1893 The watermark level for the hardware fifo is set by the driver 1894 based on the value set by the user in buffer/watermark but 1895 taking into account hardware limitations (e.g. most hardware 1896 buffers are limited to 32-64 samples, some hardware buffers 1897 watermarks are fixed or have minimum levels). A value of 0 1898 means that the hardware watermark is unset. 1899 1900What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_min 1901KernelVersion: 4.2 1902Contact: linux-iio@vger.kernel.org 1903Description: 1904 A single positive integer specifying the minimum watermark level 1905 for the hardware fifo of this device. If the device does not 1906 have a hardware fifo this entry is not present. 1907 1908 If the user sets buffer/watermark to a value less than this one, 1909 then the hardware watermark will remain unset. 1910 1911What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_max 1912KernelVersion: 4.2 1913Contact: linux-iio@vger.kernel.org 1914Description: 1915 A single positive integer specifying the maximum watermark level 1916 for the hardware fifo of this device. If the device does not 1917 have a hardware fifo this entry is not present. 1918 1919 If the user sets buffer/watermark to a value greater than this 1920 one, then the hardware watermark will be capped at this value. 1921 1922What: /sys/bus/iio/devices/iio:deviceX/buffer/hwfifo_watermark_available 1923KernelVersion: 4.2 1924Contact: linux-iio@vger.kernel.org 1925Description: 1926 A list of positive integers specifying the available watermark 1927 levels for the hardware fifo. This entry is optional and if it 1928 is not present it means that all the values between 1929 hwfifo_watermark_min and hwfifo_watermark_max are supported. 1930 1931 If the user sets buffer/watermark to a value greater than 1932 hwfifo_watermak_min but not equal to any of the values in this 1933 list, the driver will chose an appropriate value for the 1934 hardware fifo watermark level. 1935 1936What: /sys/bus/iio/devices/iio:deviceX/in_temp_calibemissivity 1937What: /sys/bus/iio/devices/iio:deviceX/in_tempY_calibemissivity 1938What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibemissivity 1939What: /sys/bus/iio/devices/iio:deviceX/in_tempY_object_calibemissivity 1940KernelVersion: 4.1 1941Contact: linux-iio@vger.kernel.org 1942Description: 1943 The emissivity ratio of the surface in the field of view of the 1944 contactless temperature sensor. Emissivity varies from 0 to 1, 1945 with 1 being the emissivity of a black body. 1946 1947What: /sys/bus/iio/devices/iio:deviceX/in_magn_x_oversampling_ratio 1948What: /sys/bus/iio/devices/iio:deviceX/in_magn_y_oversampling_ratio 1949What: /sys/bus/iio/devices/iio:deviceX/in_magn_z_oversampling_ratio 1950KernelVersion: 4.2 1951Contact: linux-iio@vger.kernel.org 1952Description: 1953 Hardware applied number of measurements for acquiring one 1954 data point. The HW will do <type>[_name]_oversampling_ratio 1955 measurements and return the average value as output data. Each 1956 value resulted from <type>[_name]_oversampling_ratio measurements 1957 is considered as one sample for <type>[_name]_sampling_frequency. 1958 1959What: /sys/bus/iio/devices/iio:deviceX/in_concentration_raw 1960What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_raw 1961What: /sys/bus/iio/devices/iio:deviceX/in_concentration_co2_raw 1962What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_co2_raw 1963What: /sys/bus/iio/devices/iio:deviceX/in_concentration_ethanol_raw 1964What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_ethanol_raw 1965What: /sys/bus/iio/devices/iio:deviceX/in_concentration_h2_raw 1966What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_h2_raw 1967What: /sys/bus/iio/devices/iio:deviceX/in_concentration_o2_raw 1968What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_o2_raw 1969What: /sys/bus/iio/devices/iio:deviceX/in_concentration_voc_raw 1970What: /sys/bus/iio/devices/iio:deviceX/in_concentrationY_voc_raw 1971KernelVersion: 4.3 1972Contact: linux-iio@vger.kernel.org 1973Description: 1974 Raw (unscaled no offset etc.) reading of a substance. Units 1975 after application of scale and offset are percents. 1976 1977What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw 1978What: /sys/bus/iio/devices/iio:deviceX/in_resistanceY_raw 1979What: /sys/bus/iio/devices/iio:deviceX/out_resistance_raw 1980What: /sys/bus/iio/devices/iio:deviceX/out_resistanceY_raw 1981KernelVersion: 4.3 1982Contact: linux-iio@vger.kernel.org 1983Description: 1984 Raw (unscaled no offset etc.) resistance reading. 1985 Units after application of scale and offset are ohms. 1986 1987What: /sys/bus/iio/devices/iio:deviceX/in_coverageY_raw 1988KernelVersion: 7.2 1989Contact: linux-iio@vger.kernel.org 1990Description: 1991 Raw (unscaled no offset etc.) coverage reading. Used for sensors 1992 that report fractional coverage as a percentage, such as leak 1993 detectors where the value represents what portion of the sensing 1994 element is wetted. Units after application of scale and offset are 1995 percent. 1996 1997What: /sys/bus/iio/devices/iio:deviceX/in_coverageY_scale 1998KernelVersion: 7.2 1999Contact: linux-iio@vger.kernel.org 2000Description: 2001 Scale to be applied to in_coverageY_raw to obtain coverage 2002 in percent. 2003 2004What: /sys/bus/iio/devices/iio:deviceX/heater_enable 2005KernelVersion: 4.1.0 2006Contact: linux-iio@vger.kernel.org 2007Description: 2008 '1' (enable) or '0' (disable) specifying the enable 2009 of heater function. Same reading values apply. 2010 2011 This ABI is especially applicable for humidity sensors 2012 to heatup the device and get rid of any condensation 2013 in some humidity environment 2014 2015What: /sys/bus/iio/devices/iio:deviceX/in_ph_raw 2016KernelVersion: 4.5 2017Contact: linux-iio@vger.kernel.org 2018Description: 2019 Raw (unscaled no offset etc.) pH reading of a substance as a negative 2020 base-10 logarithm of hydrodium ions in a litre of water. 2021 2022What: /sys/bus/iio/devices/iio:deviceX/mount_matrix 2023What: /sys/bus/iio/devices/iio:deviceX/in_mount_matrix 2024What: /sys/bus/iio/devices/iio:deviceX/out_mount_matrix 2025What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_mount_matrix 2026What: /sys/bus/iio/devices/iio:deviceX/in_accel_mount_matrix 2027KernelVersion: 4.6 2028Contact: linux-iio@vger.kernel.org 2029Description: 2030 Mounting matrix for IIO sensors. This is a rotation matrix which 2031 informs userspace about sensor chip's placement relative to the 2032 main hardware it is mounted on. 2033 2034 Main hardware placement is defined according to the local 2035 reference frame related to the physical quantity the sensor 2036 measures. 2037 2038 Given that the rotation matrix is defined in a board specific 2039 way (platform data and / or device-tree), the main hardware 2040 reference frame definition is left to the implementor's choice 2041 (see below for a magnetometer example). 2042 2043 Applications should apply this rotation matrix to samples so 2044 that when main hardware reference frame is aligned onto local 2045 reference frame, then sensor chip reference frame is also 2046 perfectly aligned with it. 2047 2048 Matrix is a 3x3 unitary matrix and typically looks like 2049 [0, 1, 0; 1, 0, 0; 0, 0, -1]. Identity matrix 2050 [1, 0, 0; 0, 1, 0; 0, 0, 1] means sensor chip and main hardware 2051 are perfectly aligned with each other. 2052 2053 For example, a mounting matrix for a magnetometer sensor informs 2054 userspace about sensor chip's ORIENTATION relative to the main 2055 hardware. 2056 2057 More specifically, main hardware orientation is defined with 2058 respect to the LOCAL EARTH GEOMAGNETIC REFERENCE FRAME where : 2059 2060 * Y is in the ground plane and positive towards magnetic North ; 2061 * X is in the ground plane, perpendicular to the North axis and 2062 positive towards the East ; 2063 * Z is perpendicular to the ground plane and positive upwards. 2064 2065 An implementor might consider that for a hand-held device, a 2066 'natural' orientation would be 'front facing camera at the top'. 2067 The main hardware reference frame could then be described as : 2068 2069 * Y is in the plane of the screen and is positive towards the 2070 top of the screen ; 2071 * X is in the plane of the screen, perpendicular to Y axis, and 2072 positive towards the right hand side of the screen ; 2073 * Z is perpendicular to the screen plane and positive out of the 2074 screen. 2075 2076 Another example for a quadrotor UAV might be : 2077 2078 * Y is in the plane of the propellers and positive towards the 2079 front-view camera; 2080 * X is in the plane of the propellers, perpendicular to Y axis, 2081 and positive towards the starboard side of the UAV ; 2082 * Z is perpendicular to propellers plane and positive upwards. 2083 2084What: /sys/bus/iio/devices/iio:deviceX/in_electricalconductivity_raw 2085KernelVersion: 4.8 2086Contact: linux-iio@vger.kernel.org 2087Description: 2088 Raw (unscaled no offset etc.) electric conductivity reading. 2089 Units after application of scale and offset are siemens per 2090 meter. 2091 2092What: /sys/bus/iio/devices/iio:deviceX/in_countY_raw 2093KernelVersion: 4.10 2094Contact: linux-iio@vger.kernel.org 2095Description: 2096 This interface is deprecated; please use the Counter subsystem. 2097 2098 Raw counter device counts from channel Y. For quadrature 2099 counters, multiplication by an available [Y]_scale results in 2100 the counts of a single quadrature signal phase from channel Y. 2101 2102What: /sys/bus/iio/devices/iio:deviceX/in_indexY_raw 2103KernelVersion: 4.10 2104Contact: linux-iio@vger.kernel.org 2105Description: 2106 This interface is deprecated; please use the Counter subsystem. 2107 2108 Raw counter device index value from channel Y. This attribute 2109 provides an absolute positional reference (e.g. a pulse once per 2110 revolution) which may be used to home positional systems as 2111 required. 2112 2113What: /sys/bus/iio/devices/iio:deviceX/in_count_count_direction_available 2114KernelVersion: 4.12 2115Contact: linux-iio@vger.kernel.org 2116Description: 2117 This interface is deprecated; please use the Counter subsystem. 2118 2119 A list of possible counting directions which are: 2120 2121 - "up" : counter device is increasing. 2122 - "down": counter device is decreasing. 2123 2124What: /sys/bus/iio/devices/iio:deviceX/in_countY_count_direction 2125KernelVersion: 4.12 2126Contact: linux-iio@vger.kernel.org 2127Description: 2128 This interface is deprecated; please use the Counter subsystem. 2129 2130 Raw counter device counters direction for channel Y. 2131 2132What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_label 2133What: /sys/bus/iio/devices/iio:deviceX/out_voltageY_label 2134KernelVersion: 5.8 2135Contact: linux-iio@vger.kernel.org 2136Description: 2137 Optional symbolic label to a device channel. 2138 If a label is defined for this channel add that to the channel 2139 specific attributes. This is useful for userspace to be able to 2140 better identify an individual channel. 2141 2142What: /sys/bus/iio/devices/iio:deviceX/in_phaseY_raw 2143KernelVersion: 4.18 2144Contact: linux-iio@vger.kernel.org 2145Description: 2146 Raw (unscaled) phase difference reading from channel Y. 2147 Units after application of scale and offset are radians. 2148 2149What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm1_input 2150What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm1_input 2151What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm2p5_input 2152What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm2p5_input 2153What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm4_input 2154What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm4_input 2155What: /sys/bus/iio/devices/iio:deviceX/in_massconcentration_pm10_input 2156What: /sys/bus/iio/devices/iio:deviceX/in_massconcentrationY_pm10_input 2157KernelVersion: 4.22 2158Contact: linux-iio@vger.kernel.org 2159Description: 2160 Mass concentration reading of particulate matter in ug / m3. 2161 pmX consists of particles with aerodynamic diameter less or 2162 equal to X micrometers. 2163 2164What: /sys/bus/iio/devices/iio:deviceX/events/in_illuminance_period_available 2165Date: November 2019 2166KernelVersion: 5.4 2167Contact: linux-iio@vger.kernel.org 2168Description: 2169 List of valid periods (in seconds) for which the light intensity 2170 must be above the threshold level before interrupt is asserted. 2171 2172What: /sys/bus/iio/devices/iio:deviceX/in_filter_notch_center_frequency 2173KernelVersion: 5.5 2174Contact: linux-iio@vger.kernel.org 2175Description: 2176 Center frequency in Hz for a notch filter. Used i.e. for line 2177 noise suppression. 2178 2179What: /sys/bus/iio/devices/iio:deviceX/in_temp_thermocouple_type 2180KernelVersion: 5.5 2181Contact: linux-iio@vger.kernel.org 2182Description: 2183 One of the following thermocouple types: B, E, J, K, N, R, S, T. 2184 2185What: /sys/bus/iio/devices/iio:deviceX/in_temp_object_calibambient 2186What: /sys/bus/iio/devices/iio:deviceX/in_tempY_object_calibambient 2187KernelVersion: 5.10 2188Contact: linux-iio@vger.kernel.org 2189Description: 2190 Calibrated ambient temperature for object temperature 2191 calculation in milli degrees Celsius. 2192 2193What: /sys/bus/iio/devices/iio:deviceX/in_intensity_x_raw 2194What: /sys/bus/iio/devices/iio:deviceX/in_intensity_y_raw 2195What: /sys/bus/iio/devices/iio:deviceX/in_intensity_z_raw 2196KernelVersion: 5.10 2197Contact: linux-iio@vger.kernel.org 2198Description: 2199 Unscaled light intensity according to CIE 1931/DIN 5033 color space. 2200 Units after application of scale are nano nanowatts per square meter. 2201 2202What: /sys/bus/iio/devices/iio:deviceX/in_anglY_label 2203KernelVersion: 5.12 2204Contact: linux-iio@vger.kernel.org 2205Description: 2206 Optional symbolic label for channel Y. 2207 For Intel hid hinge sensor, the label values are: 2208 hinge, keyboard, screen. It means the three channels 2209 each correspond respectively to hinge angle, keyboard angle, 2210 and screen angle. 2211 2212What: /sys/bus/iio/devices/iio:deviceX/in_illuminance_hysteresis_relative 2213What: /sys/bus/iio/devices/iio:deviceX/in_intensity_hysteresis_relative 2214KernelVersion: 5.12 2215Contact: linux-iio@vger.kernel.org 2216Description: 2217 Specify the percent for light sensor relative to the channel 2218 absolute value that a data field should change before an event 2219 is generated. Units are a percentage of the prior reading. 2220 2221What: /sys/bus/iio/devices/iio:deviceX/calibration_auto_enable 2222Date: June 2020 2223KernelVersion: 5.8 2224Contact: linux-iio@vger.kernel.org 2225Description: 2226 Some sensors have the ability to apply auto calibration at 2227 runtime. For example, it may be necessary to compensate for 2228 contaminant build-up in a measurement chamber or optical 2229 element deterioration that would otherwise lead to sensor drift. 2230 2231 Writing 1 or 0 to this attribute will respectively activate or 2232 deactivate this auto calibration function. 2233 2234 Upon reading, the current status is returned. 2235 2236What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value 2237Date: June 2020 2238KernelVersion: 5.8 2239Contact: linux-iio@vger.kernel.org 2240Description: 2241 Some sensors have the ability to apply a manual calibration using 2242 a known measurement value, perhaps obtained from an external 2243 reference device. 2244 2245 Writing a value to this function will force such a calibration 2246 change. For the scd30 the value should be from the range 2247 [400 1 2000]. 2248 2249 Note for the scd30 that a valid value may only be obtained once 2250 it is has been written. Until then any read back of this value 2251 should be ignored. As for the scd4x an error will be returned 2252 immediately if the manual calibration has failed. 2253 2254What: /sys/bus/iio/devices/iio:deviceX/calibration_forced_value_available 2255KernelVersion: 5.15 2256Contact: linux-iio@vger.kernel.org 2257Description: 2258 Available range for the forced calibration value, expressed as: 2259 2260 - a range specified as "[min step max]" 2261 2262What: /sys/bus/iio/devices/iio:deviceX/in_voltageY_sampling_frequency 2263What: /sys/bus/iio/devices/iio:deviceX/in_powerY_sampling_frequency 2264What: /sys/bus/iio/devices/iio:deviceX/in_currentY_sampling_frequency 2265KernelVersion: 5.20 2266Contact: linux-iio@vger.kernel.org 2267Description: 2268 Some devices have separate controls of sampling frequency for 2269 individual channels. If multiple channels are enabled in a scan, 2270 then the sampling_frequency of the scan may be computed from the 2271 per channel sampling frequencies. 2272 2273What: /sys/.../events/in_accel_gesture_singletap_en 2274What: /sys/.../events/in_accel_gesture_doubletap_en 2275KernelVersion: 6.1 2276Contact: linux-iio@vger.kernel.org 2277Description: 2278 Device generates an event on a single or double tap. 2279 2280What: /sys/.../events/in_accel_gesture_singletap_value 2281What: /sys/.../events/in_accel_gesture_doubletap_value 2282KernelVersion: 6.1 2283Contact: linux-iio@vger.kernel.org 2284Description: 2285 Specifies the threshold value that the device is comparing 2286 against to generate the tap gesture event. The lower 2287 threshold value increases the sensitivity of tap detection. 2288 Units and the exact meaning of value are device-specific. 2289 2290What: /sys/.../events/in_accel_gesture_tap_value_available 2291KernelVersion: 6.1 2292Contact: linux-iio@vger.kernel.org 2293Description: 2294 Lists all available threshold values which can be used to 2295 modify the sensitivity of the tap detection. 2296 2297What: /sys/.../events/in_accel_gesture_singletap_reset_timeout 2298What: /sys/.../events/in_accel_gesture_doubletap_reset_timeout 2299KernelVersion: 6.1 2300Contact: linux-iio@vger.kernel.org 2301Description: 2302 Specifies the timeout value in seconds for the tap detector 2303 to not to look for another tap event after the event as 2304 occurred. Basically the minimum quiet time between the two 2305 single-tap's or two double-tap's. 2306 2307What: /sys/.../events/in_accel_gesture_tap_reset_timeout_available 2308KernelVersion: 6.1 2309Contact: linux-iio@vger.kernel.org 2310Description: 2311 Lists all available tap reset timeout values. Units in seconds. 2312 2313What: /sys/.../events/in_accel_gesture_doubletap_tap2_min_delay 2314KernelVersion: 6.1 2315Contact: linux-iio@vger.kernel.org 2316Description: 2317 Specifies the minimum quiet time in seconds between the two 2318 taps of a double tap. 2319 2320What: /sys/.../events/in_accel_gesture_doubletap_tap2_min_delay_available 2321KernelVersion: 6.1 2322Contact: linux-iio@vger.kernel.org 2323Description: 2324 Lists all available delay values between two taps in the double 2325 tap. Units in seconds. 2326 2327What: /sys/.../events/in_accel_gesture_tap_maxtomin_time 2328KernelVersion: 6.1 2329Contact: linux-iio@vger.kernel.org 2330Description: 2331 Specifies the maximum time difference allowed between upper 2332 and lower peak of tap to consider it as the valid tap event. 2333 Units in seconds. 2334 2335What: /sys/.../events/in_accel_gesture_tap_maxtomin_time_available 2336KernelVersion: 6.1 2337Contact: linux-iio@vger.kernel.org 2338Description: 2339 Lists all available time values between upper peak to lower 2340 peak. Units in seconds. 2341 2342What: /sys/bus/iio/devices/iio:deviceX/in_rot_yaw_raw 2343What: /sys/bus/iio/devices/iio:deviceX/in_rot_pitch_raw 2344What: /sys/bus/iio/devices/iio:deviceX/in_rot_roll_raw 2345KernelVersion: 6.1 2346Contact: linux-iio@vger.kernel.org 2347Description: 2348 Raw (unscaled) euler angles readings. Units after 2349 application of scale are deg. 2350 2351What: /sys/bus/iio/devices/iio:deviceX/serialnumber 2352KernelVersion: 6.1 2353Contact: linux-iio@vger.kernel.org 2354Description: 2355 An example format is 16-bytes, 2-digits-per-byte, HEX-string 2356 representing the sensor unique ID number. 2357 2358What: /sys/bus/iio/devices/iio:deviceX/filter_type_available 2359What: /sys/bus/iio/devices/iio:deviceX/in_voltage-voltage_filter_type_available 2360KernelVersion: 6.1 2361Contact: linux-iio@vger.kernel.org 2362Description: 2363 Reading returns a list with the possible filter modes. Options 2364 for the attribute: 2365 2366 * "none" - Filter is disabled/bypassed. 2367 * "sinc1" - The digital sinc1 filter. Fast 1st 2368 conversion time. Poor noise performance. 2369 * "sinc3" - The digital sinc3 filter. Moderate 1st 2370 conversion time. Good noise performance. 2371 * "sinc3+pf1" - Sinc3 + device specific Post Filter 1. 2372 * "sinc3+pf2" - Sinc3 + device specific Post Filter 2. 2373 * "sinc3+pf3" - Sinc3 + device specific Post Filter 3. 2374 * "sinc3+pf4" - Sinc3 + device specific Post Filter 4. 2375 * "sinc3+rej60" - Sinc3 + 60Hz rejection. 2376 * "sinc3+sinc1" - Sinc3 + averaging by 8. Low 1st conversion 2377 time. 2378 * "sinc4" - Sinc 4. Excellent noise performance. Long 2379 1st conversion time. 2380 * "sinc4+lp" - Sinc4 + Low Pass Filter. 2381 * "sinc4+sinc1" - Sinc4 + averaging by 8. Low 1st conversion 2382 time. 2383 * "sinc4+rej60" - Sinc4 + 60Hz rejection. 2384 * "sinc5" - The digital sinc5 filter. Excellent noise 2385 performance 2386 * "sinc5+avg" - Sinc5 + averaging by 4. 2387 * "sinc5+pf1" - Sinc5 + device specific Post Filter 1. 2388 * "sinc5+sinc1" - Sinc5 + Sinc1. 2389 * "sinc5+sinc1+pf1" - Sinc5 + Sinc1 + device specific Post Filter 1. 2390 * "sinc5+sinc1+pf2" - Sinc5 + Sinc1 + device specific Post Filter 2. 2391 * "sinc5+sinc1+pf3" - Sinc5 + Sinc1 + device specific Post Filter 3. 2392 * "sinc5+sinc1+pf4" - Sinc5 + Sinc1 + device specific Post Filter 4. 2393 * "wideband" - filter with wideband low ripple passband 2394 and sharp transition band. 2395 2396What: /sys/bus/iio/devices/iio:deviceX/filter_type 2397What: /sys/bus/iio/devices/iio:deviceX/in_voltageY-voltageZ_filter_type 2398KernelVersion: 6.1 2399Contact: linux-iio@vger.kernel.org 2400Description: 2401 Specifies which filter type apply to the channel. The possible 2402 values are given by the filter_type_available attribute. 2403 2404What: /sys/.../events/in_proximity_thresh_either_runningperiod 2405KernelVersion: 6.6 2406Contact: linux-iio@vger.kernel.org 2407Description: 2408 A running period of time (in seconds) for which 2409 in_proximity_thresh_either_runningcount amount of conditions 2410 must occur before an event is generated. If direction is not 2411 specified then this period applies to both directions. 2412 2413What: /sys/.../events/in_proximity_thresh_either_runningcount 2414KernelVersion: 6.6 2415Contact: linux-iio@vger.kernel.org 2416Description: 2417 Number of conditions that must occur, during a running 2418 period, before an event is generated. 2419 2420What: /sys/bus/iio/devices/iio:deviceX/in_colortemp_raw 2421KernelVersion: 6.7 2422Contact: linux-iio@vger.kernel.org 2423Description: 2424 Represents light color temperature, which measures light color 2425 temperature in Kelvin. 2426 2427What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_x_raw 2428What: /sys/bus/iio/devices/iio:deviceX/in_chromaticity_y_raw 2429KernelVersion: 6.7 2430Contact: linux-iio@vger.kernel.org 2431Description: 2432 The x and y light color coordinate on the CIE 1931 chromaticity 2433 diagram. 2434 2435What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_either_label 2436What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_mag_rising_label 2437What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_falling_label 2438What: /sys/bus/iio/devices/iio:deviceX/events/in_altvoltageY_thresh_rising_label 2439What: /sys/bus/iio/devices/iio:deviceX/events/in_anglvelY_mag_rising_label 2440What: /sys/bus/iio/devices/iio:deviceX/events/in_anglY_thresh_rising_label 2441What: /sys/bus/iio/devices/iio:deviceX/events/in_phaseY_mag_rising_label 2442KernelVersion: 6.7 2443Contact: linux-iio@vger.kernel.org 2444Description: 2445 Optional symbolic label to a device channel event. 2446 If a label is defined for this event add that to the event 2447 specific attributes. This is useful for userspace to be able to 2448 better identify an individual event. 2449 2450What: /sys/.../events/in_accel_gesture_tap_wait_timeout 2451KernelVersion: 6.7 2452Contact: linux-iio@vger.kernel.org 2453Description: 2454 Enable tap gesture confirmation with timeout. 2455 2456What: /sys/.../events/in_accel_gesture_tap_wait_dur 2457KernelVersion: 6.7 2458Contact: linux-iio@vger.kernel.org 2459Description: 2460 Timeout value in seconds for tap gesture confirmation. 2461 2462What: /sys/.../events/in_accel_gesture_tap_wait_dur_available 2463KernelVersion: 6.7 2464Contact: linux-iio@vger.kernel.org 2465Description: 2466 List of available timeout value for tap gesture confirmation. 2467 2468What: /sys/.../iio:deviceX/in_shunt_resistor 2469What: /sys/.../iio:deviceX/in_current_shunt_resistor 2470What: /sys/.../iio:deviceX/in_power_shunt_resistor 2471KernelVersion: 6.10 2472Contact: linux-iio@vger.kernel.org 2473Description: 2474 The value of current sense resistor in Ohms. 2475 2476What: /sys/.../iio:deviceX/in_attention_input 2477KernelVersion: 6.13 2478Contact: linux-iio@vger.kernel.org 2479Description: 2480 Value representing the user's attention to the system expressed 2481 in units as percentage. This usually means if the user is 2482 looking at the screen or not. 2483 2484What: /sys/.../events/in_accel_value_available 2485KernelVersion: 6.18 2486Contact: linux-iio@vger.kernel.org 2487Description: 2488 List of available threshold values for acceleration event 2489 generation. Applies to all event types on in_accel channels. 2490 Units after application of scale and offset are m/s^2. 2491 Expressed as: 2492 2493 - a range specified as "[min step max]" 2494 2495What: /sys/.../events/in_accel_period_available 2496KernelVersion: 6.18 2497Contact: linux-iio@vger.kernel.org 2498Description: 2499 List of available periods for accelerometer event detection in 2500 seconds, expressed as: 2501 2502 - a range specified as "[min step max]" 2503 2504What: /sys/bus/iio/devices/iio:deviceX/in_volumeflow_raw 2505What: /sys/bus/iio/devices/iio:deviceX/in_volumeflowY_raw 2506KernelVersion: 7.3 2507Contact: linux-iio@vger.kernel.org 2508Description: 2509 Raw (unscaled) volumetric flow rate reading from the channel. 2510 To convert to standard units (cubic metres per second, m^3/s) 2511 apply the channel's _scale (and _offset, when present). 2512