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/linux/Documentation/ABI/testing/
H A Dsysfs-class-backlight42 It returns integer between 0 (dark) and 8000 (max ambient
81 Writing 0 returns to normal/automatic ambient light level
88 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
93 Control the maximum brightness for <ambient light zone>
96 <ambient light zone>.
98 The <ambient light zone> is device-driver specific:
100 For ADP5520 and ADP5501, <ambient light zone> can be:
103 Ambient sysfs entry
111 For ADP8860, <ambient light zone> can be:
114 Ambient sysfs entry
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H A Dsysfs-bus-iio-light-isl2901816 is less affected by the ambient IR noise variation.
19 0 Sensing IR from LED and ambient
20 1 Sensing IR from LED with ambient IR rejection
H A Dsysfs-bus-iio-isl2950125 measurements due to changing temperature and ambient
30 ambient light are modulated independently.
40 in_proximity0_calib_phase_light_b for ambient light.
H A Dsysfs-platform-dell-laptop8 illumination mode on some systems that have an ambient
19 as reported by the ambient light sensor.
/linux/Documentation/devicetree/bindings/iio/light/
H A Dsharp,gp2ap002.yaml7 title: Sharp GP2AP002A00F and GP2AP002S00F proximity and ambient light sensors
13 Proximity and ambient light sensor with IR LED for the proximity
14 sensing and an analog output for light intensity. The ambient light
38 description: ALSOUT ADC channel to read the ambient light
H A Dtsl2583.yaml7 title: AMS/TAOS Ambient Light Sensor (ALS)
13 Ambient light sensing with an i2c interface.
H A Dnoa1305.yaml7 title: ON Semiconductor NOA1305 Ambient Light Sensor
13 Ambient sensing with an i2c interface.
H A Drohm,bu27034anuc.yaml7 title: ROHM BU27034ANUC ambient light sensor
13 ROHM BU27034ANUC is an ambient light sensor with 2 channels and 2 photo diodes
H A Damstaos,tsl2563.yaml7 title: AMS TAOS TSL2563 ambient light sensor
13 Ambient light sensor with an i2c interface.
H A Dvishay,vcnl4000.yaml7 title: VISHAY VCNL4000 ambient light and proximity sensor
13 Ambient light sensing with proximity detection over an i2c
H A Dliteon,ltrf216a.yaml7 title: LTRF216A Ambient Light Sensor
13 Ambient light sensing with an i2c interface.
H A Dbh1750.yaml7 title: ROHM BH1750 ambient light sensor
13 Ambient light sensor with an i2c interface.
H A Dstk33xx.yaml8 Sensortek STK33xx I2C Ambient Light and Proximity sensor
14 Ambient light and proximity sensor over an i2c interface.
H A Disl29018.yaml8 Intersil 29018/29023/29035 Ambient Light, Infrared Light, and Proximity Sensor
14 Ambient and infrared light sensing with proximity detection over an i2c
H A Dti,opt4001.yaml7 title: Texas Instruments OPT4001 Ambient Light Sensor
13 Ambient light sensor with an i2c interface.
H A Dtsl2772.yaml7 title: AMS/TAOS Ambient Light Sensor (ALS) and Proximity Detector
13 Ambient light sensing and proximity detection with an i2c interface.
/linux/drivers/sbus/char/
H A Dmax1617.h6 #define MAX1617_AMB_TEMP 0x00 /* Ambient temp in C */
13 #define MAX1617_RD_AMB_HIGHLIM 0x05 /* Ambient high limit */
14 #define MAX1617_RD_AMB_LOWLIM 0x06 /* Ambient low limit */
/linux/drivers/hid/amd-sfh-hid/hid_descriptor/
H A Damd_sfh_hid_desc.c50 case als_idx: /* ambient light sensor */ in get_report_descriptor()
51 case ACS_IDX: /* ambient color sensor */ in get_report_descriptor()
101 case ACS_IDX: /* ambient color sensor */ in get_descr_sz()
178 case als_idx: /* ambient light sensor */ in get_feature_report()
179 case ACS_IDX: /* ambient color sensor */ in get_feature_report()
251 case ACS_IDX: /* ambient color sensor */ in get_input_report()
/linux/Documentation/devicetree/bindings/power/supply/
H A Dbattery.yaml110 ambient-celsius:
111 description: safe range of ambient temperature
113 - description: alert when ambient temperature is lower than this value
114 - description: alert when ambient temperature is higher than this value
171 ambient-celsius = <(-5) 50>;
/linux/Documentation/devicetree/bindings/iio/temperature/
H A Dmelexis,mlx90632.yaml20 operate and measure ambient temperature in range of -20 to 85 degrees
23 Be aware that electronics surrounding the sensor can increase ambient
37 operate and measure ambient temperature in range of -20 to 85 degrees
/linux/drivers/misc/
H A DKconfig338 If you say yes here you get support for the ALS APDS9802 ambient
345 tristate "Intersil ISL29003 ambient light sensor"
349 ambient light sensor.
355 tristate "Intersil ISL29020 ambient light sensor"
359 ambient light sensor.
365 tristate "Taos TSL2550 ambient light sensor"
369 ambient light sensor.
379 SFH7770 (Osram) combined ambient light and proximity sensor chip.
389 combined ambient light and proximity sensor chip.
/linux/drivers/macintosh/
H A Dwindfarm_max6690_sensor.c79 if (!strcmp(loc, "BACKSIDE") || !strcmp(loc, "SYS CTRLR AMBIENT")) in wf_max6690_probe()
81 else if (!strcmp(loc, "NB Ambient")) in wf_max6690_probe()
83 else if (!strcmp(loc, "GPU Ambient")) in wf_max6690_probe()
/linux/include/sound/
H A Dcs-amp-lib.h33 * @ambient: Name of control for calAmbient value.
41 const char *ambient; member
/linux/Documentation/hwmon/
H A Dibm-cffps.rst51 temp1_alarm PSU inlet ambient temperature over-temperature alarm.
52 temp1_input Measured PSU inlet ambient temp in millidegrees C.
/linux/tools/testing/selftests/landlock/
H A Dcommon.h61 /* Automatically resets ambient capabilities. */ in _init_caps()
68 /* Quickly checks that ambient capabilities are cleared. */ in _init_caps()
118 TH_LOG("Failed to set ambient capability %d: %s", cap, in set_ambient_cap()

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