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/linux/drivers/iio/humidity/
H A DKconfig3 # humidity sensor drivers
5 menu "Humidity sensors"
8 tristate "Aosong AM2315 relative humidity and temperature sensor"
14 relative humidity and ambient temperature sensor.
29 tristate "ENS210 temperature and humidity sensor"
34 humidity and temperature sensors.
40 tristate "TI HDC100x relative humidity and temperature sensor"
47 humidity and temperature sensors.
53 tristate "TI HDC2010 relative humidity and temperature sensor"
57 HDC2010 and HDC2080 relative humidity and temperature sensors.
[all …]
H A Dhtu21.c4 * htu21 temperature & humidity sensor
5 * and humidity part of MS8607 sensor
44 unsigned int humidity; in htu21_read_raw() local
60 &humidity); in htu21_read_raw()
63 *val = humidity; in htu21_read_raw()
234 {"ms8607-humidity", MS8607},
241 { .compatible = "meas,ms8607-humidity", },
257 MODULE_DESCRIPTION("Measurement-Specialties htu21 temperature and humidity driver");
H A Dsi7020.c3 * si7020.c - Silicon Labs Si7013/20/21 Relative Humidity and Temp Sensors
9 * The Silicon Labs Si7013/20/21 Relative Humidity and Temperature Sensors
11 * measuring relative humidity and temperature. The Si7013 has an additional
31 /* Measure Relative Humidity, Hold Master Mode */
76 * Humidity values can slightly exceed the 0-100%RH in si7020_read_raw()
94 * Relative humidity will be 0.0032959% too high and in si7020_read_raw()
292 MODULE_DESCRIPTION("Silicon Labs Si7013/20/21 Relative Humidity and Temperature Sensors");
H A DMakefile3 # Makefile for IIO humidity sensor drivers
12 obj-$(CONFIG_HID_SENSOR_HUMIDITY) += hid-sensor-humidity.o
H A Dhdc3020.c4 * temperature + relative humidity sensors
244 /* CRC check of the relative humidity measurement */ in hdc3020_read_measurement()
401 * Get the humidity threshold from 7 MSBs, shift them to get the in hdc3020_thresh_get_hum()
402 * truncated humidity threshold representation and calculate the in hdc3020_thresh_get_hum()
423 * the current humidity threshold in the 7 MSBs. in hdc3020_thresh_set_temp()
440 * Calculate humidity threshold, shift it down and up to get the in hdc3020_thresh_set_hum()
589 * humidity in percent scaled by HDC3020_THRESH_FRACTION. in hdc3020_write_thresh()
904 MODULE_DESCRIPTION("TI HDC3020 humidity and temperature sensor driver");
H A Dens210.c3 * ens210.c - Support for ScioSense ens210 temperature & humidity sensor family
62 * struct ens210_chip_info - Humidity/Temperature chip specific information
74 * struct ens210_data - Humidity/Temperature sensor device structure
337 MODULE_DESCRIPTION("ScioSense ENS210 temperature and humidity sensor driver");
/linux/Documentation/hwmon/
H A Dchipcap2.rst14 …Datasheet: https://www.amphenol-sensors.com/en/telaire/humidity/527-humidity-sensors/3095-chipcap-2
23 This driver implements support for the Amphenol ChipCap 2, a humidity and
25 relative humidity is expressed as a per cent mille. The measurement ranges
28 - Relative humidity: 0 to 100000 pcm (14-bit resolution)
34 Depending on the hardware configuration, up to two humidity alarms to control
56 humidity1_input: RO humidity input
65 humidity1_min: RW humidity low limit. Measurements under
66 this limit trigger a humidity low alarm
67 humidity1_max: RW humidity high limit. Measurements above
68 this limit trigger a humidity high alarm
[all …]
H A Dsht15.rst35 http://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf
40 The SHT10, SHT11, SHT15, SHT71, and SHT75 are humidity and temperature
46 bits for humidity, or 12 bits for temperature and 8 bits for humidity.
48 The humidity calibration coefficients are programmed into an OTP memory on the
69 flag to indicate the temp/humidity resolution to use (default to false).
76 humidity1_input humidity input
H A Dhs3001.rst23 This driver implements support for the Renesas HS3001 chips, a humidity
25 humidity is expressed as a percentage. In the sysfs interface, all values are
36 humidity1_input: humidity input
H A Dshtc1.rst44 chips, a humidity and temperature sensor. Temperature is measured in degrees
45 celsius, relative humidity is expressed as a percentage.
67 - humidity input
H A Dsysfs-interface.rst486 Humidity section in Attribute access
489 `humidity[1-*]_input`
490 Humidity.
492 `humidity[1-*]_enable`
495 `humidity[1-*]_rated_min`
496 Minimum rated humidity.
498 `humidity[1-*]_rated_max`
499 Maximum rated humidity.
H A Dhih6130.rst22 The HIH-6130 & HIH-6131 are humidity and temperature sensors in a SO8 package.
40 humidity input
/linux/Documentation/devicetree/bindings/hwmon/
H A Damphenol,chipcap2.yaml7 title: ChipCap 2 humidity and temperature iio sensor
13 Relative humidity and temperature sensor on I2C bus.
16 https://www.amphenol-sensors.com/en/telaire/humidity/527-humidity-sensors/3095-chipcap-2
39 - description: low humidity alarm
40 - description: high humidity alarm
67 humidity@28 {
/linux/drivers/hwmon/
H A Dhih6130.c2 /* Honeywell HIH-6130/HIH-6131 humidity and temperature sensor driver
32 * @humidity: cached humidity measurement value
41 int humidity; member
61 * hih6130_rh_ticks_to_per_cent_mille() - convert raw humidity ticks to
62 * one-thousandths of a percent relative humidity
63 * @ticks: humidity ticks value received from sensor
103 * The datasheet specifies maximum 'Response time' for humidity at 8s in hih6130_update_measurements()
138 hih6130->humidity = hih6130_rh_ticks_to_per_cent_mille(t); in hih6130_update_measurements()
175 * hih6130_humidity_show() - show humidity measurement value in sysfs
192 return sprintf(buf, "%d\n", hih6130->humidity); in hih6130_humidity_show()
[all …]
H A Daht10.c4 * aht10.c - Linux hwmon driver for AHT10/AHT20 Temperature and Humidity sensors
79 * @humidity: the latest humidity value received from the
91 int humidity; member
202 data->humidity = hum; in aht10_read_values()
247 * aht10_humidity1_read() - read the relative humidity in millipercent
257 *val = data->humidity; in aht10_humidity1_read()
308 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
388 MODULE_DESCRIPTION("AHT10/AHT20 Temperature and Humidity sensor driver");
H A Dshtc1.c2 /* Sensirion SHTC1 humidity and temperature sensor driver
68 int humidity; /* 1000 * relative humidity in %RH */ member
126 data->humidity = ((12500 * val) >> 13); in shtc1_update_client()
156 return sprintf(buf, "%d\n", data->humidity); in humidity1_input_show()
287 MODULE_DESCRIPTION("Sensirion SHTC1 humidity and temperature sensor driver");
H A Dhwmon.c701 [hwmon_humidity_enable] = "humidity%d_enable",
702 [hwmon_humidity_input] = "humidity%d_input",
703 [hwmon_humidity_label] = "humidity%d_label",
704 [hwmon_humidity_min] = "humidity%d_min",
705 [hwmon_humidity_min_hyst] = "humidity%d_min_hyst",
706 [hwmon_humidity_max] = "humidity%d_max",
707 [hwmon_humidity_max_hyst] = "humidity%d_max_hyst",
708 [hwmon_humidity_alarm] = "humidity%d_alarm",
709 [hwmon_humidity_fault] = "humidity%d_fault",
710 [hwmon_humidity_rated_min] = "humidity%d_rated_min",
[all …]
/linux/Documentation/ABI/testing/
H A Dsysfs-class-hwmon923 Humidity limit detection
926 - 1: Humidity limit has been reached
944 Reports a humidity sensor failure.
953 Humidity
961 Suggested humidity channel label.
966 this humidity channel is being used for, and user-space
974 Humidity max value.
982 Maximum humidity detection
985 - 1: Maximum humidity detected
991 Humidity hysteresis value for max limit.
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H A Dsysfs-bus-iio-chemical-sgp4015 Set the relative humidity. This value is sent to the sensor for
16 humidity compensation.
17 Default value: 50000 (50 % relative humidity)
/linux/drivers/iio/common/ms_sensors/
H A Dms_sensors_i2c.c276 * @dev_data: pointer to temperature/humidity device data
306 * @dev_data: pointer to temperature/humidity device data
333 * @dev_data: pointer to temperature/humidity device data
360 * @dev_data: pointer to temperature/humidity device data
408 * @dev_data: pointer to temperature/humidity device data
448 * ms_sensors_ht_read_humidity() - Read humidity
449 * @dev_data: pointer to temperature/humidity device data
450 * @humidity: pointer to humidity destination value
452 * This function will get humidity ADC value from the device,
459 u32 *humidity) in ms_sensors_ht_read_humidity() argument
[all …]
H A Dms_sensors_i2c.h17 * struct ms_ht_dev - Humidity/Temperature sensor device structure
68 u32 *humidity);
/linux/Documentation/devicetree/bindings/iio/humidity/
H A Dti,hdc2010.yaml4 $id: http://devicetree.org/schemas/iio/humidity/ti,hdc2010.yaml#
7 title: HDC2010/HDC2080 humidity and temperature iio sensors
13 Relative humidity and temperature sensors on I2C bus
45 humidity@40 {
H A Ddht11.yaml4 $id: http://devicetree.org/schemas/iio/humidity/dht11.yaml#
7 title: DHT11 humidity + temperature sensor
37 humidity-sensor {
H A Dst,hts221.yaml4 $id: http://devicetree.org/schemas/iio/humidity/st,hts221.yaml#
7 title: HTS221 STM humidity + temperature sensor
13 Humidity and temperature sensor with I2C interface and data ready
/linux/drivers/iio/chemical/
H A DKconfig57 temperature, pressure, humidity and gas sensing capability.
139 dioxide, relative humidity and temperature sensing capabilities.
174 dioxide, relative humidity and temperature sensing capabilities.

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