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/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 Dsht21.rst43 The SHT21 and SHT25 are humidity and temperature sensors in a DFN package of
45 devices is the higher level of precision of the SHT25 (1.8% relative humidity,
46 0.2 degree Celsius) compared with the SHT21 (2.0% relative humidity,
65 The driver uses the default resolution settings of 12 bit for humidity and 14
67 humidity and 66 ms for temperature. To keep self heating below 0.1 degree
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 Dsht4x.rst24 This driver implements support for the Sensirion SHT4x chip, a humidity
26 humidity is expressed as a percentage. In sysfs interface, all values are
41 humidity1_input Measured humidity in %H
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 Dhtu31.rst23 HTU31 is a humidity and temperature sensor.
35 humidity1_input: humidity input
H A Dhih6130.rst22 The HIH-6130 & HIH-6131 are humidity and temperature sensors in a SO8 package.
40 humidity input
/linux/drivers/iio/humidity/
H A DKconfig3 # humidity sensor drivers
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.
63 tristate "TI HDC3020 relative humidity and temperature sensor"
[all …]
H A Ddht11.c81 int humidity; member
153 dht11->humidity = ((hum_int << 8) + hum_dec) * 100; in dht11_decode()
156 dht11->humidity = hum_int * 1000; in dht11_decode()
264 *val = dht11->humidity; in dht11_read_raw()
H A Dhtu21.c44 unsigned int humidity; in htu21_read_raw() local
60 &humidity); in htu21_read_raw()
63 *val = humidity; in htu21_read_raw()
H A DMakefile12 obj-$(CONFIG_HID_SENSOR_HUMIDITY) += hid-sensor-humidity.o
/linux/Documentation/ABI/testing/
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)
H A Dsysfs-class-hwmon944 Reports a humidity sensor failure.
961 Suggested humidity channel label.
966 this humidity channel is being used for, and user-space
982 Maximum humidity detection
985 - 1: Maximum humidity detected
995 Must be reported as an absolute humidity, NOT a delta
1010 Minimum humidity detection
1013 - 1: Minimum humidity detected
1023 Must be reported as an absolute humidity, NOT a delta
1030 Minimum rated humidity.
[all …]
H A Dsysfs-bus-iio-humidity6 Controls the heater device within the humidity sensor to get
/linux/drivers/hwmon/
H A Dhs3001.c47 u32 humidity; /* in milli % */ member
92 data->humidity = in hs3001_data_fetch_command()
141 *val = data->humidity; in hs3001_read()
156 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
H A Dhih6130.c41 int humidity; member
138 hih6130->humidity = hih6130_rh_ticks_to_per_cent_mille(t); in hih6130_update_measurements()
192 return sprintf(buf, "%d\n", hih6130->humidity); in hih6130_humidity_show()
H A Daht10.c91 int humidity; member
202 data->humidity = hum; in aht10_read_values()
257 *val = data->humidity; in aht10_humidity1_read()
308 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
H A Dhtu31.c55 long humidity; member
126 data->humidity = htu31_relative_humidity(be16_to_cpup((__be16 *)&t_h_buf[3])); in htu31_data_fetch_command()
164 *val = data->humidity; in htu31_read()
269 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
H A Dsht21.c43 int humidity; member
106 sht21->humidity = sht21_rh_ticks_to_per_cent_mille(ret); in sht21_update_measurements()
156 return sprintf(buf, "%d\n", sht21->humidity); in sht21_humidity_show()
H A Dsht4x.c78 s32 humidity; member
141 data->humidity = ((15625 * (int32_t)rh_ticks) >> 13) - 6000; in sht4x_read_values()
184 *val = data->humidity; in sht4x_humidity1_read()
368 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
H A Dshtc1.c68 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()
/linux/drivers/iio/common/ms_sensors/
H A Dms_sensors_i2c.c459 u32 *humidity) in ms_sensors_ht_read_humidity() argument
482 *humidity = (((s32)(adc >> 8) * 12500) >> 16) * 10 - 6000; in ms_sensors_ht_read_humidity()
483 if (*humidity >= 100000) in ms_sensors_ht_read_humidity()
484 *humidity = 100000; in ms_sensors_ht_read_humidity()
H A Dms_sensors_i2c.h68 u32 *humidity);
/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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