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Searched refs:humidity (Results 1 – 25 of 44) sorted by relevance

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/openbmc/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 "TI HDC100x relative humidity and temperature sensor"
36 humidity and temperature sensors.
42 tristate "TI HDC2010 relative humidity and temperature sensor"
46 HDC2010 and HDC2080 relative humidity and temperature sensors.
52 tristate "HID Environmental humidity sensor"
59 humidity driver
62 will be called hid-sensor-humidity.
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H A Ddht11.c82 int humidity; member
154 dht11->humidity = ((hum_int << 8) + hum_dec) * 100; in dht11_decode()
157 dht11->humidity = hum_int * 1000; in dht11_decode()
265 *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 DMakefile10 obj-$(CONFIG_HID_SENSOR_HUMIDITY) += hid-sensor-humidity.o
/openbmc/linux/Documentation/hwmon/
H A Dsht3x.rst22 This driver implements support for the Sensirion SHT3x-DIS chip, a humidity
24 humidity is expressed as a percentage. In the sysfs interface, all values are
48 with the configured update interval on the chip. When a temperature or humidity
51 When the temperature and humidity readings move back between the hysteresis
60 humidity1_input: humidity input
63 humidity1_max: humidity max value
64 humidity1_max_hyst: humidity hysteresis value for max limit
67 humidity1_min: humidity min value
68 humidity1_min_hyst: humidity hysteresis value for min limit
71 humidity1_alarm: alarm flag is set to 1 if the humidity is outside the
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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.rst37 The SHT21 and SHT25 are humidity and temperature sensors in a DFN package of
39 devices is the higher level of precision of the SHT25 (1.8% relative humidity,
40 0.2 degree Celsius) compared with the SHT21 (2.0% relative humidity,
54 - humidity input
61 The driver uses the default resolution settings of 12 bit for humidity and 14
63 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 Dhih6130.rst22 The HIH-6130 & HIH-6131 are humidity and temperature sensors in a SO8 package.
40 humidity input
/openbmc/linux/drivers/hwmon/
H A Dsht3x.c155 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT | HWMON_H_MIN |
180 u32 humidity; member
279 data->humidity = sht3x_extract_humidity(val); in sht3x_update_client()
308 return data->humidity; in humidity1_input_read()
319 u32 humidity; in limits_update() local
336 humidity = sht3x_extract_humidity(raw & 0xfe00); in limits_update()
338 data->humidity_limits[index] = humidity; in limits_update()
364 u32 humidity) in limit_write() argument
385 raw |= ((humidity * 42950) >> 16) & 0xfe00; in limit_write()
402 data->humidity_limits[index] = humidity; in limit_write()
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H A Dhs3001.c48 u32 humidity; /* in milli % */ member
93 data->humidity = in hs3001_data_fetch_command()
147 *val = data->humidity; in hs3001_read()
162 HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT),
H A Dsht4x.c64 s32 humidity; member
120 data->humidity = ((15625 * (int32_t)rh_ticks) >> 13) - 6000; in sht4x_read_values()
167 *val = data->humidity; in sht4x_humidity1_read()
220 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.c92 int humidity; member
210 data->humidity = hum; in aht10_read_values()
266 *val = data->humidity; in aht10_humidity1_read()
317 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 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()
/openbmc/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-bus-iio-humidity6 Controls the heater device within the humidity sensor to get
/openbmc/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);
/openbmc/linux/drivers/iio/chemical/
H A DKconfig44 temperature, pressure, humidity and gas sensing capability.
94 dioxide, relative humidity and temperature sensing capabilities.
129 dioxide, relative humidity and temperature sensing capabilities.
/openbmc/openbmc/meta-facebook/meta-bletchley/recipes-kernel/linux/linux-aspeed/
H A Dbletchley.cfg19 # humidity and temperature sensor
/openbmc/linux/arch/arm/boot/dts/st/
H A Dstm32mp151a-prtt1s.dts28 humidity-sensor@40 {

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