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/linux/drivers/iio/chemical/
H A Dsgp40.c19 * 2) calculate an estimated absolute voc index (in_concentration_input)
21 * For this purpose the value of the resistance for which the voc index
24 * The voc index is calculated as:
40 * floating point calculation of voc is done as integer
145 static int sgp40_calc_voc(struct sgp40_data *data, u16 resistance_raw, int *voc) in sgp40_calc_voc() argument
155 /* voc = 500 / (1 + e^x) */ in sgp40_calc_voc()
157 *voc = 500 * ((1 << (SGP40_CALC_POWER * 2)) / ((1<<SGP40_CALC_POWER) + exp)); in sgp40_calc_voc()
159 dev_dbg(data->dev, "raw: %d res_calibbias: %d x: %d exp: %d voc: %d\n", in sgp40_calc_voc()
160 resistance_raw, data->res_calibbias, x, exp, *voc); in sgp40_calc_voc()
220 int ret, voc; in sgp40_read_raw() local
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H A DKconfig73 tristate "AMS CCS811 VOC sensor"
79 CCS811 VOC (Volatile Organic Compounds) sensor
104 tristate "AMS iAQ-Core VOC sensors"
108 iAQ-Core Continuous/Pulsed VOC (Volatile Organic Compounds)
233 tristate "SGX Sensortech MiCS VZ89X VOC sensor"
237 Sensortech MiCS VZ89X VOC (Volatile Organic Compounds)
H A Dams-iaq-core.c3 * ams-iaq-core.c - Support for AMS iAQ-Core VOC sensors
188 MODULE_DESCRIPTION("AMS iAQ-Core VOC sensors");
H A Dccs811.c3 * ccs811.c - Support for AMS CCS811 VOC Sensor
68 __be16 voc; member
254 *val = be16_to_cpu(data->buffer.voc); in ccs811_read_raw()
H A Dvz89x.c3 * vz89x.c - Support for SGX Sensortech MiCS VZ89X VOC sensors
405 MODULE_DESCRIPTION("SGX Sensortech MiCS VZ89X VOC sensors");
H A Dens160_core.c130 /* The sensor reads VOC data as ppb */ in ens160_read_raw()
/linux/Documentation/devicetree/bindings/iio/chemical/
H A Daosong,ags02ma.yaml7 title: Aosong AGS02MA VOC Sensor
42 voc-sensor@1a {
H A Dams,ccs811.yaml7 title: AMS CCS811 VOC Sensor
45 voc@5b {
/linux/Documentation/ABI/testing/
H A Dsysfs-bus-iio-chemical-vz89x6 Get the raw calibration VOC value from the sensor.
/linux/drivers/reset/
H A Dreset-uniphier.c151 UNIPHIER_RESETX(52, 0x2010, 0), /* VOC */
/linux/drivers/clk/uniphier/
H A Dclk-uniphier-sys.c324 UNIPHIER_CLK_GATE("voc", 52, NULL, 0x2110, 0),
/linux/arch/s390/tools/
H A Dopcodes.txt986 e76f voc VRR_VVV
/linux/drivers/media/i2c/cx25840/
H A Dcx25840-core.c608 #define CX25840_VCONFIG_SET_BIT(state, opt_msk, voc, idx, bit, oneval) \ argument
613 (voc)[idx] |= BIT(bit); \
615 (voc)[idx] &= ~BIT(bit); \