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/Linux-v5.4/drivers/iio/light/
DKconfig11 tristate "ACPI Ambient Light Sensor"
18 Ambient Light Sensor.
36 tristate "AL3320A ambient light sensor"
40 ambient light sensor.
46 tristate "APDS9300 ambient light sensor"
50 ambient light sensor.
69 tristate "ROHM BH1750 ambient light sensor"
73 BH1750, BH1751 ambient light sensors.
79 tristate "ROHM BH1780 ambient light sensor"
82 Say Y here to build support for the ROHM BH1780GLI ambient
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Dvcnl4000.c3 * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4040/4200 combined ambient
38 #define VCNL4000_AL_PARAM 0x84 /* Ambient light parameter register */
39 #define VCNL4000_AL_RESULT_HI 0x85 /* Ambient light result register, MSB */
40 #define VCNL4000_AL_RESULT_LO 0x86 /* Ambient light result register, LSB */
46 #define VCNL4200_AL_CONF 0x00 /* Ambient light configuration */
49 #define VCNL4200_AL_DATA 0x09 /* Ambient light data */
385 dev_dbg(&client->dev, "%s Ambient light/proximity sensor, Rev: %02x\n", in vcnl4000_probe()
435 MODULE_DESCRIPTION("Vishay VCNL4000 proximity/ambient light sensor driver");
Dbh1780.c3 * ROHM 1780GLI Ambient Light Sensor Driver
176 "Ambient Light Sensor, Rev : %lu\n", in bh1780_probe()
297 MODULE_DESCRIPTION("ROHM BH1780GLI Ambient Light Sensor Driver");
/Linux-v5.4/Documentation/ABI/testing/
Dsysfs-class-backlight-driver-adp88701 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
11 Control the maximum brightness for <ambient light zone>
14 <ambient light zone>.
16 What: /sys/class/backlight/<backlight>/<ambient light zone>_dim
25 Control the dim brightness for <ambient light zone>
29 this <ambient light zone>.
39 8000 (max ambient brightness)
46 Get/Set current ambient light zone. Reading returns
49 to enter the corresponding ambient light zone.
50 Writing 0 returns to normal/automatic ambient light level
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Dsysfs-bus-iio-light-isl2901816 is less affected by the ambient IR noise variation.
18 0 Sensing IR from LED and ambient
19 1 Sensing IR from LED with ambient IR rejection
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.
Dsysfs-platform-dell-laptop8 illumination mode on some systems that have an ambient
19 as reported by the ambient light sensor.
/Linux-v5.4/drivers/sbus/char/
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 */
Dbbc_envctrl.c29 * for the ambient temperature.
33 * can be controlled independently for the cpu or ambient temperature.
149 type = "ambient"; in do_envctrl_shutdown()
177 "Above safe ambient operating temperature, %d C.\n", in analyze_ambient_temp()
183 "Below safe ambient operating temperature, %d C.\n", in analyze_ambient_temp()
/Linux-v5.4/drivers/misc/
DKconfig292 If you say yes here you get support for the ALS APDS9802 ambient
299 tristate "Intersil ISL29003 ambient light sensor"
303 ambient light sensor.
309 tristate "Intersil ISL29020 ambient light sensor"
313 ambient light sensor.
319 tristate "Taos TSL2550 ambient light sensor"
323 ambient light sensor.
333 SFH7770 (Osram) combined ambient light and proximity sensor chip.
343 combined ambient light and proximity sensor chip.
/Linux-v5.4/Documentation/devicetree/bindings/iio/light/
Dnoa1305.yaml7 title: ON Semiconductor NOA1305 Ambient Light Sensor
13 Ambient sensing with an i2c interface.
Dtsl2583.yaml7 title: AMS/TAOS Ambient Light Sensor (ALS)
13 Ambient light sensing with an i2c interface.
Dstk33xx.yaml8 Sensortek STK33xx I2C Ambient Light and Proximity sensor
14 Ambient light and proximity sensor over an i2c interface.
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
Dtsl2772.yaml7 title: AMS/TAOS Ambient Light Sensor (ALS) and Proximity Detector
13 Ambient light sensing and proximity detection with an i2c interface.
Dbh1750.txt1 ROHM BH1750 - ALS, Ambient light sensor
/Linux-v5.4/drivers/macintosh/
Dwindfarm_max6690_sensor.c80 if (!strcmp(loc, "BACKSIDE") || !strcmp(loc, "SYS CTRLR AMBIENT")) in wf_max6690_probe()
82 else if (!strcmp(loc, "NB Ambient")) in wf_max6690_probe()
84 else if (!strcmp(loc, "GPU Ambient")) in wf_max6690_probe()
/Linux-v5.4/Documentation/devicetree/bindings/iio/temperature/
Dmlx90632.txt9 industrial applications. Since it can operate and measure ambient temperature
12 Be aware that electronics surrounding the sensor can increase ambient
/Linux-v5.4/drivers/video/backlight/
Dadp8860_bl.c57 #define ADP8860_PH1LEVL 0x21 /* First phototransistor ambient light level-low byte register */
58 #define ADP8860_PH1LEVH 0x22 /* First phototransistor ambient light level-high byte register */
59 #define ADP8860_PH2LEVL 0x23 /* Second phototransistor ambient light level-low byte register */
60 #define ADP8860_PH2LEVH 0x24 /* Second phototransistor ambient light level-high byte register */
332 /* Disable Ambient Light auto adjust */ in adp8860_bl_set()
338 * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust in adp8860_bl_set()
617 /* Enable automatic ambient light sensing */ in adp8860_bl_ambient_light_zone_store()
620 /* Disable automatic ambient light sensing */ in adp8860_bl_ambient_light_zone_store()
623 /* Set user supplied ambient light zone */ in adp8860_bl_ambient_light_zone_store()
Dadp8870_bl.c74 #define ADP8870_PH1LEVL 0x40 /* First phototransistor ambient light level-low byte register */
75 #define ADP8870_PH1LEVH 0x41 /* First phototransistor ambient light level-high byte register */
76 #define ADP8870_PH2LEVL 0x42 /* Second phototransistor ambient light level-low byte register */
77 #define ADP8870_PH2LEVH 0x43 /* Second phototransistor ambient light level-high byte register */
358 /* Disable Ambient Light auto adjust */ in adp8870_bl_set()
368 * MAX_BRIGHTNESS -> Enable Ambient Light auto adjust in adp8870_bl_set()
801 /* Enable automatic ambient light sensing */ in adp8870_bl_ambient_light_zone_store()
804 /* Disable automatic ambient light sensing */ in adp8870_bl_ambient_light_zone_store()
807 /* Set user supplied ambient light zone */ in adp8870_bl_ambient_light_zone_store()
/Linux-v5.4/Documentation/hwmon/
Dibm-cffps.rst51 temp1_alarm PSU inlet ambient temperature over-temperature alarm.
52 temp1_input Measured PSU inlet ambient temp in millidegrees C.
Dibmpowernv.rst39 tempX_input Measured ambient temperature.
40 tempX_max Threshold ambient temperature for alert generation.
/Linux-v5.4/Documentation/devicetree/bindings/
Dtrivial-devices.yaml59 # CM32181: Ambient Light Sensor
61 # CM3232: Ambient Light Sensor
109 # Intersil ISL29028 Ambient Light and Proximity Sensor
111 # Intersil ISL29030 Ambient Light and Proximity Sensor
327 # Ambient Light Sensor with SMBUS/Two Wire Serial Interface
/Linux-v5.4/tools/testing/selftests/capabilities/
Dtest_execve.c207 bool eff, bool perm, bool inh, bool ambient) in exec_other_validate_cap() argument
210 (perm ? "1" : "0"), (inh ? "1" : "0"), (ambient ? "1" : "0"), in exec_other_validate_cap()
215 static void exec_validate_cap(bool eff, bool perm, bool inh, bool ambient) in exec_validate_cap() argument
217 exec_other_validate_cap("./validate_cap", eff, perm, inh, ambient); in exec_validate_cap()
284 /* We should not be able to add ambient caps yet. */ in do_tests()
/Linux-v5.4/Documentation/devicetree/bindings/leds/
Dleds-lm3532.txt1 * Texas Instruments - lm3532 White LED driver with ambient light sensing
10 The main features of the LM3532 include dual ambient light sensor inputs

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