Searched full:backlight (Results 1 – 25 of 160) sorted by relevance
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| /Documentation/ABI/testing/ |
| D | sysfs-class-backlight | 1 What: /sys/class/backlight/<backlight>/scale
28 What: /sys/class/backlight/<backlight>/ambient_light_level
49 What: /sys/class/backlight/<backlight>/ambient_light_zone
57 backlight operates.
64 0 Off: Backlight set to 0 mA
73 0 Off: Backlight set to 0 mA
85 /sys/class/backlight/<backlight>/max_brightness to
86 /sys/class/backlight/<backlight>/brightness.
88 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
94 on this <backlight>. Values are between 0 and 127. This file
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| D | sysfs-class-backlight-driver-lm3533 | 1 What: /sys/class/backlight/<backlight>/als_channel
10 0 out_current0 (backlight 0)
11 1 out_current1 (backlight 1)
14 What: /sys/class/backlight/<backlight>/als_en
21 What: /sys/class/backlight/<backlight>/id
26 Get the id of this backlight (0, 1).
28 What: /sys/class/backlight/<backlight>/linear
40 What: /sys/class/backlight/<backlight>/pwm
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| D | sysfs-class-backlight-lm3639 | 1 sysfs interface for Texas Instruments lm3639 backlight + flash led driver chip
4 What: /sys/class/backlight/<backlight>/bled_mode
9 (WO) Write to the backlight mapping mode. The backlight current
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| /Documentation/ABI/stable/ |
| D | sysfs-class-backlight | 1 What: /sys/class/backlight/<backlight>/bl_power
6 Control BACKLIGHT power, values are FB_BLANK_* from fb.h
12 What: /sys/class/backlight/<backlight>/brightness
17 Control the brightness for this <backlight>. Values
23 What: /sys/class/backlight/<backlight>/actual_brightness
31 What: /sys/class/backlight/<backlight>/max_brightness
36 Maximum brightness for <backlight>.
39 What: /sys/class/backlight/<backlight>/type
44 The type of interface controlled by <backlight>.
49 In the general case, when multiple backlight
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| /Documentation/devicetree/bindings/leds/backlight/ |
| D | mediatek,mt6370-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backlight.yaml#
7 title: MediaTek MT6370 Backlight
14 The MT6370 Backlight WLED driver supports up to a 29V output voltage for
26 - mediatek,mt6370-backlight
27 - mediatek,mt6372-backlight
36 description: External backlight 'enable' pin
41 Enable external PWM input for backlight dimming
46 Enable the backlight input-hysteresis for PWM mode
53 The selection of the upper and lower bounds threshold of backlight
59 Enable the backlight shutdown when OVP level triggered
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| D | gpio-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/gpio-backlight.yaml#
7 title: gpio-backlight
16 const: gpio-backlight
19 description: The gpio that is used for enabling/disabling the backlight.
23 description: enable the backlight at boot.
35 backlight {
36 compatible = "gpio-backlight";
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| D | richtek,rt4831-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#
7 title: Richtek RT4831 Backlight
14 and LCD backlight.
16 For the LCD backlight, it can provide four channel WLED driving capability.
27 const: richtek,rt4831-backlight
39 Specify the backlight dimming following by PWM duty or by SW control.
44 Backlight OVP level selection, currently support 17V/21V/25V/29V.
52 Backlight over current protection level.
57 Backlight LED channel to be used.
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| D | led-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
7 title: led-backlight
15 This binding is used to describe a basic backlight device made of LEDs. It
16 can also be used to describe a backlight device controlled by the output of
21 const: led-backlight
33 backlight brightness level into a LED brightness level. If it is not
51 backlight {
52 compatible = "led-backlight";
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| D | zii,rave-sp-backlight.txt | 1 Zodiac Inflight Innovations RAVE Supervisory Processor Backlight Bindings
3 RAVE SP backlight device is a "MFD cell" device corresponding to
4 backlight functionality of RAVE Supervisory Processor. It is expected
11 - compatible: Should be "zii,rave-sp-backlight"
19 backlight {
20 compatible = "zii,rave-sp-backlight";
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| D | sky81452-backlight.txt | 1 SKY81452-backlight bindings
4 - compatible : Must be "skyworks,sky81452-backlight"
7 - name : Name of backlight device. Default is 'lcd-backlight'.
22 backlight {
23 compatible = "skyworks,sky81452-backlight";
24 name = "pwm-backlight";
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| D | 88pm860x.txt | 1 88pm860x-backlight bindings
4 - marvell,88pm860x-iset: Current supplies on backlight device.
5 - marvell,88pm860x-pwm: PWM frequency on backlight device.
10 backlight-0 {
14 backlight-2 {
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| D | kinetic,ktd253.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml#
7 title: Kinetic Technologies KTD253 and KTD259 one-wire backlight
14 controlled by a single GPIO line. If you just turn on the backlight
15 it goes to maximum backlight then you can set the level of backlight
30 description: GPIO to use to enable/disable and dim the backlight.
45 backlight {
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| D | pwm-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
7 title: pwm-backlight
16 const: pwm-backlight
29 the backlight.
35 backlight using GPIO.
39 Delay in ms between disabling the backlight using GPIO and setting PWM
76 backlight {
77 compatible = "pwm-backlight";
91 backlight {
92 compatible = "pwm-backlight";
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| D | lp855x-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/lp855x-backlight.yaml#
7 title: Texas Instruments LP855X backlight controllers
33 description: Backlight device name.
37 description: Initial value of backlight brightness.
48 PWM channel to use for controlling the backlight; setting this
49 enables the PWM-based backlight control mode.
87 backlight@2c {
120 backlight@2c {
134 backlight@2c {
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| /Documentation/gpu/ |
| D | backlight.rst | 2 Backlight support
5 .. kernel-doc:: drivers/video/backlight/backlight.c
8 .. kernel-doc:: include/linux/backlight.h
11 .. kernel-doc:: drivers/video/backlight/backlight.c
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| /Documentation/devicetree/bindings/mfd/ |
| D | sky81452.txt | 8 - backlight : container node for backlight following the binding
9 in leds/backlight/sky81452-backlight.txt
19 backlight {
20 compatible = "skyworks,sky81452-backlight";
21 name = "pwm-backlight";
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| D | ti-lmu.txt | 7 LM3631 Backlight and regulator
8 LM3632 Backlight and regulator
9 LM3633 Backlight, LED and fault monitor
10 LM3695 Backlight
11 LM36274 Backlight and regulator
47 - backlight: All LMU devices have backlight child nodes.
60 [1] ../leds/backlight/ti-lmu-backlight.txt
106 backlight {
107 compatible = "ti,lm3631-backlight";
148 backlight {
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| D | richtek,rt4831.yaml | 7 title: Richtek RT4831 DSV and Backlight Integrated IC
14 and LCD backlight.
19 For the LCD backlight, it can provide four channel WLED driving capability.
42 backlight:
43 $ref: ../leds/backlight/richtek,rt4831-backlight.yaml
53 #include <dt-bindings/leds/rt4831-backlight.h>
82 backlight {
83 compatible = "richtek,rt4831-backlight";
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| /Documentation/firmware-guide/acpi/ |
| D | video_extension.rst | 14 The ACPI video driver does 3 things regarding backlight control.
16 Export a sysfs interface for user space to control backlight level
20 command line is not present, the driver will register a backlight device
21 and set the required backlight operation structure for it for the sysfs
23 directory named acpi_videoX under /sys/class/backlight.
25 The backlight sysfs interface has a standard definition here:
26 Documentation/ABI/stable/sysfs-class-backlight.
42 Note that ACPI video backlight driver will always use index for
108 Once user space tool receives this event, it can modify the backlight
111 Change backlight level in the kernel
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| /Documentation/devicetree/bindings/leds/ |
| D | leds-lm36274.txt | 1 * Texas Instruments LM36274 4-Channel LCD Backlight Driver w/Integrated Bias
4 The backlight boost provides the power to bias four parallel LED strings with
14 Required backlight properties:
16 "ti,lm36274-backlight"
24 Optional backlight properties:
70 backlight {
73 compatible = "ti,lm36274-backlight";
79 linux,default-trigger = "backlight";
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| /Documentation/devicetree/bindings/chrome/ |
| D | google,cros-kbd-led-backlight.yaml | 4 $id: http://devicetree.org/schemas/chrome/google,cros-kbd-led-backlight.yaml#
7 title: ChromeOS keyboard backlight LED driver.
14 const: google,cros-kbd-led-backlight
32 kbd-led-backlight {
33 compatible = "google,cros-kbd-led-backlight";
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| /Documentation/devicetree/bindings/display/panel/ |
| D | ilitek,ili9163.yaml | 34 backlight: true
51 backlight: backlight {
52 compatible = "gpio-backlight";
66 backlight = <&backlight>;
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| D | samsung,s6d7aa0.yaml | 29 backlight:
31 Backlight to use for the panel. If this property is set on panels
32 that have DSI-based backlight control (LSL080AL03 and LTL101AT01),
33 it overrides the DSI-based backlight.
66 backlight = <&backlight>;
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| /Documentation/devicetree/bindings/display/ |
| D | ilitek,ili9486.yaml | 36 backlight: true
53 backlight: backlight {
54 compatible = "gpio-backlight";
69 backlight = <&backlight>;
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| D | sitronix,st7735r.yaml | 40 backlight: true
57 backlight: backlight {
58 compatible = "gpio-backlight";
73 backlight = <&backlight>;
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