Searched full:backlight (Results 1 – 25 of 122) sorted by relevance
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| /Documentation/ABI/testing/ |
| D | sysfs-class-backlight-driver-adp8870 | 1 See also /sys/class/backlight/<backlight>/ambient_light_level and
2 /sys/class/backlight/<backlight>/ambient_light_zone.
4 What: /sys/class/backlight/<backlight>/<ambient light zone>_max
5 What: /sys/class/backlight/<backlight>/l1_daylight_max
6 What: /sys/class/backlight/<backlight>/l2_bright_max
7 What: /sys/class/backlight/<backlight>/l3_office_max
8 What: /sys/class/backlight/<backlight>/l4_indoor_max
9 What: /sys/class/backlight/<backlight>/l5_dark_max
15 on this <backlight>. Values are between 0 and 127. This file
19 What: /sys/class/backlight/<backlight>/<ambient light zone>_dim
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| D | sysfs-class-backlight-adp8860 | 1 sysfs interface for analog devices adp8860 backlight driver
4 The backlight brightness control operates at three different levels for the
9 See also /sys/class/backlight/<backlight>/ambient_light_level and
10 /sys/class/backlight/<backlight>/ambient_light_zone.
13 What: /sys/class/backlight/<backlight>/l1_daylight_max
14 What: /sys/class/backlight/<backlight>/l2_office_max
15 What: /sys/class/backlight/<backlight>/l3_dark_max
20 (RW) Maximum current setting for the backlight when brightness
27 What: /sys/class/backlight/<backlight>/l1_daylight_dim
28 What: /sys/class/backlight/<backlight>/l2_office_dim
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| D | sysfs-class-backlight-adp5520 | 1 sysfs interface for analog devices adp5520(01) backlight driver
4 The backlight brightness control operates at three different levels for the
8 What: /sys/class/backlight/<backlight>/daylight_max
9 What: /sys/class/backlight/<backlight>/office_max
10 What: /sys/class/backlight/<backlight>/dark_max
15 (RW) Maximum current setting for the backlight when brightness
21 What: /sys/class/backlight/<backlight>/daylight_dim
22 What: /sys/class/backlight/<backlight>/office_dim
23 What: /sys/class/backlight/<backlight>/dark_dim
28 (RW) Dim current setting for the backlight when brightness is at
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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 | 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.
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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 | gpio-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/gpio-backlight.yaml#
7 title: gpio-backlight bindings
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 | led-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
7 title: led-backlight bindings
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
31 backlight brightness level into a LED brightness level. If it is not
49 backlight {
50 compatible = "led-backlight";
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| D | kinetic,ktd253.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/kinetic,ktd253.yaml#
7 title: Kinetic Technologies KTD253 one-wire backlight
13 The Kinetic Technologies KTD253 is a white LED backlight that is
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
27 description: GPIO to use to enable/disable and dim the backlight.
42 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 | pwm-backlight.yaml | 4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
7 title: pwm-backlight bindings
16 const: pwm-backlight
29 the backlight.
35 backlight using GPIO.
39 Delay in ms between disabling the backlight using GPIO and setting PWM
77 backlight {
78 compatible = "pwm-backlight";
92 backlight {
93 compatible = "pwm-backlight";
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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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| /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/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 | 42 backlight: true
59 backlight: backlight {
60 compatible = "gpio-backlight";
75 backlight = <&backlight>;
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| D | himax,hx8357d.txt | 16 - backlight: phandle of the backlight device attached to the panel
25 backlight = <&backlight>;
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| D | ilitek,ili9341.txt | 16 - backlight: phandle of the backlight device attached to the panel
26 backlight = <&backlight>;
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| D | multi-inno,mi0283qt.txt | 16 - backlight: phandle of the backlight device attached to the panel
26 backlight = <&backlight>;
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| /Documentation/devicetree/bindings/pwm/ |
| D | pwm.txt | 26 The following example could be used to describe a PWM-based backlight
35 bl: backlight {
37 pwm-names = "backlight";
41 because the name "backlight" would be used as fallback anyway.
52 bl: backlight {
54 pwm-names = "backlight";
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