| /kernel/linux/linux-5.10/drivers/video/backlight/ |
| D | pwm_bl.c | 1 // SPDX-License-Identifier: GPL-2.0-only
26 unsigned int *levels; member
35 int brightness);
37 int brightness);
47 pwm_get_state(pb->pwm, &state); in pwm_backlight_power_on()
48 if (pb->enabled) in pwm_backlight_power_on()
51 err = regulator_enable(pb->power_supply); in pwm_backlight_power_on()
53 dev_err(pb->dev, "failed to enable power supply\n"); in pwm_backlight_power_on()
56 pwm_apply_state(pb->pwm, &state); in pwm_backlight_power_on()
58 if (pb->post_pwm_on_delay) in pwm_backlight_power_on()
[all …]
|
| D | led_bl.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2015-2019 Texas Instruments Incorporated - http://www.ti.com/
20 unsigned int *levels; member
30 if (priv->levels) in led_bl_set_brightness()
31 bkl_brightness = priv->levels[level]; in led_bl_set_brightness()
35 for (i = 0; i < priv->nb_leds; i++) in led_bl_set_brightness()
36 led_set_brightness(priv->leds[i], bkl_brightness); in led_bl_set_brightness()
38 priv->enabled = true; in led_bl_set_brightness()
45 if (!priv->enabled) in led_bl_power_off()
48 for (i = 0; i < priv->nb_leds; i++) in led_bl_power_off()
[all …]
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| /kernel/linux/linux-6.6/drivers/video/backlight/ |
| D | pwm_bl.c | 1 // SPDX-License-Identifier: GPL-2.0-only
26 unsigned int *levels; member
34 int brightness);
36 int brightness);
45 if (pb->enabled) in pwm_backlight_power_on()
48 if (pb->power_supply) { in pwm_backlight_power_on()
49 err = regulator_enable(pb->power_supply); in pwm_backlight_power_on()
51 dev_err(pb->dev, "failed to enable power supply\n"); in pwm_backlight_power_on()
54 if (pb->post_pwm_on_delay) in pwm_backlight_power_on()
55 msleep(pb->post_pwm_on_delay); in pwm_backlight_power_on()
[all …]
|
| D | led_bl.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (C) 2015-2019 Texas Instruments Incorporated - http://www.ti.com/
20 unsigned int *levels; member
30 if (priv->levels) in led_bl_set_brightness()
31 bkl_brightness = priv->levels[level]; in led_bl_set_brightness()
35 for (i = 0; i < priv->nb_leds; i++) in led_bl_set_brightness()
36 led_set_brightness(priv->leds[i], bkl_brightness); in led_bl_set_brightness()
38 priv->enabled = true; in led_bl_set_brightness()
45 if (!priv->enabled) in led_bl_power_off()
48 for (i = 0; i < priv->nb_leds; i++) in led_bl_power_off()
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/leds/backlight/ |
| D | pwm-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: pwm-backlight bindings
10 - Lee Jones <lee.jones@linaro.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: pwm-backlight
21 pwm-names: true
[all …]
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| D | led-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: led-backlight bindings
10 - Lee Jones <lee.jones@linaro.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
21 const: led-backlight
25 $ref: /schemas/types.yaml#/definitions/phandle-array
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/leds/backlight/ |
| D | pwm-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/pwm-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: pwm-backlight
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
16 const: pwm-backlight
21 pwm-names: true
[all …]
|
| D | led-backlight.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/led-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: led-backlight
10 - Lee Jones <lee@kernel.org>
11 - Daniel Thompson <daniel.thompson@linaro.org>
12 - Jingoo Han <jingoohan1@gmail.com>
21 const: led-backlight
25 $ref: /schemas/types.yaml#/definitions/phandle-array
[all …]
|
| /kernel/linux/linux-5.10/drivers/acpi/ |
| D | acpi_video.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * video.c - ACPI Video Driver
7 * Copyright (C) 2006 Thomas Tuttle <linux-kernel@ttuttle.net>
53 static int disable_backlight_sysfs_if = -1;
58 static int report_key_events = -1;
61 "0: none, 1: output changes, 2: brightness changes, 3: all");
63 static int hw_changes_brightness = -1;
66 "Set this to 1 on buggy hw which changes the brightness itself when "
67 "a hotkey is pressed: -1: auto, 0: normal 1: hw-changes-brightness");
76 static int only_lcd = -1;
[all …]
|
| /kernel/linux/linux-6.6/drivers/acpi/ |
| D | acpi_video.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * video.c - ACPI Video Driver
7 * Copyright (C) 2006 Thomas Tuttle <linux-kernel@ttuttle.net>
52 static int report_key_events = -1;
55 "0: none, 1: output changes, 2: brightness changes, 3: all");
57 static int hw_changes_brightness = -1;
60 "Set this to 1 on buggy hw which changes the brightness itself when "
61 "a hotkey is pressed: -1: auto, 0: normal 1: hw-changes-brightness");
70 static int only_lcd = -1;
84 * the rest are all supported levels.
[all …]
|
| /kernel/linux/linux-5.10/Documentation/ABI/testing/ |
| D | sysfs-class-backlight-adp5520 | 2 ---------------------------------------------------------------
4 The backlight brightness control operates at three different levels for the
6 (level 3). By default the brightness operates at the daylight brightness level.
15 (RW) Maximum current setting for the backlight when brightness
16 is at one of the three levels (daylight, office or dark). This
18 value between 0 mA and 30 mA using linear or non-linear
28 (RW) Dim current setting for the backlight when brightness is at
29 one of the three levels (daylight, office or dark). This is an
31 between 0 mA and 30 mA using linear or non-linear algorithms.
|
| D | sysfs-class-backlight-adp8860 | 2 -----------------------------------------------------------
4 The backlight brightness control operates at three different levels for the
6 dark (level 3). By default the brightness operates at the daylight brightness
20 (RW) Maximum current setting for the backlight when brightness
21 is at one of the three levels (daylight, office or dark). This
23 value between 0 mA and 30 mA using linear or non-linear
34 (RW) Dim current setting for the backlight when brightness is at
35 one of the three levels (daylight, office or dark). This is an
37 between 0 mA and 30 mA using linear or non-linear algorithms.
|
| D | sysfs-class-led | 1 What: /sys/class/leds/<led>/brightness
6 Set the brightness of the LED.
8 Most LEDs don't have hardware brightness support, so will
9 just be turned on for non-zero brightness settings.
20 led_brightness = brightness * multi_intensity/max_brightness
23 Documentation/leds/leds-class-multicolor.rst.
30 Writing non-zero to this file while trigger is active changes the
31 top brightness trigger is going to use.
40 Maximum brightness level for this LED, default is 255 (LED_FULL).
42 If the LED does not support different brightness levels, this
[all …]
|
| /kernel/linux/linux-6.6/Documentation/firmware-guide/acpi/ |
| D | video_extension.rst | 1 .. SPDX-License-Identifier: GPL-2.0
26 Documentation/ABI/stable/sysfs-class-backlight.
32 get the brightness level the firmware thinks it is at;
34 not implemented, will set the current brightness instead;
35 brightness:
36 on write, control method _BCM will run to set the requested brightness level;
43 brightness, actual_brightness and max_brightness. So if we have
65 The first two levels are for when laptop are on AC or on battery and are
66 not used by Linux currently. The remaining 10 levels are supported levels
68 corresponds to the 0x0A brightness value) to 9 (that corresponds to the
[all …]
|
| /kernel/linux/linux-5.10/Documentation/firmware-guide/acpi/ |
| D | video_extension.rst | 1 .. SPDX-License-Identifier: GPL-2.0
26 Documentation/ABI/stable/sysfs-class-backlight.
32 get the brightness level the firmware thinks it is at;
34 not implemented, will set the current brightness instead;
35 brightness:
36 on write, control method _BCM will run to set the requested brightness level;
43 brightness, actual_brightness and max_brightness. So if we have
65 The first two levels are for when laptop are on AC or on battery and are
66 not used by Linux currently. The remaining 10 levels are supported levels
68 corresponds to the 0x0A brightness value) to 9 (that corresponds to the
[all …]
|
| /kernel/linux/linux-6.6/drivers/thermal/intel/int340x_thermal/ |
| D | int3406_thermal.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 * "Each brightness level is represented by a number between 0 and 100,
31 * power consumption or 50% brightness, as defined by the OEM."
35 * the percentage of brightness only
37 #define ACPI_TO_RAW(v, d) (d->raw_bd->props.max_brightness * v / 100)
38 #define RAW_TO_ACPI(v, d) (v * 100 / d->raw_bd->props.max_brightness)
44 struct int3406_thermal_data *d = cooling_dev->devdata; in int3406_thermal_get_max_state()
46 *state = d->upper_limit - d->lower_limit; in int3406_thermal_get_max_state()
54 struct int3406_thermal_data *d = cooling_dev->devdata; in int3406_thermal_set_cur_state()
57 if (state > d->upper_limit - d->lower_limit) in int3406_thermal_set_cur_state()
[all …]
|
| /kernel/linux/linux-5.10/drivers/thermal/intel/int340x_thermal/ |
| D | int3406_thermal.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 * "Each brightness level is represented by a number between 0 and 100,
31 * power consumption or 50% brightness, as defined by the OEM."
35 * the percentage of brightness only
37 #define ACPI_TO_RAW(v, d) (d->raw_bd->props.max_brightness * v / 100)
38 #define RAW_TO_ACPI(v, d) (v * 100 / d->raw_bd->props.max_brightness)
44 struct int3406_thermal_data *d = cooling_dev->devdata; in int3406_thermal_get_max_state()
46 *state = d->upper_limit - d->lower_limit; in int3406_thermal_get_max_state()
54 struct int3406_thermal_data *d = cooling_dev->devdata; in int3406_thermal_set_cur_state()
57 if (state > d->upper_limit - d->lower_limit) in int3406_thermal_set_cur_state()
[all …]
|
| /kernel/linux/linux-6.6/Documentation/ABI/testing/ |
| D | sysfs-class-led | 1 What: /sys/class/leds/<led>/brightness
6 Set the brightness of the LED.
8 Most LEDs don't have hardware brightness support, so will
9 just be turned on for non-zero brightness settings.
20 led_brightness = brightness * multi_intensity/max_brightness
23 Documentation/leds/leds-class-multicolor.rst.
30 Writing non-zero to this file while trigger is active changes the
31 top brightness trigger is going to use.
40 Maximum brightness level for this LED, default is 255 (LED_FULL).
42 If the LED does not support different brightness levels, this
[all …]
|
| /kernel/linux/linux-5.10/drivers/leds/ |
| D | leds-tca6507.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-tca6507
9 * blink or double-blink.
12 * out-only (pull-up resistor required) or as an LED with variable
13 * brightness and hardware-assisted blinking.
15 * Apart from OFF and ON there are three programmable brightness
16 * levels which can be programmed from 0 to 15 and indicate how many
17 * 500usec intervals in each 8msec that the led is 'on'. The levels
21 * with separate time for rise, on, fall, off and second-off. Thus if
22 * 3 or more different non-trivial rates are required, software must
[all …]
|
| /kernel/linux/linux-6.6/drivers/leds/ |
| D | leds-tca6507.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-tca6507
9 * blink or double-blink.
12 * out-only (pull-up resistor required) or as an LED with variable
13 * brightness and hardware-assisted blinking.
15 * Apart from OFF and ON there are three programmable brightness
16 * levels which can be programmed from 0 to 15 and indicate how many
17 * 500usec intervals in each 8msec that the led is 'on'. The levels
21 * with separate time for rise, on, fall, off and second-off. Thus if
22 * 3 or more different non-trivial rates are required, software must
[all …]
|
| /kernel/linux/linux-5.10/arch/arm64/boot/dts/allwinner/ |
| D | sun50i-a64-pinephone-1.1.dts | 1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
4 /dts-v1/;
6 #include "sun50i-a64-pinephone.dtsi"
10 compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64";
14 power-supply = <®_ldo_io0>;
18 * being off is around 20%. Duty cycle for the lowest brightness level
22 brightness-levels = <
28 num-interpolated-steps = <50>;
29 default-brightness-level = <400>;
|
| /kernel/linux/linux-5.10/Documentation/leds/ |
| D | leds-lm3556.rst | 6 1.5 A Synchronous Boost LED Flash Driver w/ High-Side Current Source
10 - Daniel Jeong
12 Contact:Daniel Jeong(daniel.jeong-at-ti.com, gshark.jeong-at-gmail.com)
15 -----------
21 In Flash Mode, the LED current source(LED) provides 16 target current levels
26 LM3556 Flash can be controlled through sys/class/leds/flash/brightness file
28 * if STROBE pin is enabled, below example control brightness only, and
35 #echo 0 > sys/class/leds/flash/brightness
39 #echo 1 > sys/class/leds/flash/brightness
45 #echo 16 > sys/class/leds/flash/brightness
[all …]
|
| D | leds-class-multicolor.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 via brightness file.
18 led_class framework. The led_class framework is documented in led-class.rst
34 root:/sys/class/leds/multicolor:status# ls -lR
35 -rw-r--r-- 1 root root 4096 Oct 19 16:16 brightness
36 -r--r--r-- 1 root root 4096 Oct 19 16:16 max_brightness
37 -r--r--r-- 1 root root 4096 Oct 19 16:16 multi_index
38 -rw-r--r-- 1 root root 4096 Oct 19 16:16 multi_intensity
40 Multicolor Class Brightness Control
42 The brightness level for each LED is calculated based on the color LED
[all …]
|
| /kernel/linux/linux-6.6/Documentation/leds/ |
| D | leds-class-multicolor.rst | 1 .. SPDX-License-Identifier: GPL-2.0
12 via brightness file.
18 led_class framework. The led_class framework is documented in led-class.rst
34 root:/sys/class/leds/multicolor:status# ls -lR
35 -rw-r--r-- 1 root root 4096 Oct 19 16:16 brightness
36 -r--r--r-- 1 root root 4096 Oct 19 16:16 max_brightness
37 -r--r--r-- 1 root root 4096 Oct 19 16:16 multi_index
38 -rw-r--r-- 1 root root 4096 Oct 19 16:16 multi_intensity
40 Multicolor Class Brightness Control
42 The brightness level for each LED is calculated based on the color LED
[all …]
|
| D | leds-lm3556.rst | 6 1.5 A Synchronous Boost LED Flash Driver w/ High-Side Current Source
10 - Daniel Jeong
12 Contact:Daniel Jeong(daniel.jeong-at-ti.com, gshark.jeong-at-gmail.com)
15 -----------
21 In Flash Mode, the LED current source(LED) provides 16 target current levels
26 LM3556 Flash can be controlled through /sys/class/leds/flash/brightness file
28 * if STROBE pin is enabled, below example control brightness only, and
35 #echo 0 > /sys/class/leds/flash/brightness
39 #echo 1 > /sys/class/leds/flash/brightness
45 #echo 16 > /sys/class/leds/flash/brightness
[all …]
|