| /kernel/linux/linux-5.10/arch/powerpc/platforms/powermac/ |
| D | backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 2006 Michael Hanselmann <linux-kernel@hansmi.ch>
36 /* The via-pmu code allows the backlight to be grabbed, in which case the
37 * in-kernel control of the brightness needs to be disabled. This should
65 "backlight-control", NULL); in pmac_has_backlight_type()
78 int level = (FB_BACKLIGHT_LEVELS - 1); in pmac_backlight_curve_lookup()
80 if (info && info->bl_dev) { in pmac_backlight_curve_lookup()
81 int i, max = 0; in pmac_backlight_curve_lookup() local
85 max = max((int)info->bl_curve[i], max); in pmac_backlight_curve_lookup()
89 int diff = abs(info->bl_curve[i] - value); in pmac_backlight_curve_lookup()
[all …]
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| /kernel/linux/linux-6.6/arch/powerpc/platforms/powermac/ |
| D | backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
7 * Copyright (C) 2006 Michael Hanselmann <linux-kernel@hansmi.ch>
35 /* The via-pmu code allows the backlight to be grabbed, in which case the
36 * in-kernel control of the brightness needs to be disabled. This should
64 "backlight-control", NULL); in pmac_has_backlight_type()
77 int level = (FB_BACKLIGHT_LEVELS - 1); in pmac_backlight_curve_lookup()
79 if (info && info->bl_dev) { in pmac_backlight_curve_lookup()
80 int i, max = 0; in pmac_backlight_curve_lookup() local
84 max = max((int)info->bl_curve[i], max); in pmac_backlight_curve_lookup()
88 int diff = abs(info->bl_curve[i] - value); in pmac_backlight_curve_lookup()
[all …]
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/leds/ |
| D | leds-netxbig.txt | 5 - compatible: "lacie,netxbig-leds".
6 - gpio-ext: Phandle for the gpio-ext bus.
9 - timers: Timer array. Each timer entry is represented by three integers:
10 Mode (gpio-ext bus), delay_on and delay_off.
12 Each LED is represented as a sub-node of the netxbig-leds device.
14 Required sub-node properties:
15 - mode-addr: Mode register address on gpio-ext bus.
16 - mode-val: Mode to value mapping. Each entry is represented by two integers:
17 A mode and the corresponding value on the gpio-ext bus.
18 - bright-addr: Brightness register address on gpio-ext bus.
[all …]
|
| D | leds-pwm.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Pavel Machek <pavel@ucw.cz>
13 Each LED is represented as a sub-node of the pwm-leds device. Each
18 const: pwm-leds
21 "^led(-[0-9a-f]+)?$":
30 pwm-names: true
32 max-brightness:
[all …]
|
| D | leds-trigger-pattern.txt | 3 The pattern is given by a series of tuples, of brightness and duration (ms).
4 The LED is expected to traverse the series and each brightness value for the
5 specified duration. Duration of 0 means brightness should immediately change to
10 change of brightness, i.e. the subsequent brightness will be applied without
19 It will make the LED go gradually from zero-intensity to max (255) intensity in
22 LED brightness
24 255-| / \ / \ /
28 0-| / \/ \/
29 +---0----1----2----3----4----5----6------------> time (s)
31 2. To make the LED go instantly from one brightness value to another, we should
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/leds/ |
| D | leds-netxbig.txt | 5 - compatible: "lacie,netxbig-leds".
6 - gpio-ext: Phandle for the gpio-ext bus.
9 - timers: Timer array. Each timer entry is represented by three integers:
10 Mode (gpio-ext bus), delay_on and delay_off.
12 Each LED is represented as a sub-node of the netxbig-leds device.
14 Required sub-node properties:
15 - mode-addr: Mode register address on gpio-ext bus.
16 - mode-val: Mode to value mapping. Each entry is represented by two integers:
17 A mode and the corresponding value on the gpio-ext bus.
18 - bright-addr: Brightness register address on gpio-ext bus.
[all …]
|
| D | leds-trigger-pattern.txt | 3 The pattern is given by a series of tuples, of brightness and duration (ms).
4 The LED is expected to traverse the series and each brightness value for the
5 specified duration. Duration of 0 means brightness should immediately change to
10 change of brightness, i.e. the subsequent brightness will be applied without
19 It will make the LED go gradually from zero-intensity to max (255) intensity in
22 LED brightness
24 255-| / \ / \ /
28 0-| / \/ \/
29 +---0----1----2----3----4----5----6------------> time (s)
31 2. To make the LED go instantly from one brightness value to another, we should
[all …]
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| /kernel/linux/linux-6.6/drivers/video/backlight/ |
| D | ktd253-backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Based on code and know-how from the Samsung GT-S7710
40 gpiod_set_value_cansleep(ktd253->gpiod, 1); in ktd253_backlight_set_max_ratio()
63 gpiod_set_value(ktd253->gpiod, 0); in ktd253_backlight_stepdown()
65 gpiod_set_value(ktd253->gpiod, 1); in ktd253_backlight_stepdown()
66 ns = ktime_get_ns() - ns; in ktd253_backlight_stepdown()
68 dev_err(ktd253->dev, "PCM on backlight took too long (%llu ns)\n", ns); in ktd253_backlight_stepdown()
69 return -EAGAIN; in ktd253_backlight_stepdown()
78 int brightness = backlight_get_brightness(bl); in ktd253_backlight_update_status() local
80 u16 current_ratio = ktd253->ratio; in ktd253_backlight_update_status()
[all …]
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| /kernel/linux/linux-5.10/drivers/video/backlight/ |
| D | ktd253-backlight.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * Based on code and know-how from the Samsung GT-S7710
40 gpiod_set_value_cansleep(ktd253->gpiod, 1); in ktd253_backlight_set_max_ratio()
63 gpiod_set_value(ktd253->gpiod, 0); in ktd253_backlight_stepdown()
65 gpiod_set_value(ktd253->gpiod, 1); in ktd253_backlight_stepdown()
66 ns = ktime_get_ns() - ns; in ktd253_backlight_stepdown()
68 dev_err(ktd253->dev, "PCM on backlight took too long (%llu ns)\n", ns); in ktd253_backlight_stepdown()
69 return -EAGAIN; in ktd253_backlight_stepdown()
78 int brightness = backlight_get_brightness(bl); in ktd253_backlight_update_status() local
80 u16 current_ratio = ktd253->ratio; in ktd253_backlight_update_status()
[all …]
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| /kernel/linux/linux-5.10/include/media/i2c/ |
| D | lm3646.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * Ldd-Mlp <ldd-mlp@list.ti.com>
14 #include <media/v4l2-subdev.h>
20 /* TOTAL FLASH Brightness Max
21 * min 93350uA, step 93750uA, max 1499600uA
28 ((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP)))
30 /* TOTAL TORCH Brightness Max
31 * min 23040uA, step 23430uA, max 187100uA
38 ((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP)))
40 /* LED1 FLASH Brightness
[all …]
|
| /kernel/linux/linux-6.6/include/media/i2c/ |
| D | lm3646.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
8 * Ldd-Mlp <ldd-mlp@list.ti.com>
14 #include <media/v4l2-subdev.h>
20 /* TOTAL FLASH Brightness Max
21 * min 93350uA, step 93750uA, max 1499600uA
28 ((((a) - LM3646_TOTAL_FLASH_BRT_MIN) / LM3646_TOTAL_FLASH_BRT_STEP)))
30 /* TOTAL TORCH Brightness Max
31 * min 23040uA, step 23430uA, max 187100uA
38 ((((a) - LM3646_TOTAL_TORCH_BRT_MIN) / LM3646_TOTAL_TORCH_BRT_STEP)))
40 /* LED1 FLASH Brightness
[all …]
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/mfd/ |
| D | ti-lmu.txt | 6 ------ ---------------------------------
14 - compatible: Should be one of:
20 - reg: I2C slave address.
28 - enable-gpios: A GPIO specifier for hardware enable pin.
29 - ramp-up-us: Current ramping from one brightness level to
30 the a higher brightness level.
31 Range from 2048 us - 117.44 s
32 - ramp-down-us: Current ramping from one brightness level to
33 the a lower brightness level.
34 Range from 2048 us - 117.44 s
[all …]
|
| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/mfd/ |
| D | ti-lmu.txt | 6 ------ ---------------------------------
14 - compatible: Should be one of:
20 - reg: I2C slave address.
28 - enable-gpios: A GPIO specifier for hardware enable pin.
29 - ramp-up-us: Current ramping from one brightness level to
30 the a higher brightness level.
31 Range from 2048 us - 117.44 s
32 - ramp-down-us: Current ramping from one brightness level to
33 the a lower brightness level.
34 Range from 2048 us - 117.44 s
[all …]
|
| /kernel/linux/linux-6.6/drivers/leds/flash/ |
| D | leds-rt8515.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
28 #include <linux/led-class-flash.h>
35 #include <media/v4l2-flash-led-class.h>
37 /* We can provide 15-700 mA out to the LED */
40 /* The maximum intensity is 1-16 for flash and 1-100 for torch */
56 u32 max_timeout; /* Flash max timeout */
68 gpiod_set_value(rt->enable_flash, 0); in rt8515_gpio_led_off()
69 gpiod_set_value(rt->enable_torch, 0); in rt8515_gpio_led_off()
73 int brightness) in rt8515_gpio_brightness_commit() argument
79 * brightness one step at a time. in rt8515_gpio_brightness_commit()
[all …]
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| D | leds-aat1290.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * 1.5A Step-Up Current Regulator for Flash LEDs
12 #include <linux/led-class-flash.h>
20 #include <media/v4l2-flash-led-class.h>
57 /* max LED brightness level */
80 /* brightness cache */
100 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_as2cwire_write()
101 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
108 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
110 gpiod_direction_output(led->gpio_en_set, 1); in aat1290_as2cwire_write()
[all …]
|
| /kernel/linux/linux-5.10/arch/arm/boot/dts/ |
| D | kirkwood-net5big.dts | 1 // SPDX-License-Identifier: GPL-2.0
9 * Based on netxbig_v2-setup.c,
14 /dts-v1/;
17 #include "kirkwood-6281.dtsi"
18 #include "kirkwood-netxbig.dtsi"
22 compatible = "lacie,net5big_v2", "lacie,netxbig", "marvell,kirkwood-88f6281", "marvell,kirkwood";
33 compatible = "regulator-fixed";
35 regulator-name = "hdd1power";
36 regulator-min-microvolt = <5000000>;
37 regulator-max-microvolt = <5000000>;
[all …]
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| D | kirkwood-netxbig.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
9 * Based on netxbig_v2-setup.c,
14 #include <dt-bindings/leds/leds-netxbig.h>
16 #include "kirkwood-6281.dtsi"
21 stdout-path = &uart0;
33 #address-cells = <1>;
34 #size-cells = <1>;
35 compatible = "mxicy,mx25l4005a", "jedec,spi-nor";
37 spi-max-frequency = <20000000>;
42 label = "u-boot";
[all …]
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| /kernel/linux/linux-6.6/arch/arm/boot/dts/marvell/ |
| D | kirkwood-net5big.dts | 1 // SPDX-License-Identifier: GPL-2.0
9 * Based on netxbig_v2-setup.c,
14 /dts-v1/;
17 #include "kirkwood-6281.dtsi"
18 #include "kirkwood-netxbig.dtsi"
22 compatible = "lacie,net5big_v2", "lacie,netxbig", "marvell,kirkwood-88f6281", "marvell,kirkwood";
33 compatible = "regulator-fixed";
35 regulator-name = "hdd1power";
36 regulator-min-microvolt = <5000000>;
37 regulator-max-microvolt = <5000000>;
[all …]
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| D | kirkwood-netxbig.dtsi | 1 // SPDX-License-Identifier: GPL-2.0
9 * Based on netxbig_v2-setup.c,
14 #include <dt-bindings/leds/leds-netxbig.h>
16 #include "kirkwood-6281.dtsi"
21 stdout-path = &uart0;
33 #address-cells = <1>;
34 #size-cells = <1>;
35 compatible = "mxicy,mx25l4005a", "jedec,spi-nor";
37 spi-max-frequency = <20000000>;
42 label = "u-boot";
[all …]
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| /kernel/linux/linux-6.6/Documentation/leds/ |
| D | leds-cht-wcove.rst | 1 .. SPDX-License-Identifier: GPL-2.0
8 --------------------------------
18 Max-| ---
23 Min-|- ---
25 0------2------4--> time (sec)
31 The set pattern only controls the timing. For max brightness the last
32 set brightness is used and the max brightness can be changed
33 while breathing by writing the brightness attribute.
36 for both sw and hw blinking the brightness can also be changed
|
| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/leds/backlight/ |
| D | mediatek,mt6370-backlight.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/backlight/mediatek,mt6370-backlight.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - ChiaEn Wu <chiaen_wu@richtek.com>
21 - $ref: common.yaml#
26 - mediatek,mt6370-backlight
27 - mediatek,mt6372-backlight
29 default-brightness:
32 max-brightness:
[all …]
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| /kernel/linux/linux-6.6/drivers/leds/ |
| D | leds-pwm.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/drivers/leds-pwm.c
9 * based on leds-gpio.c by Raphael Assenat <raph@8d.com>
42 enum led_brightness brightness) in led_pwm_set() argument
46 unsigned int max = led_dat->cdev.max_brightness; in led_pwm_set() local
47 unsigned long long duty = led_dat->pwmstate.period; in led_pwm_set()
49 duty *= brightness; in led_pwm_set()
50 do_div(duty, max); in led_pwm_set()
52 if (led_dat->active_low) in led_pwm_set()
53 duty = led_dat->pwmstate.period - duty; in led_pwm_set()
[all …]
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| /kernel/linux/linux-5.10/Documentation/gpu/ |
| D | kms-properties.csv | 2 ,DVI-I,“subconnector”,ENUM,"{ “Unknown”, “DVI-D”, “DVI-A” }",Connector,TBD
3 ,,“select subconnector”,ENUM,"{ “Automatic”, “DVI-D”, “DVI-A” }",Connector,TBD
7 ,,“left margin”,RANGE,"Min=0, Max=100",Connector,TBD
8 ,,“right margin”,RANGE,"Min=0, Max=100",Connector,TBD
9 ,,“top margin”,RANGE,"Min=0, Max=100",Connector,TBD
10 ,,“bottom margin”,RANGE,"Min=0, Max=100",Connector,TBD
11 ,,“brightness”,RANGE,"Min=0, Max=100",Connector,TBD
12 ,,“contrast”,RANGE,"Min=0, Max=100",Connector,TBD
13 ,,“flicker reduction”,RANGE,"Min=0, Max=100",Connector,TBD
14 ,,“overscan”,RANGE,"Min=0, Max=100",Connector,TBD
[all …]
|
| /kernel/linux/linux-6.6/Documentation/gpu/ |
| D | kms-properties.csv | 2 ,DVI-I,“subconnector”,ENUM,"{ “Unknown”, “DVI-D”, “DVI-A” }",Connector,TBD
3 ,,“select subconnector”,ENUM,"{ “Automatic”, “DVI-D”, “DVI-A” }",Connector,TBD
7 ,,“left margin”,RANGE,"Min=0, Max=100",Connector,TBD
8 ,,“right margin”,RANGE,"Min=0, Max=100",Connector,TBD
9 ,,“top margin”,RANGE,"Min=0, Max=100",Connector,TBD
10 ,,“bottom margin”,RANGE,"Min=0, Max=100",Connector,TBD
11 ,,“brightness”,RANGE,"Min=0, Max=100",Connector,TBD
12 ,,“contrast”,RANGE,"Min=0, Max=100",Connector,TBD
13 ,,“flicker reduction”,RANGE,"Min=0, Max=100",Connector,TBD
14 ,,“overscan”,RANGE,"Min=0, Max=100",Connector,TBD
[all …]
|
| /kernel/linux/linux-5.10/drivers/leds/ |
| D | leds-aat1290.c | 1 // SPDX-License-Identifier: GPL-2.0-only
4 * 1.5A Step-Up Current Regulator for Flash LEDs
12 #include <linux/led-class-flash.h>
20 #include <media/v4l2-flash-led-class.h>
57 /* max LED brightness level */
80 /* brightness cache */
100 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_as2cwire_write()
101 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
108 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
110 gpiod_direction_output(led->gpio_en_set, 1); in aat1290_as2cwire_write()
[all …]
|