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/Linux-v5.15/drivers/leds/
Dleds-bd2802.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-bd2802.c - RGB LED Driver
8 * Datasheet: http://www.rohm.com/products/databook/driver/pdf/bd2802gu-e.pdf
16 #include <linux/leds-bd2802.h>
20 #define LED_CTL(rgb2en, rgb1en) ((rgb2en) << 4 | ((rgb1en) << 0))
22 #define BD2802_LED_OFFSET 0xa
23 #define BD2802_COLOR_OFFSET 0x3
25 #define BD2802_REG_CLKSETUP 0x00
26 #define BD2802_REG_CONTROL 0x01
27 #define BD2802_REG_HOURSETUP 0x02
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Dleds-lm3692x.c1 // SPDX-License-Identifier: GPL-2.0
2 // TI LM3692x LED chip family driver
3 // Copyright (C) 2017-18 Texas Instruments Incorporated - https://www.ti.com/
17 #define LM36922_MODEL 0
20 #define LM3692X_REV 0x0
21 #define LM3692X_RESET 0x1
22 #define LM3692X_EN 0x10
23 #define LM3692X_BRT_CTRL 0x11
24 #define LM3692X_PWM_CTRL 0x12
25 #define LM3692X_BOOST_CTRL 0x13
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Dleds-max8997.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-max8997.c - LED class driver for MAX8997 LEDs.
14 #include <linux/mfd/max8997-private.h>
18 #define MAX8997_LED_FLASH_CUR_MASK 0xf8
20 #define MAX8997_LED_MOVIE_CUR_MASK 0xf0
22 #define MAX8997_LED_FLASH_MAX_BRIGHTNESS 0x1f
23 #define MAX8997_LED_MOVIE_MAX_BRIGHTNESS 0xf
24 #define MAX8997_LED_NONE_MAX_BRIGHTNESS 0
26 #define MAX8997_LED0_FLASH_MASK 0x1
27 #define MAX8997_LED0_FLASH_PIN_MASK 0x5
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Dleds-cpcap.c1 // SPDX-License-Identifier: GPL-2.0-or-later
7 #include <linux/mfd/motorola-cpcap.h>
15 #define CPCAP_LED_NO_CURRENT 0x0001
27 .mask = 0x03FF,
33 .mask = 0x03FF,
39 .mask = 0x03FF,
46 .mask = 0x000F,
48 .init_mask = 0x7FFF,
49 .init_val = 0x5FF0,
52 /* camera privacy led */
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Dleds-lm3697.c1 // SPDX-License-Identifier: GPL-2.0
2 // TI LM3697 LED chip family driver
3 // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
15 #include <linux/leds-ti-lmu-common.h>
17 #define LM3697_REV 0x0
18 #define LM3697_RESET 0x1
19 #define LM3697_OUTPUT_CONFIG 0x10
20 #define LM3697_CTRL_A_RAMP 0x11
21 #define LM3697_CTRL_B_RAMP 0x12
22 #define LM3697_CTRL_A_B_RT_RAMP 0x13
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Dleds-lp8860.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TI LP8860 4-Channel LED Driver
22 #define LP8860_DISP_CL1_BRT_MSB 0x00
23 #define LP8860_DISP_CL1_BRT_LSB 0x01
24 #define LP8860_DISP_CL1_CURR_MSB 0x02
25 #define LP8860_DISP_CL1_CURR_LSB 0x03
26 #define LP8860_CL2_BRT_MSB 0x04
27 #define LP8860_CL2_BRT_LSB 0x05
28 #define LP8860_CL2_CURRENT 0x06
29 #define LP8860_CL3_BRT_MSB 0x07
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Dleds-mt6323.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * LED driver for Mediatek MT6323 PMIC
18 * 32K clock common for LED device.
25 * individual clock for LED device.
40 #define MT6323_ISINK_CON0(i) (MT6323_ISINK0_CON0 + 0x8 * (i))
41 #define MT6323_ISINK_DIM_DUTY_MASK (0x1f << 8)
46 #define MT6323_ISINK_CON1(i) (MT6323_ISINK0_CON1 + 0x8 * (i))
47 #define MT6323_ISINK_DIM_FSEL_MASK (0xffff)
51 #define MT6323_ISINK_CON2(i) (MT6323_ISINK0_CON2 + 0x8 * (i))
53 #define MT6323_ISINK_CH_STEP_MASK (0x7 << 12)
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Dleds-bcm6328.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for BCM6328 memory-mapped LEDs, based on leds-syscon.c
15 #define BCM6328_REG_INIT 0x00
16 #define BCM6328_REG_MODE_HI 0x04
17 #define BCM6328_REG_MODE_LO 0x08
18 #define BCM6328_REG_HWDIS 0x0c
19 #define BCM6328_REG_STROBE 0x10
20 #define BCM6328_REG_LNKACTSEL_HI 0x14
21 #define BCM6328_REG_LNKACTSEL_LO 0x18
22 #define BCM6328_REG_RBACK 0x1c
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Dleds-lm3533.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * leds-lm3533.c -- LM3533 LED driver
5 * Copyright (C) 2011-2012 Texas Instruments
27 #define LM3533_REG_CTRLBANK_BCONF_BASE 0x1b
28 #define LM3533_REG_PATTERN_ENABLE 0x28
29 #define LM3533_REG_PATTERN_LOW_TIME_BASE 0x71
30 #define LM3533_REG_PATTERN_HIGH_TIME_BASE 0x72
31 #define LM3533_REG_PATTERN_RISETIME_BASE 0x74
32 #define LM3533_REG_PATTERN_FALLTIME_BASE 0x75
34 #define LM3533_REG_PATTERN_STEP 0x10
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Dleds-wm8350.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED driver for WM8350 driven LEDS.
88 static int wm8350_led_enable(struct wm8350_led *led) in wm8350_led_enable() argument
90 int ret = 0; in wm8350_led_enable()
92 if (led->enabled) in wm8350_led_enable()
95 ret = regulator_enable(led->isink); in wm8350_led_enable()
96 if (ret != 0) { in wm8350_led_enable()
97 dev_err(led->cdev.dev, "Failed to enable ISINK: %d\n", ret); in wm8350_led_enable()
101 ret = regulator_enable(led->dcdc); in wm8350_led_enable()
102 if (ret != 0) { in wm8350_led_enable()
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Dleds-regulator.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-regulator.c - LED class driver for regulator driven LEDs.
7 * Inspired by leds-wm8350 driver.
14 #include <linux/leds-regulator.h>
32 int voltage = regulator_list_voltage(supply, 0); in led_regulator_get_max_brightness()
34 if (voltage <= 0) in led_regulator_get_max_brightness()
39 * and the LED can be turned on and off. in led_regulator_get_max_brightness()
42 if (ret < 0) in led_regulator_get_max_brightness()
51 if (brightness == 0) in led_regulator_get_voltage()
52 return -EINVAL; in led_regulator_get_voltage()
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Dleds-ns2.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * leds-ns2.c - Driver for the Network Space v2 (and parents) dual-GPIO LED
9 * Based on leds-gpio.c by Raphael Assenat <raph@8d.com>
39 * The Network Space v2 dual-GPIO LED is wired to a CPLD. Three different LED
40 * modes are available: off, on and SATA activity blinking. The LED modes are
42 * for the command/slow GPIOs corresponds to a LED mode.
56 static int ns2_led_get_mode(struct ns2_led *led, enum ns2_led_modes *mode) in ns2_led_get_mode() argument
62 cmd_level = gpiod_get_value_cansleep(led->cmd); in ns2_led_get_mode()
63 slow_level = gpiod_get_value_cansleep(led->slow); in ns2_led_get_mode()
65 for (i = 0; i < led->num_modes; i++) { in ns2_led_get_mode()
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Dleds-wm831x-status.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED driver for WM831x status LEDs
38 static void wm831x_status_set(struct wm831x_status *led) in wm831x_status_set() argument
42 mutex_lock(&led->mutex); in wm831x_status_set()
44 led->reg_val &= ~(WM831X_LED_SRC_MASK | WM831X_LED_MODE_MASK | in wm831x_status_set()
47 spin_lock_irqsave(&led->value_lock, flags); in wm831x_status_set()
49 led->reg_val |= led->src << WM831X_LED_SRC_SHIFT; in wm831x_status_set()
50 if (led->blink) { in wm831x_status_set()
51 led->reg_val |= 2 << WM831X_LED_MODE_SHIFT; in wm831x_status_set()
52 led->reg_val |= led->blink_time << WM831X_LED_DUR_SHIFT; in wm831x_status_set()
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Dleds-da903x.c1 // SPDX-License-Identifier: GPL-2.0-only
8 * Copyright (C) 2006-2008 Marvell International Ltd.
19 #define DA9030_LED1_CONTROL 0x20
20 #define DA9030_LED2_CONTROL 0x21
21 #define DA9030_LED3_CONTROL 0x22
22 #define DA9030_LED4_CONTROL 0x23
23 #define DA9030_LEDPC_CONTROL 0x24
24 #define DA9030_MISC_CONTROL_A 0x26 /* Vibrator Control */
26 #define DA9034_LED1_CONTROL 0x35
27 #define DA9034_LED2_CONTROL 0x36
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/Linux-v5.15/sound/usb/caiaq/
Dcontrol.c1 // SPDX-License-Identifier: GPL-2.0-or-later
17 #define CNT_INTVAL 0x10000
24 struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card); in control_info()
25 int pos = kcontrol->private_value; in control_info()
29 uinfo->count = 1; in control_info()
32 switch (cdev->chip.usb_id) { in control_info()
35 if (pos == 0) { in control_info()
37 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in control_info()
38 uinfo->value.integer.min = 0; in control_info()
39 uinfo->value.integer.max = 2; in control_info()
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/Linux-v5.15/drivers/leds/flash/
Dleds-lm3601x.c1 // SPDX-License-Identifier: GPL-2.0
2 // Flash and torch driver for Texas Instruments LM3601X LED
4 // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/
9 #include <linux/led-class-flash.h>
14 #define LM3601X_LED_IR 0x0
15 #define LM3601X_LED_TORCH 0x1
18 #define LM3601X_ENABLE_REG 0x01
19 #define LM3601X_CFG_REG 0x02
20 #define LM3601X_LED_FLASH_REG 0x03
21 #define LM3601X_LED_TORCH_REG 0x04
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Dleds-aat1290.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED Flash class driver for the AAT1290
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>
49 /* maximum LED current in movie mode */
51 /* maximum LED current in flash mode */
57 /* max LED brightness level */
67 /* corresponding LED Flash class device */
96 static void aat1290_as2cwire_write(struct aat1290_led *led, int addr, int value) in aat1290_as2cwire_write() argument
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Dleds-max77693.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED Flash class driver for the flash cell of max77693 mfd.
11 #include <linux/led-class-flash.h>
13 #include <linux/mfd/max77693-common.h>
14 #include <linux/mfd/max77693-private.h>
20 #include <media/v4l2-flash-led-class.h>
22 #define MODE_OFF 0
32 #define FLED1_IOUT (1 << 0)
59 /* corresponding LED Flash class device */
80 /* sub led data */
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Dleds-ktd2692.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED driver : leds-ktd2692.c
12 #include <linux/led-class-flash.h>
26 #define KTD2692_FLASH_MODE_TIMEOUT_DISABLE 0
33 #define KTD2692_REG_LVP_BASE 0x00
34 #define KTD2692_REG_FLASH_TIMEOUT_BASE 0x20
35 #define KTD2692_REG_MM_MIN_CURR_THRESHOLD_BASE 0x40
36 #define KTD2692_REG_MOVIE_CURRENT_BASE 0x60
37 #define KTD2692_REG_FLASH_CURRENT_BASE 0x80
38 #define KTD2692_REG_MODE_BASE 0xA0
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/Linux-v5.15/Documentation/devicetree/bindings/leds/
Dleds-lp55xx.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-lp55xx.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
15 LED Drivers.
27 - national,lp5521
28 - national,lp5523
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Dcommon.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <jacek.anaszewski@gmail.com>
11 - Pavel Machek <pavel@ucw.cz>
14 LED and flash LED devices provide the same basic functionality as current
15 regulators, but extended with LED and flash LED specific features like
18 Many LED devices expose more than one current output that can be connected
19 to one or more discrete LED component. Since the arrangement of connections
20 can influence the way of the LED device initialization, the LED components
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/Linux-v5.15/drivers/hid/
Dhid-gt683r.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MSI GT683R led driver
14 #include "hid-ids.h"
25 GT683R_LED_OFF = 0,
32 GT683R_LED_BACK = 0,
63 struct device *dev = led_cdev->dev->parent; in gt683r_brightness_set()
65 struct gt683r_led *led = hid_get_drvdata(hdev); in gt683r_brightness_set() local
67 for (i = 0; i < GT683R_LED_COUNT; i++) { in gt683r_brightness_set()
68 if (led_cdev == &led->led_devs[i]) in gt683r_brightness_set()
73 led->brightnesses[i] = brightness; in gt683r_brightness_set()
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/Linux-v5.15/drivers/net/wireless/broadcom/b43/
Dleds.c1 // SPDX-License-Identifier: GPL-2.0-or-later
5 LED control
7 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
9 Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
48 struct b43_led *led) in b43_led_update() argument
53 if (!led->wl) in b43_led_update()
56 radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable); in b43_led_update()
58 /* The led->state read is racy, but we don't care. In case we raced in b43_led_update()
62 turn_on = atomic_read(&led->state) != LED_OFF; in b43_led_update()
65 if (turn_on == led->hw_state) in b43_led_update()
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/Linux-v5.15/drivers/gpu/drm/nouveau/
Dnouveau_led.c37 nouveau_led_get_brightness(struct led_classdev *led) in nouveau_led_get_brightness() argument
39 struct drm_device *drm_dev = container_of(led, struct nouveau_led, led)->dev; in nouveau_led_get_brightness()
41 struct nvif_object *device = &drm->client.device.object; in nouveau_led_get_brightness()
44 div = nvif_rd32(device, 0x61c880) & 0x00ffffff; in nouveau_led_get_brightness()
45 duty = nvif_rd32(device, 0x61c884) & 0x00ffffff; in nouveau_led_get_brightness()
47 if (div > 0) in nouveau_led_get_brightness()
50 return 0; in nouveau_led_get_brightness()
54 nouveau_led_set_brightness(struct led_classdev *led, enum led_brightness value) in nouveau_led_set_brightness() argument
56 struct drm_device *drm_dev = container_of(led, struct nouveau_led, led)->dev; in nouveau_led_set_brightness()
58 struct nvif_object *device = &drm->client.device.object; in nouveau_led_set_brightness()
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/Linux-v5.15/arch/arm/boot/dts/
Domap3-echo.dts1 // SPDX-License-Identifier: GPL-2.0-only
5 /dts-v1/;
9 #include <dt-bindings/input/input.h>
10 #include <dt-bindings/leds/common.h>
14 compatible = "amazon,omap3-echo", "ti,omap3630", "ti,omap3";
17 cpu@0 {
18 cpu0-supply = <&vdd1_reg>;
24 reg = <0x80000000 0xc600000>; /* 198 MB */
28 compatible = "regulator-fixed";
29 regulator-name = "vcc5v";
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