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/linux/sound/usb/caiaq/
H A Dcontrol.c1 // SPDX-License-Identifier: GPL-2.0-or-later
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()
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()
54 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; in control_info()
55 uinfo->value.integer.min = 0; in control_info()
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/linux/Documentation/devicetree/bindings/leds/
H A Dleds-mt6360.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LED driver for MT6360 PMIC from MediaTek Integrated.
10 - Gene Chen <gene_chen@richtek.com>
15 Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
16 and 4-channel RGB LED support Register/Flash/Breath Mode
20 const: mediatek,mt6360-led
22 "#address-cells":
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H A 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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H A 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/drivers/leds/
H A 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/
18 #define LM36923_MODEL 1
36 #define LM3692X_LED1_EN BIT(1)
45 #define LM3692X_RAMP_RATE_250us BIT(1)
47 #define LM3692X_RAMP_RATE_1ms (BIT(1) | BIT(2))
49 #define LM3692X_RAMP_RATE_4ms (BIT(3) | BIT(1))
51 #define LM3692X_RAMP_RATE_16ms (BIT(1) | BIT(2) | BIT(3))
61 #define LM3692X_PWM_FILTER_150 BIT(1)
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H A 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>
58 * State '1' : 'blink'
73 struct led_state led[2]; member
104 /*--------------------------------------------------------------*/
106 /*--------------------------------------------------------------*/
108 static inline int bd2802_is_rgb_off(struct bd2802_led *led, enum led_ids id, in bd2802_is_rgb_off() argument
113 return !led->led[id].r; in bd2802_is_rgb_off()
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H A Dleds-cht-wcove.c1 // SPDX-License-Identifier: GPL-2.0
30 #define CHT_WC_LED1_SWCTL BIT(0) /* HW or SW control of charging led */
31 #define CHT_WC_LED1_ON BIT(1)
34 #define CHT_WC_LED_I_MA2_5 (2 << 2) /* LED current limit */
35 #define CHT_WC_LED_I_MASK GENMASK(3, 2) /* LED current limit mask */
38 #define CHT_WC_LED_F_1_2_HZ (1 << 4)
43 #define CHT_WC_LED_EFF_OFF (0 << 1)
44 #define CHT_WC_LED_EFF_ON (1 << 1)
45 #define CHT_WC_LED_EFF_BLINKING (2 << 1)
46 #define CHT_WC_LED_EFF_BREATHING (3 << 1)
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H A 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.
15 #include <linux/leds-regulator.h>
36 return 1; in led_regulator_get_max_brightness()
40 * and the LED can be turned on and off. in led_regulator_get_max_brightness()
44 return 1; in led_regulator_get_max_brightness()
53 return -EINVAL; in led_regulator_get_voltage()
55 return regulator_list_voltage(supply, brightness - 1); in led_regulator_get_voltage()
59 static void regulator_led_enable(struct regulator_led *led) in regulator_led_enable() argument
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H A Dleds-bcm6328.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for BCM6328 memory-mapped LEDs, based on leds-syscon.c
53 #define BCM6328_LED_MODE_BLINK1 1
56 #define BCM6328_LED_SHIFT(X) ((X) << 1)
59 * struct bcm6328_led - state container for bcm6328 based LEDs
60 * @cdev: LED class device for this LED
63 * @pin: LED pin number
66 * @active_low: LED is active low
98 * bits [31:0] -> LEDs 8-23
99 * bits [47:32] -> LEDs 0-7
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H A Dleds-lp8864.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * TI LP8864/LP8866 4/6 Channel LED Driver
30 /* Textual meaning for status bits, starting from bit 1 */
32 "Vin under-voltage fault",
33 "Vin over-voltage fault",
34 "Vdd under-voltage fault",
35 "Vin over-current fault",
42 /* Textual meaning for status bits, starting from bit 1 */
46 "Boost over-current fault",
49 "Missing LED resistor fault",
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H A Dleds-el15203000.c1 // SPDX-License-Identifier: GPL-2.0
14 * +-----+---------+
15 * | LED | COMMAND |
16 * +-----+---------+
17 * | 1 | 1 |
18 * +-----+---------+
22 * +----------+--------------+-------------------------------------------+
24 * +----------+--------------+-------------------------------------------+
26 * +----------+--------------+-------------------------------------------+
28 * +----------+--------------+-------------------------------------------+
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H A Dleds-88pm860x.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED driver for Marvell 88PM860x
25 #define LED1_BLINK_EN (1 << 1)
26 #define LED2_BLINK_EN (1 << 2)
47 int ret = -EINVAL; in led_power_set()
51 case 1: in led_power_set()
69 struct pm860x_led *led = container_of(cdev, struct pm860x_led, cdev); in pm860x_led_set() local
74 chip = led->chip; in pm860x_led_set()
75 mutex_lock(&led->lock); in pm860x_led_set()
76 led->brightness = value >> 3; in pm860x_led_set()
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H A Dleds-tca6507.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-tca6507
5 * The TCA6507 is a programmable LED controller that can drive 7
9 * blink or double-blink.
12 * out-only (pull-up resistor required) or as an LED with variable
13 * brightness and hardware-assisted blinking.
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
25 * support double-blink so 'second-off' always matches 'off'.
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H A 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
24 #define LM3533_ALS_CHANNEL_LV_MIN 1
40 #define LM3533_LED_FLAG_PATTERN_ENABLE 1
59 static inline int lm3533_led_get_ctrlbank_id(struct lm3533_led *led) in lm3533_led_get_ctrlbank_id() argument
61 return led->id + 2; in lm3533_led_get_ctrlbank_id()
64 static inline u8 lm3533_led_get_lv_reg(struct lm3533_led *led, u8 base) in lm3533_led_get_lv_reg() argument
66 return base + led->id; in lm3533_led_get_lv_reg()
69 static inline u8 lm3533_led_get_pattern(struct lm3533_led *led) in lm3533_led_get_pattern() argument
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H A Dleds-an30259a.c1 // SPDX-License-Identifier: GPL-2.0+
3 // Driver for Panasonic AN30259A 3-channel LED driver
22 /* LED power registers */
24 #define AN30259A_LED_EN(x) BIT((x) - 1)
25 #define AN30259A_LED_SLOPE(x) BIT(((x) - 1) + 4)
27 #define AN30259A_REG_LEDCC(x) (0x03 + ((x) - 1))
30 #define AN30259A_REG_SLOPE(x) (0x06 + ((x) - 1))
34 #define AN30259A_REG_LEDCNT1(x) (0x09 + (4 * ((x) - 1)))
38 #define AN30259A_REG_LEDCNT2(x) (0x0A + (4 * ((x) - 1)))
43 #define AN30259A_REG_LEDCNT3(x) (0x0B + (4 * ((x) - 1)))
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/linux/drivers/leds/flash/
H A 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
13 #include <linux/led-class-flash.h>
21 #include <media/v4l2-flash-led-class.h>
25 #define AAT1290_MAX_MM_CURR_PERCENT_100 1
30 #define AAT1290_MOVIE_MODE_OFF 1
34 #define AAT1290_MM_TO_FL_1_92 1
41 #define AAT1290_EN_SET_TICK_TIME_US 1
50 /* maximum LED current in movie mode */
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H A Dleds-qcom-flash.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/led-class-flash.h>
14 #include <media/v4l2-flash-led-class.h>
29 #define FLASH_STS_3CH_OTST2 BIT(1)
38 #define FLASH_STS_4CH_BCL_IBAT BIT(1)
51 #define HW_STROBE_VAL 1
52 #define FLASH_HW_STROBE_TRIGGER_SEL_BIT BIT(1)
54 #define STROBE_EDGE_TRIGGER_VAL 1
56 #define STROBE_ACTIVE_HIGH_VAL 1
59 #define FLASH_IRES_MASK_3CH GENMASK(1, 0)
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/linux/drivers/net/dsa/mv88e6xxx/
H A Dleds.c1 // SPDX-License-Identifier: GPL-2.0-or-later
10 /* Offset 0x16: LED control */
34 static int mv88e6xxx_led_brightness_set(struct mv88e6xxx_port *p, int led, in mv88e6xxx_led_brightness_set() argument
40 err = mv88e6xxx_port_led_read(p->chip, p->port, in mv88e6xxx_led_brightness_set()
46 if (led == 1) in mv88e6xxx_led_brightness_set()
52 /* Selector 0x0f == Force LED ON */ in mv88e6xxx_led_brightness_set()
53 if (led == 1) in mv88e6xxx_led_brightness_set()
58 /* Selector 0x0e == Force LED OFF */ in mv88e6xxx_led_brightness_set()
59 if (led == 1) in mv88e6xxx_led_brightness_set()
67 return mv88e6xxx_port_led_write(p->chip, p->port, reg); in mv88e6xxx_led_brightness_set()
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/linux/drivers/net/wireless/broadcom/b43/
H A 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>
28 ctl &= ~(1 << led_index); in b43_led_turn_on()
30 ctl |= (1 << led_index); in b43_led_turn_on()
41 ctl |= (1 << led_index); in b43_led_turn_off()
43 ctl &= ~(1 << led_index); in b43_led_turn_off()
48 struct b43_led *led) in b43_led_update() argument
53 if (!led->wl) in b43_led_update()
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/linux/arch/arm/boot/dts/ti/omap/
H A 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";
18 cpu0-supply = <&vdd1_reg>;
28 compatible = "regulator-fixed";
29 regulator-name = "vcc5v";
30 regulator-min-microvolt = <5000000>;
31 regulator-max-microvolt = <5000000>;
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/linux/arch/arm/boot/dts/aspeed/
H A Daspeed-bmc-ibm-blueridge.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /dts-v1/;
5 #include <dt-bindings/gpio/aspeed-gpio.h>
6 #include <dt-bindings/i2c/i2c.h>
7 #include <dt-bindings/leds/leds-pca955x.h>
8 #include "aspeed-g6.dtsi"
9 #include "ibm-power11-quad.dtsi"
13 compatible = "ibm,blueridge-bmc", "aspeed,ast2600";
35 stdout-path = &uart5;
43 reserved-memory {
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H A Daspeed-bmc-ibm-rainier.dts1 // SPDX-License-Identifier: GPL-2.0-or-later
3 /dts-v1/;
5 #include "aspeed-g6.dtsi"
6 #include <dt-bindings/gpio/aspeed-gpio.h>
7 #include <dt-bindings/i2c/i2c.h>
8 #include <dt-bindings/leds/leds-pca955x.h>
12 compatible = "ibm,rainier-bmc", "aspeed,ast2600";
34 stdout-path = &uart5;
43 reserved-memory {
44 #address-cells = <1>;
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/linux/drivers/hid/
H A Dhid-gt683r.c1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * MSI GT683R led driver
14 #include "hid-ids.h"
33 GT683R_LED_SIDE = 1,
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
68 if (led_cdev == &led->led_devs[i]) in gt683r_brightness_set()
73 led->brightnesses[i] = brightness; in gt683r_brightness_set()
74 schedule_work(&led->work); in gt683r_brightness_set()
83 struct hid_device *hdev = to_hid_device(dev->parent); in mode_show()
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H A Dhid-picolcd_leds.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> *
11 #include <linux/hid-debug.h>
13 #include "hid-ids.h"
29 #include "hid-picolcd.h"
37 if (!data->led[0]) in picolcd_leds_set()
39 report = picolcd_out_report(REPORT_LED_STATE, data->hdev); in picolcd_leds_set()
40 if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) in picolcd_leds_set()
43 spin_lock_irqsave(&data->lock, flags); in picolcd_leds_set()
44 hid_set_field(report->field[0], 0, data->led_state); in picolcd_leds_set()
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/linux/arch/mips/boot/dts/mti/
H A Dsead3.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
8 #include <dt-bindings/interrupt-controller/mips-gic.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
13 compatible = "mti,sead-3";
14 model = "MIPS SEAD-3";
17 stdout-path = "serial1:115200";
36 cpu_intc: interrupt-controller {
37 compatible = "mti,cpu-interrupt-controller";
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