| /linux/sound/usb/caiaq/ |
| H A D | control.c | 167 { "LED left", 2 },
168 { "LED middle", 1 },
169 { "LED right", 0 },
170 { "LED ring", 3 }
174 { "LED 1", 5 },
175 { "LED 2", 4 },
176 { "LED 3", 3 },
177 { "LED 4", 2 },
178 { "LED 5", 1 },
179 { "LED 6", 0 },
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| /linux/drivers/leds/ |
| H A D | leds-bd2802.c | 3 * leds-bd2802.c - RGB LED Driver
73 struct led_state led[2]; member
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()
115 return !led->led[id].g; in bd2802_is_rgb_off()
117 return !led->led[id].b; in bd2802_is_rgb_off()
119 dev_err(&led->client->dev, "%s: Invalid color\n", __func__); in bd2802_is_rgb_off()
124 static inline int bd2802_is_led_off(struct bd2802_led *led, enum led_ids id) in bd2802_is_led_off() argument
126 if (led->led[id].r || led->led[id].g || led->led[id].b) in bd2802_is_led_off()
132 static inline int bd2802_is_all_off(struct bd2802_led *led) in bd2802_is_all_off() argument
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| H A D | Kconfig | 16 bool "LED Support"
18 Say Y to enable Linux LED support. This allows control of supported
24 tristate "LED Class Support"
26 This option enables the LED sysfs class in /sys/class/leds. You'll
30 tristate "LED Flash Class Support"
33 This option enables the flash LED sysfs class in /sys/class/leds.
34 It wraps LED Class and adds flash LEDs specific sysfs attributes
36 for the flash related features of a LED device. It can be built
40 tristate "LED Multicolor Class Support"
43 This option enables the multicolor LED sysfs class in /sys/class/leds.
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| H A D | leds-lm3692x.c | 2 // TI LM3692x LED chip family driver
101 * @led_dev: LED class device pointer
104 * @regulator: LED supply regulator pointer
105 * @led_enable: LED sync to be enabled
145 static int lm3692x_fault_check(struct lm3692x_led *led) in lm3692x_fault_check() argument
150 ret = regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
155 dev_err(&led->client->dev, "Detected a fault 0x%X\n", read_buf); in lm3692x_fault_check()
160 regmap_read(led->regmap, LM3692X_FAULT_FLAGS, &read_buf); in lm3692x_fault_check()
162 dev_err(&led->client->dev, "Second read of fault flags 0x%X\n", in lm3692x_fault_check()
168 static int lm3692x_leds_enable(struct lm3692x_led *led) in lm3692x_leds_enable() argument
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| H A D | leds-cpcap.c | 52 /* camera privacy led */
62 struct led_classdev led; member
81 static int cpcap_led_set_power(struct cpcap_led *led, bool status) in cpcap_led_set_power() argument
85 if (status == led->powered) in cpcap_led_set_power()
89 err = regulator_enable(led->vdd); in cpcap_led_set_power()
91 err = regulator_disable(led->vdd); in cpcap_led_set_power()
94 dev_err(led->dev, "regulator failure: %d", err); in cpcap_led_set_power()
98 led->powered = status; in cpcap_led_set_power()
105 struct cpcap_led *led = container_of(ledc, struct cpcap_led, led); in cpcap_led_set() local
109 mutex_lock(&led->update_lock); in cpcap_led_set()
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| H A D | leds-max8997.c | 3 * leds-max8997.c - LED class driver for MAX8997 LEDs.
47 static void max8997_led_set_mode(struct max8997_led *led, in max8997_led_set_mode() argument
51 struct i2c_client *client = led->iodev->i2c; in max8997_led_set_mode()
57 val = led->id ? in max8997_led_set_mode()
59 led->cdev.max_brightness = MAX8997_LED_FLASH_MAX_BRIGHTNESS; in max8997_led_set_mode()
63 val = led->id ? in max8997_led_set_mode()
65 led->cdev.max_brightness = MAX8997_LED_MOVIE_MAX_BRIGHTNESS; in max8997_led_set_mode()
70 val = led->id ? in max8997_led_set_mode()
72 led->cdev.max_brightness = MAX8997_LED_FLASH_MAX_BRIGHTNESS; in max8997_led_set_mode()
77 val = led->id ? in max8997_led_set_mode()
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| H A D | leds-lm3697.c | 2 // TI LM3697 LED chip family driver
48 * @hvled_strings: Array of LED strings associated with a control bank
49 * @label: LED label
50 * @led_dev: LED class device
53 * @control_bank: Control bank the LED is associated to. 0 is control bank A
55 * @enabled: LED brightness level (or LED_OFF)
72 * @regulator: LED supply regulator pointer
77 * @leds: Array of LED strings
125 struct lm3697_led *led = container_of(led_cdev, struct lm3697_led, in lm3697_brightness_set() local
127 int ctrl_en_val = (1 << led->control_bank); in lm3697_brightness_set()
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| H A D | leds-lm3533.c | 3 * leds-lm3533.c -- LM3533 LED driver
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
71 return led->id; in lm3533_led_get_pattern()
74 static inline u8 lm3533_led_get_pattern_reg(struct lm3533_led *led, in lm3533_led_get_pattern_reg() argument
77 return base + lm3533_led_get_pattern(led) * LM3533_REG_PATTERN_STEP; in lm3533_led_get_pattern_reg()
80 static int lm3533_led_pattern_enable(struct lm3533_led *led, int enable) in lm3533_led_pattern_enable() argument
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| H A D | leds-bcm6328.c | 60 * @cdev: LED class device for this LED
63 * @pin: LED pin number
66 * @active_low: LED is active low
110 static void bcm6328_led_mode(struct bcm6328_led *led, unsigned long value) in bcm6328_led_mode() argument
115 shift = bcm6328_pin2shift(led->pin); in bcm6328_led_mode()
117 mode = led->mem + BCM6328_REG_MODE_HI; in bcm6328_led_mode()
119 mode = led->mem + BCM6328_REG_MODE_LO; in bcm6328_led_mode()
130 struct bcm6328_led *led = in bcm6328_led_set() local
134 spin_lock_irqsave(led->lock, flags); in bcm6328_led_set()
136 /* Remove LED from cached HW blinking intervals */ in bcm6328_led_set()
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| H A D | leds-regulator.c | 3 * leds-regulator.c - LED class driver for regulator driven LEDs.
40 * and the LED can be turned on and off. in led_regulator_get_max_brightness()
59 static void regulator_led_enable(struct regulator_led *led) in regulator_led_enable() argument
63 if (led->enabled) in regulator_led_enable()
66 ret = regulator_enable(led->vcc); in regulator_led_enable()
68 dev_err(led->cdev.dev, "Failed to enable vcc: %d\n", ret); in regulator_led_enable()
72 led->enabled = 1; in regulator_led_enable()
75 static void regulator_led_disable(struct regulator_led *led) in regulator_led_disable() argument
79 if (!led->enabled) in regulator_led_disable()
82 ret = regulator_disable(led->vcc); in regulator_led_disable()
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| H A D | leds-pm8058.c | 30 struct pm8058_led *led; in pm8058_led_set() local
35 led = container_of(cled, struct pm8058_led, cdev); in pm8058_led_set()
36 switch (led->ledtype) { in pm8058_led_set()
50 ret = regmap_update_bits(led->map, led->reg, mask, val); in pm8058_led_set()
52 pr_err("Failed to set LED brightness\n"); in pm8058_led_set()
57 struct pm8058_led *led; in pm8058_led_get() local
61 led = container_of(cled, struct pm8058_led, cdev); in pm8058_led_get()
63 ret = regmap_read(led->map, led->reg, &val); in pm8058_led_get()
65 pr_err("Failed to get LED brightness\n"); in pm8058_led_get()
69 switch (led->ledtype) { in pm8058_led_get()
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| H A D | leds-cht-wcove.c | 30 #define CHT_WC_LED1_SWCTL BIT(0) /* HW or SW control of charging led */
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 */
56 /* Mask + values for turning the LED on/off */
109 struct cht_wc_led *led = container_of(cdev, struct cht_wc_led, cdev); in cht_wc_leds_brightness_set() local
112 mutex_lock(&led->mutex); in cht_wc_leds_brightness_set()
115 ret = regmap_update_bits(led->regmap, led->regs->ctrl, in cht_wc_leds_brightness_set()
116 led->regs->on_off_mask, led->regs->off_val); in cht_wc_leds_brightness_set()
123 ret = regmap_update_bits(led->regmap, led->regs->fsm, in cht_wc_leds_brightness_set()
126 dev_err(cdev->dev, "Failed to update LED FSM reg: %d\n", ret); in cht_wc_leds_brightness_set()
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| H A D | leds-turris-omnia.c | 9 #include <linux/led-class-multicolor.h>
22 * struct omnia_led - per-LED part of driver private data structure
23 * @mc_cdev: multi-color LED class device
26 * @on: whether the LED was set on
27 * @hwtrig: whether the LED blinking was offloaded to the MCU
28 * @reg: LED identifier to the MCU
46 * driver specific global brightness, not the LED classdev brightness)
47 * @leds: flexible array of per-LED data
57 static int omnia_cmd_set_color(const struct i2c_client *client, u8 led, u8 r, u8 g, u8 b) in omnia_cmd_set_color() argument
59 u8 buf[5] = { OMNIA_CMD_LED_COLOR, led, r, g, b }; in omnia_cmd_set_color()
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| /linux/drivers/leds/flash/ |
| H A D | leds-lm3601x.c | 2 // Flash and torch driver for Texas Instruments LM3601X LED
9 #include <linux/led-class-flash.h>
73 * struct lm3601x_led - private lm3601x LED data
74 * @fled_cdev: flash LED class device pointer
134 static int lm3601x_read_faults(struct lm3601x_led *led) in lm3601x_read_faults() argument
139 ret = regmap_read(led->regmap, LM3601X_FLAGS_REG, &flags_val); in lm3601x_read_faults()
143 led->last_flag = 0; in lm3601x_read_faults()
146 led->last_flag |= LED_FAULT_OVER_VOLTAGE; in lm3601x_read_faults()
149 led->last_flag |= LED_FAULT_OVER_TEMPERATURE; in lm3601x_read_faults()
152 led->last_flag |= LED_FAULT_SHORT_CIRCUIT; in lm3601x_read_faults()
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| H A D | leds-aat1290.c | 3 * LED Flash class driver for the AAT1290
13 #include <linux/led-class-flash.h>
21 #include <media/v4l2-flash-led-class.h>
50 /* maximum LED current in movie mode */
52 /* maximum LED current in flash mode */
58 /* max LED brightness level */
68 /* corresponding LED Flash class device */
95 static void aat1290_as2cwire_write(struct aat1290_led *led, int addr, int value) in aat1290_as2cwire_write() argument
99 gpiod_direction_output(led->gpio_fl_en, 0); in aat1290_as2cwire_write()
100 gpiod_direction_output(led->gpio_en_set, 0); in aat1290_as2cwire_write()
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| H A D | leds-ktd2692.c | 3 * LED driver : leds-ktd2692.c
13 #include <linux/led-class-flash.h>
52 /* maximum LED current in movie mode */
54 /* maximum LED current in flash mode */
58 /* max LED brightness level */
75 /* Related LED Flash class device */
98 struct ktd2692_context *led = fled_cdev_to_led(fled_cdev); in ktd2692_led_brightness_set() local
100 mutex_lock(&led->lock); in ktd2692_led_brightness_set()
103 led->mode = KTD2692_MODE_DISABLE; in ktd2692_led_brightness_set()
104 gpiod_direction_output(led->aux_gpio, 0); in ktd2692_led_brightness_set()
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| H A D | leds-mt6360.c | 8 #include <linux/led-class-flash.h>
9 #include <linux/led-class-multicolor.h>
15 #include <media/v4l2-flash-led-class.h>
101 struct mt6360_led *led = container_of(mccdev, struct mt6360_led, mc); in mt6360_mc_brightness_set() local
102 struct mt6360_priv *priv = led->priv; in mt6360_mc_brightness_set()
135 struct mt6360_led *led = container_of(lcdev, struct mt6360_led, isnk); in mt6360_isnk_brightness_set() local
136 struct mt6360_priv *priv = led->priv; in mt6360_isnk_brightness_set()
137 u32 enable_mask = MT6360_ISNK_ENMASK(led->led_no); in mt6360_isnk_brightness_set()
138 u32 val = level ? MT6360_ISNK_ENMASK(led->led_no) : 0; in mt6360_isnk_brightness_set()
143 ret = regmap_update_bits(priv->regmap, MT6360_REG_ISNK(led->led_no), in mt6360_isnk_brightness_set()
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| H A D | leds-qcom-flash.c | 9 #include <linux/led-class-flash.h>
14 #include <media/v4l2-flash-led-class.h>
175 static int set_flash_module_en(struct qcom_flash_led *led, bool en) in set_flash_module_en() argument
177 struct qcom_flash_data *flash_data = led->flash_data; in set_flash_module_en()
181 for (i = 0; i < led->chan_count; i++) in set_flash_module_en()
182 led_mask |= BIT(led->chan_id[i]); in set_flash_module_en()
193 dev_err(led->flash.led_cdev.dev, "write module_en failed, rc=%d\n", rc); in set_flash_module_en()
199 static int update_allowed_flash_current(struct qcom_flash_led *led, u32 *current_ma, bool strobe) in update_allowed_flash_current() argument
201 struct qcom_flash_data *flash_data = led->flash_data; in update_allowed_flash_current()
208 * 1) LED is disabled; in update_allowed_flash_current()
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| /linux/Documentation/devicetree/bindings/leds/ |
| H A D | common.yaml | 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
21 have to be tightly coupled with the LED device binding. They are represented
22 by child nodes of the parent LED device binding.
25 led-sources:
27 List of device current outputs the LED is connected to. The outputs are
28 identified by the numbers that must be defined in the LED device binding
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| H A D | leds-mt6360.yaml | 7 title: LED driver for MT6360 PMIC from MediaTek Integrated.
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
29 "^multi-led@[0-5]$":
36 description: Index of the LED.
38 - 0 # LED output ISINK1
39 - 1 # LED output ISINK2
40 - 2 # LED output ISINK3
41 - 3 # LED output ISINKML
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| H A D | leds-lp55xx.yaml | 7 title: TI/National Semiconductor LP55xx and LP8501 LED Drivers
15 LED Drivers.
79 '^multi-led@[0-8]$':
95 "^led@[0-8]$":
101 led-cur:
104 Current setting at each LED channel (mA x10, 0 if LED is not connected)
110 description: Maximum current at each LED channel.
118 "^led@[0-8]$":
124 led-cur:
127 Current setting at each LED channel (mA x10, 0 if LED is not connected)
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| /linux/drivers/net/wireless/broadcom/b43/ |
| H A D | leds.c | 5 LED control
48 struct b43_led *led) in b43_led_update() argument
53 if (!led->wl) 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()
67 led->hw_state = turn_on; in b43_led_update()
70 b43_led_turn_on(dev, led->index, led->activelow); in b43_led_update()
72 b43_led_turn_off(dev, led->index, led->activelow); in b43_led_update()
95 /* Callback from the LED subsystem. */
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| /linux/drivers/hid/ |
| H A D | hid-gt683r.c | 3 * MSI GT683R led driver
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()
84 struct gt683r_led *led = hid_get_drvdata(hdev); in mode_show() local
86 if (led->mode == GT683R_LED_NORMAL) in mode_show()
88 else if (led->mode == GT683R_LED_AUDIO) in mode_show()
102 struct gt683r_led *led = hid_get_drvdata(hdev); in mode_store() local
108 mutex_lock(&led->lock); in mode_store()
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| /linux/drivers/gpu/drm/nouveau/ |
| H A D | nouveau_led.c | 37 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()
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()
68 * - A: nvidia never puts the logo led to any other PWM controler in nouveau_led_set_brightness()
88 /* check that there is a GPIO controlling the logo LED */ in nouveau_led_init()
92 drm->led = kzalloc(sizeof(*drm->led), GFP_KERNEL); in nouveau_led_init()
93 if (!drm->led) in nouveau_led_init()
95 drm->led->dev = dev; in nouveau_led_init()
97 drm->led->led.name = "nvidia-logo"; in nouveau_led_init()
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| /linux/drivers/net/dsa/mv88e6xxx/ |
| H A D | leds.c | 10 /* Offset 0x16: LED control */
34 static int mv88e6xxx_led_brightness_set(struct mv88e6xxx_port *p, int led, in mv88e6xxx_led_brightness_set() argument
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()
97 int led; member
106 * certain LED given restrictions such as that some rules only work with fiber
121 .led = 0,
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