| /openbmc/linux/sound/usb/caiaq/ |
| H A D | control.c | 1 // 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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| /openbmc/linux/drivers/leds/ |
| H A D | leds-bd2802.c | 1 // 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>
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()
115 return !led->led[id].g; in bd2802_is_rgb_off()
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| H A D | Kconfig | 1 # SPDX-License-Identifier: GPL-2.0-only
10 bool "LED Support"
12 Say Y to enable Linux LED support. This allows control of supported
18 tristate "LED Class Support"
20 This option enables the LED sysfs class in /sys/class/leds. You'll
24 tristate "LED Flash Class Support"
27 This option enables the flash LED sysfs class in /sys/class/leds.
28 It wraps LED Class and adds flash LEDs specific sysfs attributes
30 for the flash related features of a LED device. It can be built
34 tristate "LED Multicolor Class Support"
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| H A D | leds-lm3692x.c | 1 // 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/
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()
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| H A D | leds-cpcap.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
7 #include <linux/mfd/motorola-cpcap.h>
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()
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| H A D | leds-max8997.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * leds-max8997.c - LED class driver for MAX8997 LEDs.
14 #include <linux/mfd/max8997-private.h>
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()
[all …]
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| H A D | leds-ns2.c | 1 // 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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| H A D | leds-wm8350.c | 1 // 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
92 if (led->enabled) in wm8350_led_enable()
95 ret = regulator_enable(led->isink); 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()
103 dev_err(led->cdev.dev, "Failed to enable DCDC: %d\n", ret); in wm8350_led_enable()
104 regulator_disable(led->isink); in wm8350_led_enable()
108 led->enabled = 1; in wm8350_led_enable()
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| H A D | leds-lm3697.c | 1 // 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>
47 * struct lm3697_led -
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)
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| H A D | leds-lm3533.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * leds-lm3533.c -- LM3533 LED driver
5 * Copyright (C) 2011-2012 Texas Instruments
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
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| H A D | leds-bcm6328.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Driver for BCM6328 memory-mapped LEDs, based on leds-syscon.c
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
100 * bits [63:48] -> unused
105 return pin + 16; /* LEDs 0-7 (bits 47:32) */ in bcm6328_pin2shift()
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| H A D | leds-regulator.c | 1 // 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>
40 * and the LED can be turned on and off. 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
63 if (led->enabled) in regulator_led_enable()
66 ret = regulator_enable(led->vcc); in regulator_led_enable()
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| /openbmc/linux/drivers/leds/flash/ |
| H A D | leds-lm3601x.c | 1 // 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>
73 * struct lm3601x_led -
74 * @fled_cdev: flash LED class device pointer
78 * @led_name: LED label for the Torch or IR LED
135 static int lm3601x_read_faults(struct lm3601x_led *led) in lm3601x_read_faults() argument
140 ret = regmap_read(led->regmap, LM3601X_FLAGS_REG, &flags_val); in lm3601x_read_faults()
142 return -EIO; in lm3601x_read_faults()
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| H A D | leds-aat1290.c | 1 // 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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| H A D | leds-ktd2692.c | 1 // SPDX-License-Identifier: GPL-2.0-only
3 * LED driver : leds-ktd2692.c
12 #include <linux/led-class-flash.h>
64 /* maximum LED current in movie mode */
66 /* maximum LED current in flash mode */
70 /* max LED brightness level */
75 /* Related LED Flash class device */
95 static void ktd2692_expresswire_start(struct ktd2692_context *led) in ktd2692_expresswire_start() argument
97 gpiod_direction_output(led->ctrl_gpio, KTD2692_HIGH); in ktd2692_expresswire_start()
101 static void ktd2692_expresswire_reset(struct ktd2692_context *led) in ktd2692_expresswire_reset() argument
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| H A D | leds-max77693.c | 1 // 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>
59 /* corresponding LED Flash class device */
80 /* sub led data */
96 /* bitmask of FLED outputs use state (bit 0. - FLED1, bit 1. - FLED2) */
109 return (ua - FLASH_IOUT_MIN) / FLASH_IOUT_STEP; in max77693_led_iout_to_reg()
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| /openbmc/u-boot/drivers/led/ |
| H A D | Kconfig | 1 menu "LED Support"
3 config LED config
4 bool "Enable LED support"
8 U-Boot provides a uclass API to implement this feature. LED drivers
9 can provide access to board-specific LEDs. Use of the device tree
13 bool "LED Support for BCM6328"
14 depends on LED && ARCH_BMIPS
17 LED HW controller accessed via MMIO registers.
20 means that if one LED is set to blink at 100ms and then a different
21 LED is set to blink at 200ms, both will blink at 200ms.
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| /openbmc/linux/Documentation/devicetree/bindings/leds/ |
| H A D | common.yaml | 1 # 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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| H A D | leds-mt6360.yaml | 1 # 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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| /openbmc/docs/architecture/ |
| H A D | LED-architecture.md | 1 # LED Support for OpenBMC
3 This document describes how to add LED support for your machine based upon the
4 OpenBMC [LED Architecture][led d-bus readme] document. LED group management is
8 ## D-Bus
11 Service xyx.openbmc_project.LED.GroupManager
12 Path /xyz/openbmc_project/led/groups/<label>
13 Interfaces xyz.openbmc_project.Led.Group
22 PUT /xyz/openbmc_project/led/groups/<group>/attr/Asserted
25 The LED group state can be changed by setting the Asserted value to boolean 0
29 curl -b cjar -k -X PUT -H "Content-Type: application/json" -d '{"data": 1}' \
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| /openbmc/docs/designs/ |
| H A D | multihost-physical-led.md | 1 # Physical LED Design Support
4 (Jayashree), [jayashree-d@hcl](mailto:jayashree-d@hcl.com)
12 The existing phosphor-led-sysfs design exposes one service per LED configuration
20 For example, Power LED and System Identification LED combines into a single
21 bicolor blue-yellow LED per host. A total of 4 × LEDs will be placed along the
25 Depending on the status of each host, blue or yellow LED needs to be Blink, OFF
26 or ON and other LEDs needs to be in OFF state. Therefore, bi-color LED needs to
29 Based on the current design in phosphor-led-sysfs application, pairing groups
30 will be difficult, since it exposes one service per LED. To abstract this method
35 The below diagram represents the overview for current physical LED design.
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| /openbmc/openbmc/meta-quanta/meta-gbs/recipes-phosphor/sensors/phosphor-nvme/ |
| H A D | nvme_json_rewrite.sh | 6 if [ ! -d "/sys/class/gpio/gpio$1" ]; then
12 # 1-0024
15 # 1-0021
17 if [ -d "/sys/bus/i2c/drivers/pca953x/1-0024" ]; then
18 presentPinBase="$(cat /sys/bus/i2c/drivers/pca953x/1-0024/gpio/gpiochip*/base)"
27 if [ -d "/sys/bus/i2c/drivers/pca953x/1-0021" ]; then
28 PwrGoodPinBase="$(cat /sys/bus/i2c/drivers/pca953x/1-0021/gpio/gpiochip*/base)"
43 "NVMeDriveFaultLEDGroupPath": "/xyz/openbmc_project/led/groups/led_u2_0_fault",
44 "NVMeDriveLocateLEDGroupPath": "/xyz/openbmc_project/led/groups/led_u2_0_locate",
45 … "NVMeDriveLocateLEDControllerBusName": "xyz.openbmc_project.LED.Controller.led_u2_0_locate",
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| /openbmc/linux/drivers/net/wireless/broadcom/b43/ |
| H A D | leds.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
5 LED control
7 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
9 Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
48 struct b43_led *led) in b43_led_update() argument
53 if (!led->wl) in b43_led_update()
56 radio_enabled = (dev->phy.radio_on && dev->radio_hw_enable); in b43_led_update()
58 /* The led->state read is racy, but we don't care. In case we raced in b43_led_update()
62 turn_on = atomic_read(&led->state) != LED_OFF; in b43_led_update()
65 if (turn_on == led->hw_state) in b43_led_update()
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| /openbmc/openbmc/meta-facebook/meta-ventura/recipes-phosphor/gpio/phosphor-gpio-monitor/ |
| H A D | frontled | 10 LEDtray=$(echo "$MESSAGE" | cut -d '-' -f1)
13 traynum=$(echo "$MESSAGE" | cut -d '-' -f3 | cut -d ' ' -f1)
14 LEDstate=$(echo "$MESSAGE" | cut -d ' ' -f4)
16 …busctl set-property "xyz.openbmc_project.LED.GroupManager" "/xyz/openbmc_project/led/groups/comput…
17 …busctl set-property "xyz.openbmc_project.LED.GroupManager" "/xyz/openbmc_project/led/groups/comput…
19 …busctl set-property "xyz.openbmc_project.LED.GroupManager" "/xyz/openbmc_project/led/groups/comput…
22 traynum=$(echo "$MESSAGE" | cut -d '-' -f3 | cut -d ' ' -f1)
23 LEDstate=$(echo "$MESSAGE" | cut -d ' ' -f4)
25 …busctl set-property "xyz.openbmc_project.LED.GroupManager" "/xyz/openbmc_project/led/groups/nvs""$…
26 …busctl set-property "xyz.openbmc_project.LED.GroupManager" "/xyz/openbmc_project/led/groups/nvs""$…
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| /openbmc/openbmc/meta-amd/meta-daytonax/recipes-phosphor/leds/daytonax-led-manager-config/ |
| H A D | led.yaml | 4 led-fault:
11 led-identify:
18 led-fault:
23 led-identify:
29 led-fault:
35 led-fault:
41 led-fault:
47 led-fault:
53 led-fault:
59 led-fault:
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