From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/leds/trigger/ledtrig-audio.c | 65 ++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 drivers/leds/trigger/ledtrig-audio.c (limited to 'drivers/leds/trigger/ledtrig-audio.c') diff --git a/drivers/leds/trigger/ledtrig-audio.c b/drivers/leds/trigger/ledtrig-audio.c new file mode 100644 index 000000000..c6b437e63 --- /dev/null +++ b/drivers/leds/trigger/ledtrig-audio.c @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// Audio Mute LED trigger +// + +#include +#include +#include +#include "../leds.h" + +static enum led_brightness audio_state[NUM_AUDIO_LEDS]; + +static int ledtrig_audio_mute_activate(struct led_classdev *led_cdev) +{ + led_set_brightness_nosleep(led_cdev, audio_state[LED_AUDIO_MUTE]); + return 0; +} + +static int ledtrig_audio_micmute_activate(struct led_classdev *led_cdev) +{ + led_set_brightness_nosleep(led_cdev, audio_state[LED_AUDIO_MICMUTE]); + return 0; +} + +static struct led_trigger ledtrig_audio[NUM_AUDIO_LEDS] = { + [LED_AUDIO_MUTE] = { + .name = "audio-mute", + .activate = ledtrig_audio_mute_activate, + }, + [LED_AUDIO_MICMUTE] = { + .name = "audio-micmute", + .activate = ledtrig_audio_micmute_activate, + }, +}; + +enum led_brightness ledtrig_audio_get(enum led_audio type) +{ + return audio_state[type]; +} +EXPORT_SYMBOL_GPL(ledtrig_audio_get); + +void ledtrig_audio_set(enum led_audio type, enum led_brightness state) +{ + audio_state[type] = state; + led_trigger_event(&ledtrig_audio[type], state); +} +EXPORT_SYMBOL_GPL(ledtrig_audio_set); + +static int __init ledtrig_audio_init(void) +{ + led_trigger_register(&ledtrig_audio[LED_AUDIO_MUTE]); + led_trigger_register(&ledtrig_audio[LED_AUDIO_MICMUTE]); + return 0; +} +module_init(ledtrig_audio_init); + +static void __exit ledtrig_audio_exit(void) +{ + led_trigger_unregister(&ledtrig_audio[LED_AUDIO_MUTE]); + led_trigger_unregister(&ledtrig_audio[LED_AUDIO_MICMUTE]); +} +module_exit(ledtrig_audio_exit); + +MODULE_DESCRIPTION("LED trigger for audio mute control"); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3