diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index dae403b14aa2..b6a1c8b7f5d0 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -17,6 +17,7 @@ #include <linux/dmi.h> #include <linux/module.h> #include <linux/input.h> +#include <linux/leds.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/hda_codec.h> @@ -4103,6 +4104,26 @@ static void alc_gpio_micmute_update(struct hda_codec *codec) spec->gen.micmute_led.led_value); } +#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO) +static int micmute_led_set(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + struct hda_codec *codec = dev_to_hda_codec(led_cdev->dev->parent); + struct alc_spec *spec = codec->spec; + + alc_update_gpio_led(codec, spec->gpio_mic_led_mask, + spec->micmute_led_polarity, !!brightness); + return 0; +} + +static struct led_classdev micmute_led_cdev = { + .name = "hda::micmute", + .max_brightness = 1, + .brightness_set_blocking = micmute_led_set, + .default_trigger = "audio-micmute", +}; +#endif + /* setup mute and mic-mute GPIO bits, add hooks appropriately */ static void alc_fixup_hp_gpio_led(struct hda_codec *codec, int action, @@ -4110,6 +4131,7 @@ static void alc_fixup_hp_gpio_led(struct hda_codec *codec, unsigned int micmute_mask) { struct alc_spec *spec = codec->spec; + int err; alc_fixup_gpio(codec, action, mute_mask | micmute_mask); @@ -4122,6 +4144,13 @@ static void alc_fixup_hp_gpio_led(struct hda_codec *codec, if (micmute_mask) { spec->gpio_mic_led_mask = micmute_mask; snd_hda_gen_add_micmute_led(codec, alc_gpio_micmute_update); + +#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO) + micmute_led_cdev.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE); + err = devm_led_classdev_register(&codec->core.dev, &micmute_led_cdev); + if (err) + codec_warn(codec, "failed to register micmute LED\n"); +#endif } } |