diff options
Diffstat (limited to 'sound/pci/hda/hda_generic.c')
| -rw-r--r-- | sound/pci/hda/hda_generic.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 276150f29cda..4095cd7c56c6 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -29,6 +29,7 @@ #include <linux/string.h> #include <linux/bitops.h> #include <linux/module.h> +#include <linux/leds.h> #include <sound/core.h> #include <sound/jack.h> #include <sound/tlv.h> @@ -4035,6 +4036,36 @@ int snd_hda_gen_add_micmute_led(struct hda_codec *codec, } EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led); +#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO) +static void call_ledtrig_micmute(struct hda_codec *codec) +{ + struct hda_gen_spec *spec = codec->spec; + + ledtrig_audio_set(LED_AUDIO_MICMUTE, + spec->micmute_led.led_value ? LED_ON : LED_OFF); +} +#endif + +/** + * snd_hda_gen_fixup_micmute_led - A fixup for mic-mute LED trigger + * + * Pass this function to the quirk entry if another driver supports the + * audio mic-mute LED trigger. Then this will bind the mixer capture switch + * change with the LED. + * + * Note that this fixup has to be called after other fixup that sets + * cap_sync_hook. Otherwise the chaining wouldn't work. + */ +void snd_hda_gen_fixup_micmute_led(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ +#if IS_REACHABLE(CONFIG_LEDS_TRIGGER_AUDIO) + if (action == HDA_FIXUP_ACT_PROBE) + snd_hda_gen_add_micmute_led(codec, call_ledtrig_micmute); +#endif +} +EXPORT_SYMBOL_GPL(snd_hda_gen_fixup_micmute_led); + /* * parse digital I/Os and set up NIDs in BIOS auto-parse mode */ |