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ALSA: hda - Add capture_switch_hook to generic parser 

Add a hook for the capture mixer switch.  This will be used by IDT
codecs for controlling the mic-mute LED.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-14 12:13:06 +01:00
parent 8fadf1da3f
commit ae177c3fd0
2 changed files with 18 additions and 1 deletions
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16
sound/pci/hda/hda_generic.c
View File

@ -2517,9 +2517,23 @@ static const struct snd_kcontrol_new cap_vol_temp = {
static int cap_sw_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
return cap_put_caller(kcontrol, ucontrol,
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct hda_gen_spec *spec = codec->spec;
int ret;
ret = cap_put_caller(kcontrol, ucontrol,
snd_hda_mixer_amp_switch_put,
NID_PATH_MUTE_CTL);
if (ret < 0)
return ret;
if (spec->capture_switch_hook) {
bool enable = (ucontrol->value.integer.value[0] ||
ucontrol->value.integer.value[1]);
spec->capture_switch_hook(codec, enable);
}
return ret;
}
static const struct snd_kcontrol_new cap_sw_temp = {

3
sound/pci/hda/hda_generic.h
View File

@ -227,6 +227,9 @@ struct hda_gen_spec {
struct hda_jack_tbl *tbl);
void (*mic_autoswitch_hook)(struct hda_codec *codec,
struct hda_jack_tbl *tbl);
/* capture switch hook (for mic-mute LED) */
void (*capture_switch_hook)(struct hda_codec *codec, bool enable);
};
int snd_hda_gen_spec_init(struct hda_gen_spec *spec);