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ALSA: HDA VIA: Refresh front playback mute in via_hp_automute. 

Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Lydia Wang 2009-10-10 19:08:15 +08:00 committed by Takashi Iwai
parent a34df19a65
commit dcf34c8cc6
1 changed files with 15 additions and 4 deletions
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19
sound/pci/hda/patch_via.c
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@ -1351,14 +1351,25 @@ static void via_free(struct hda_codec *codec)
/* mute internal speaker if HP is plugged */
static void via_hp_automute(struct hda_codec *codec)
{
unsigned int present;
unsigned int present = 0;
struct via_spec *spec = codec->spec;
present = snd_hda_codec_read(codec, spec->autocfg.hp_pins[0], 0,
AC_VERB_GET_PIN_SENSE, 0) & 0x80000000;
snd_hda_codec_amp_stereo(codec, spec->autocfg.line_out_pins[0],
HDA_OUTPUT, 0, HDA_AMP_MUTE,
present ? HDA_AMP_MUTE : 0);
if (!spec->hp_independent_mode) {
struct snd_ctl_elem_id id;
/* auto mute */
snd_hda_codec_amp_stereo(
codec, spec->autocfg.line_out_pins[0], HDA_OUTPUT, 0,
HDA_AMP_MUTE, present ? HDA_AMP_MUTE : 0);
/* notify change */
memset(&id, 0, sizeof(id));
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
strcpy(id.name, "Front Playback Switch");
snd_ctl_notify(codec->bus->card, SNDRV_CTL_EVENT_MASK_VALUE,
&id);
}
}
static void via_gpio_control(struct hda_codec *codec)