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ALSA: HDA VIA: When changing input source, update power state.

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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 19:07:55 +08:00 committed by Takashi Iwai
parent 1564b2878f
commit a80e6e3c8c
1 changed files with 8 additions and 0 deletions
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8
sound/pci/hda/patch_via.c
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@ -549,6 +549,14 @@ static int via_mux_enum_put(struct snd_kcontrol *kcontrol,
if (!spec->mux_nids[adc_idx])
return -EINVAL;
/* switch to D0 beofre change index */
if (snd_hda_codec_read(codec, spec->mux_nids[adc_idx], 0,
AC_VERB_GET_POWER_STATE, 0x00) != AC_PWRST_D0)
snd_hda_codec_write(codec, spec->mux_nids[adc_idx], 0,
AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
/* update jack power state */
set_jack_power_state(codec);
return snd_hda_input_mux_put(codec, spec->input_mux, ucontrol,
spec->mux_nids[adc_idx],
&spec->cur_mux[adc_idx]);