From a80e6e3c8c21ca50837e2e42fa438a4ff4a9788e Mon Sep 17 00:00:00 2001 From: Lydia Wang Date: Sat, 10 Oct 2009 19:07:55 +0800 Subject: [PATCH] ALSA: HDA VIA: When changing input source, update power state. Signed-off-by: Lydia Wang Signed-off-by: Logan Li Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_via.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 26ee1c3..c5e9994 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -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]); -- 2.7.4