From mboxrd@z Thu Jan 1 00:00:00 1970 From: Logan Li Subject: [PATCH 11/30] ALSA: HDA VIA: When changing input source, update power state. Date: Sat, 10 Oct 2009 19:07:55 +0800 Message-ID: <4AD06B0B.4090202@viatech.com.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from exchtp08.via.com.tw (exchtp08.via.com.tw [61.66.243.7]) by alsa0.perex.cz (Postfix) with ESMTP id 9D530103B99 for ; Sat, 10 Oct 2009 13:07:47 +0200 (CEST) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: alsa-devel-bounces@alsa-project.org Errors-To: alsa-devel-bounces@alsa-project.org To: alsa-devel@alsa-project.org Cc: tiwai@suse.de, HaraldWelte@viatech.com, LydiaWang@viatech.com.cn List-Id: alsa-devel@alsa-project.org From: Lydia Wang Subject: ALSA: HDA VIA: When changing input source, update power state. Signed-off-by: Lydia Wang Signed-off-by: Logan Li --- sound/pci/hda/patch_via.c | 8 ++++++++ 1 file changed, 8 insertions(+) --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -549,6 +549,14 @@ 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]);