From: Logan Li <loganli@viatech.com.cn>
To: alsa-devel@alsa-project.org
Cc: tiwai@suse.de, HaraldWelte@viatech.com, LydiaWang@viatech.com.cn
Subject: [PATCH 11/30] ALSA: HDA VIA: When changing input source, update power state.
Date: Sat, 10 Oct 2009 19:07:55 +0800 [thread overview]
Message-ID: <4AD06B0B.4090202@viatech.com.cn> (raw)
From: Lydia Wang <lydiawang@viatech.com.cn>
Subject: ALSA: HDA VIA: When changing input source, update power state.
Signed-off-by: Lydia Wang <lydiawang@viatech.com.cn>
Signed-off-by: Logan Li <loganli@viatech.com.cn>
---
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]);
next reply other threads:[~2009-10-10 11:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-10 11:07 Logan Li [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-10-09 10:40 [PATCH 11/30] ALSA: HDA VIA: When changing input source, update power state LoganLi
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