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[023/145] ALSA: hda - Cache the MUX selection for generic HDMI

Message ID 1374101277-7915-24-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa July 17, 2013, 10:45 p.m. UTC 
3.8.13.5 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@suse.de>

commit bddee96b5d0db869f47b195fe48c614ca824203c upstream.

When a selection to a converter MUX is changed in hdmi_pcm_open(), it
should be cached so that the given connection can be restored properly
at PM resume.  We need just to replace the corresponding
snd_hda_codec_write() call with snd_hda_codec_write_cache().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 sound/pci/hda/patch_hdmi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index c690b2a..f186897 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1087,7 +1087,7 @@  static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 	per_cvt->assigned = 1;
 	hinfo->nid = per_cvt->cvt_nid;
 
-	snd_hda_codec_write(codec, per_pin->pin_nid, 0,
+	snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
 			    AC_VERB_SET_CONNECT_SEL,
 			    mux_idx);
 	snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);