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[3.5.y.z,extended,stable] Patch "ALSA: hda - Cache the MUX selection for generic HDMI" has been added to staging queue

Message ID 1373022122-24289-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques July 5, 2013, 11:02 a.m. UTC
This is a note to let you know that I have just added a patch titled

    ALSA: hda - Cache the MUX selection for generic HDMI

to the linux-3.5.y-queue branch of the 3.5.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.5.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.5.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From e585e64981e983d2924e953e373b52a6fade764f Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 18 Jun 2013 16:14:22 +0200
Subject: [PATCH] ALSA: hda - Cache the MUX selection for generic HDMI

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(-)

--
1.8.1.2
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Patch

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 45e3102..2af1285 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -910,7 +910,7 @@  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);