linux-kernel - [PATCH] [243/275] ALSA: hda - Fix SPDIF out regression on ALC889

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Date:	Wed, 30 Mar 2011 14:08:09 -0700 (PDT)
From:	Andi Kleen <andi@...stfloor.org>
To:	tiwai@...e.de, gregkh@...e.de, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	tim.bird@...sony.com
Subject: [PATCH] [243/275] ALSA: hda - Fix SPDIF out regression on ALC889

2.6.35-longterm review patch.  If anyone has any objections, please let me know.

------------------
From: Takashi Iwai <tiwai@...e.de>

commit 20b67dddcc5f29d3d0c900225d85e0ac655bc69d upstream.

The commit 5a8cfb4e8ae317d283f84122ed20faa069c5e0c4
    ALSA: hda - Use ALC_INIT_DEFAULT for really default initialization
changed to use the default initialization method for ALC889, but
this caused a regression on SPDIF output on some machines.
This seems due to the COEF setup included in the default init procedure.
For making SPDIF working again, the COEF-setup has to be avoided for
the id 0889.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=24342
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 sound/pci/hda/patch_realtek.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6.35.y/sound/pci/hda/patch_realtek.c
===================================================================
--- linux-2.6.35.y.orig/sound/pci/hda/patch_realtek.c	2011-03-29 22:50:15.688856979 -0700
+++ linux-2.6.35.y/sound/pci/hda/patch_realtek.c	2011-03-29 23:03:03.274216391 -0700
@@ -1161,7 +1161,7 @@
 		case 0x10ec0883:
 		case 0x10ec0885:
 		case 0x10ec0887:
-		case 0x10ec0889:
+		/*case 0x10ec0889:*/ /* this causes an SPDIF problem */
 			alc889_coef_init(codec);
 			break;
 		case 0x10ec0888:
--
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