linux-kernel - [002/105] ALSA: hda - Fix SPDIF out regression on ALC889

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Message-Id: <20110412143548.120693495@clark.kroah.org>
Date:	Tue, 12 Apr 2011 07:33:51 -0700
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Takashi Iwai <tiwai@...e.de>
Subject: [002/105] ALSA: hda - Fix SPDIF out regression on ALC889

2.6.38-stable review patch.  If anyone has any objections, please let us 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>

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

--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -1360,7 +1360,7 @@ static void alc_auto_init_amp(struct hda
 		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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