[PATCH] UBUNTU sound/pci/hda/: Don't probe invalid codecs (hda_intel.c)

crimsun at fungus.sh.nu crimsun at fungus.sh.nu
Fri Feb 2 05:49:20 GMT 2007


From 74ace29610a16490576e78b44ca7bac9bf0f5ce0 Mon Sep 17 00:00:00 2001
From: Daniel T. Chen <crimsun at garnish.localdomain>
Date: Fri, 2 Feb 2007 00:25:15 -0500
Subject: [PATCH] UBUNTU sound/pci/hda/: Don't probe invalid codecs (hda_intel.c)

Status: Committed in upstream alsa-kernel hg

From Takashi Iwai:

Fix the max number of codecs detected by HD-intel (and compatible)
controllers to 3. Some hardware reports extra bits as if
connected, and the driver gets confused to probe unexisting codecs.

Signed-off-by: Daniel T Chen <crimsun at ubuntu.com>
---
 sound/pci/hda/hda_intel.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 1a7e821..77f8ec7 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -199,7 +199,7 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 
 /* STATESTS int mask: SD2,SD1,SD0 */
 #define STATESTS_INT_MASK	0x07
-#define AZX_MAX_CODECS		4
+#define AZX_MAX_CODECS		3
 
 /* SD_CTL bits */
 #define SD_CTL_STREAM_RESET	0x01	/* stream reset bit */
-- 
1.4.4.2

-- 
Daniel T. Chen            crimsun at ubuntu.com
GPG key:  0xC88ABDA3
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