[ALSA] atiixp - Add a parameter ac97_quirk

Add an option to specify the AC'97 codec instead of
probing.  This is a fix for bugzilla #7467.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

1 files changed, 6 insertions, 0 deletions

diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index c54fd7c258d9..d853a303ffcb 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -242,6 +242,12 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
     ac97_clock          - AC'97 clock (default = 48000)
     ac97_quirk          - AC'97 workaround for strange hardware
                           See "AC97 Quirk Option" section below.
+    ac97_codec          - Workaround to specify which AC'97 codec 
+                          instead of probing.  If this works for you
+                          file a bug with your `lspci -vn` output.
+                          -2  -- Force probing.
+                          -1  -- Default behavior.
+                          0-2 -- Use the specified codec.
     spdif_aclink        - S/PDIF transfer over AC-link (default = 1)
 
     This module supports one card and autoprobe.