The OR has verified that his hardware distorts because of the 0 dB
offset not corresponding to the highest PCM level. Fix this by capping
said PCM level to 0 dB similarly to what we do for CX20549 (Venice).
Reported-by: Mike Pontillo
Tested-by: Mike Pontillo
Cc: <stable at kernel(dot)org>
Signed-off-by: Daniel T Chen
Signed-off-by: Takashi Iwai
The patch mentioned in comment 25 has been included in the newly released 2.6.34-rc3 linux kernel. From the changelog:
commit 025f206c9e0f96c c41567b01c07fb8 52d8900da1
Author: Daniel T Chen
Date: Sun Mar 21 18:34:43 2010 -0400
ALSA: hda: Fix 0 dB offset for HP laptops using CX20551 (Waikiki)
BugLink: https:/ /launchpad. net/bugs/ 420578
The OR has verified that his hardware distorts because of the 0 dB
offset not corresponding to the highest PCM level. Fix this by capping
said PCM level to 0 dB similarly to what we do for CX20549 (Venice).
Reported-by: Mike Pontillo
Tested-by: Mike Pontillo
Cc: <stable at kernel(dot)org>
Signed-off-by: Daniel T Chen
Signed-off-by: Takashi Iwai
There is a Karmic PPA of this kernel RC available at http:// kernel. ubuntu. com/~kernel- ppa/mainline/