The abovementioned fix is now available upstream in kernel 2.6.32.12. From the changelog:
commit 33ae7f00cbb6750d1c4b308cdd966794edbe4aef Author: Daniel T Chen Date: Sat Dec 19 18:19:02 2009 -0500
ALSA: hda: Set Front Mic to input vref 50% for Lenovo 3000 Y410
commit e2595322a3a353a59cecd7f57e7aa421ecb02d12 upstream.
BugLink: https://bugs.launchpad.net/bugs/479373
The OR has verified with hda-verb that the internal microphone needs VREF50 set for audible capture.
Signed-off-by: Daniel T Chen Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman
The abovementioned fix is now available upstream in kernel 2.6.32.12. From the changelog:
commit 33ae7f00cbb6750 d1c4b308cdd9667 94edbe4aef
Author: Daniel T Chen
Date: Sat Dec 19 18:19:02 2009 -0500
ALSA: hda: Set Front Mic to input vref 50% for Lenovo 3000 Y410
commit e2595322a3a353a 59cecd7f57e7aa4 21ecb02d12 upstream.
BugLink: https:/ /bugs.launchpad .net/bugs/ 479373
The OR has verified with hda-verb that the internal microphone needs
VREF50 set for audible capture.
Signed-off-by: Daniel T Chen
Signed-off-by: Takashi Iwai
Signed-off-by: Greg Kroah-Hartman