ubuntu 9.10 - サウンド設定

lspci | grep -i audio
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)


どうしてだか分からないが、

/etc/pulse/default.pa の

### Automatically load driver modules depending on the hardware available
.ifexists module-udev-detect.so
load-module module-udev-detect
.else
### Alternatively use the static hardware detection module (for systems that
### lack udev support)
load-module module-detect
.endif

を

### Automatically load driver modules depending on the hardware available
#.ifexists module-udev-detect.so
#load-module module-udev-detect
#.else
### Alternatively use the static hardware detection module (for systems that
### lack udev support)
load-module module-detect
#.endif

コメントアウト。
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/394500/comments/14

それと

/etc/modprobe.d/alsa-base.conf
に
options snd-hda-intel model=laptop-micsense
を追加