Me too - I have the same problem Master volume control does not work in Gutsy, kernel 2.6.22-14-generic (tested in alsamixer).
lspci: 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
cat /proc/asound/card0/codec#0: Codec: Conexant CX20551 (Waikiki) Address: 0 Vendor Id: 0x14f15047 Subsystem Id: 0x103c30a5 Revision Id: 0x100000 ...
Me too - I have the same problem
Master volume control does not work in Gutsy, kernel 2.6.22-14-generic (tested in alsamixer).
lspci:
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
cat /proc/asound/ card0/codec# 0:
Codec: Conexant CX20551 (Waikiki)
Address: 0
Vendor Id: 0x14f15047
Subsystem Id: 0x103c30a5
Revision Id: 0x100000
...