Not sure if this is to be considered a "workaround" or a "solution," but passing probe_mask=1 to the card in /etc/modprobe.d/alsa-base as described in https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/114522 produces sound for me.
Not sure if this is to be considered a "workaround" or a "solution," but passing probe_mask=1 to the card in /etc/modprobe. d/alsa- base as described in https:/ /bugs.launchpad .net/ubuntu/ +source/ linux-source- 2.6.20/ +bug/114522 produces sound for me.