Your /etc/asound.conf is obsolete, since cs46xx supports multiplayback (pcm multiplexing) by default. You can move it out of the way for testing purposes.
Please mute all IEC958* elements using alsamixer, then play an audio file using ALSA output. -- No ALSA sound after upgrade from Breezy to Dapper https://launchpad.net/bugs/51644 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
