You should be able to use the M key to unmute/turn on S/PDIF. If that doesn't work then there is a deeper problem in the driver somewhere I suspect.
Luke -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/778051 Title: PCM outputs are mute (optical and coax) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
