I had this same bug with a plantronics usb headset. I followed the suggestions in comments 4 and 6 and they successfully removed the S/PDIF listing. For me the output of "cat /proc/asound/cards" was "Plantronics USB Headset".
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/975941 Title: [soundnua]: Spurious "Digital Output S/PDIF" output entry for USB headset To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/975941/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
