you have to provide URL of your shuttle specificatition try add following line to /etc/modprobe.d/alsa-base.conf if there are 6 audio Jacks at rear panel
options snd-hda-Intel model=6stack Model name Description ---------- ----------- ALC880 ====== 3stack 3-jack in back and a headphone out 3stack-digout 3-jack in back, a HP out and a SPDIF out 5stack 5-jack in back, 2-jack in front 5stack-digout 5-jack in back, 2-jack in front, a SPDIF out 6stack 6-jack in back, 2-jack in front 6stack-digout 6-jack with a SPDIF out -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1352491 Title: [SB81V10, Realtek ALC880, Line Out, N/A] Pulseaudio fails to detect card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1352491/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs