if your Asus Supreme FX2 does not have any spdif out (optical or coaxial) you need to perform pin fixup to change pin default of node 0x1b from [Jack] SPDIF OUT to [N/A]
by early patching or hda-jack-retask https://launchpad.net/~diwic/+archive/hda http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/Documentation/sound/alsa/HD-Audio.txt Node 0x1b [Pin Complex] wcaps 0x40030d: Stereo Digital Amp-Out Control: name="IEC958 Playback Volume", index=0, device=0 ControlAmp: chs=3, dir=Out, idx=0, ofs=0 Control: name="IEC958 Playback Source", index=0, device=0 Amp-Out caps: ofs=0x27, nsteps=0x27, stepsize=0x05, mute=1 Amp-Out vals: [0x1a 0x1a] Pincap 0x00000010: OUT Pin Default 0x0145f1a0: [Jack] SPDIF Out at Ext Rear Conn = Optical, Color = Other DefAssociation = 0xa, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x40: OUT Connection: 1 0x02 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1120853 Title: [AD1988B,] 5.1 surround sound unresposive or of poor quality To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1120853/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
