are you using latest alsa driver ? most likely the digital spdif is conflicct with hdmi codec when both try to create those IEC958 controls
https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/?id=dcda5806165c155d90b9aa466a1602cf4726012b Node 0x10 [Audio Output] wcaps 0x611: Stereo Digital Control: name="IEC958 Playback Con Mask", index=0, device=0 Control: name="IEC958 Playback Pro Mask", index=0, device=0 Control: name="IEC958 Playback Default", index=0, device=0 Control: name="IEC958 Playback Switch", index=0, device=0 Control: name="IEC958 Default PCM Playback Switch", index=0, device=0 Device: name="ALC892 Digital", type="SPDIF", device=1 Converter: stream=8, channel=0 Digital: Non-Copyright Digital category: 0x12 IEC Coding Type: 0x0 PCM: rates [0x5f0]: 32000 44100 48000 88200 96000 192000 bits [0xe]: 16 20 24 formats [0x1]: PCM Power states: D0 D1 D2 D3 EPSS Power: setting=D0, actual=D0 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1155202 Title: [Intel DZ77SL-50K, Intel PantherPoint HDMI, Digital Out, HDMI] No sound at all Status in “alsa-driver” package in Ubuntu: Incomplete Bug description: I am using ubuntu 10.04 I expected sound Got no sound at all I am very new to ubuntu so I have no idea how to find the version of the package I am using ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1.1 ProcVersionSignature: Ubuntu 3.2.0-38.61-generic-pae 3.2.37 Uname: Linux 3.2.0-38-generic-pae i686 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu17.1 Architecture: i386 ArecordDevices: **** List of CAPTURE Hardware Devices **** AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jan 1750 F.... pulseaudio Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xf7c30000 irq 45' Mixer name : 'Intel PantherPoint HDMI' Components : 'HDA:80862806,80860101,00100000' Controls : 7 Simple ctrls : 2 CurrentDmesg: [ 24.291482] eth0: no IPv6 routers present Date: Thu Mar 14 08:53:13 2013 InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3) MarkForUpload: True PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed Symptom_Card: Built-in Audio - HDA Intel PCH Symptom_DevicesInUse: 1750 jan F.... pulseaudio PID ACCESS COMMAND Symptom_Jack: Digital Out, HDMI Symptom_Type: No sound at all Title: [, Intel PantherPoint HDMI, Digital Out, HDMI] No sound at all UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/19/2012 dmi.bios.vendor: Intel Corporation dmi.bios.version: SLZ7710H.86A.0055.2012.0319.2140 dmi.board.name: DZ77SL-50K dmi.board.vendor: Intel Corporation dmi.board.version: AAG55115-300 dmi.chassis.type: 3 dmi.modalias: dmi:bvnIntelCorporation:bvrSLZ7710H.86A.0055.2012.0319.2140:bd03/19/2012:svn:pn:pvr:rvnIntelCorporation:rnDZ77SL-50K:rvrAAG55115-300:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1155202/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

