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[Raymond <1256646@xxxxxxxxxxxxxxxxxx>]

you have to follow up with tiwai  how to fix up node 0x20 of your
vt1708b

since it prevent your nvidia hdmi codec


Node 0x20 [Pin Complex] wcaps 0x400701: Stereo Digital
  Control: name="SPDIF Phantom Jack", index=0, device=0
  Pincap 0x00000010: OUT
  Pin Default 0x985601f0: [Fixed] Digital Out at Int HDMI
    Conn = Digital, Color = Unknown
    DefAssociation = 0xf, Sequence = 0x0
    Misc = NO_PRESENCE
  Pin-ctls: 0x40: OUT
  Power states:  D0 D1 D2 D3
  Power: setting=D0, actual=D0
  Connection: 1
     0x12

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to alsa-lib in Ubuntu.
https://bugs.launchpad.net/bugs/1256646

Title:
  [ASUS M3N78-VM, Nvidia MCP77/78 HDMI, Digital Out, HDMI] No sound at
  all

Status in ALSA driver:
  Unknown
Status in “alsa-driver” package in Ubuntu:
  Confirmed
Status in “alsa-lib” package in Ubuntu:
  New

Bug description:
  Sound stopped working on upgrade from 13.4 to 13.10.  Up until then,
  sound via HDMI worked fine.  Now, I get no sound through HDMI.
  Checked the Sound Settings and alsa mixer and everything looks fine.
  If I hook up speakers to the microphone port I get sound.

  I used "ubuntu-bug -s audio" to report this bug (very nice BTW).  If
  there is any additional information you need or anything you would
  like me to try, I am game for it.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
  Uname: Linux 3.11.0-13-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.12.5-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ray        2389 F.... pulseaudio
   /dev/snd/controlC1:  ray        2389 F.... pulseaudio
  Date: Sun Dec  1 09:35:49 2013
  InstallationDate: Installed on 2011-10-02 (791 days ago)
  InstallationMedia: Edubuntu 11.04 "Natty Narwhal" - Release amd64 (20110426)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia failed
  Symptom_Card: Built-in Audio - HDA NVidia
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ray        2389 F.... pulseaudio
   /dev/snd/controlC1:  ray        2389 F.... pulseaudio
  Symptom_Jack: Digital Out, HDMI
  Symptom_Type: No sound at all
  Title: [System Product Name, Nvidia MCP77/78 HDMI, Digital Out, HDMI] No sound at all
  UpgradeStatus: Upgraded to saucy on 2013-11-03 (27 days ago)
  dmi.bios.date: 04/09/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1009
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: M3N78-VM
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev X.0x
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1009:bd04/09/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM3N78-VM:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: System Product Name
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer

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