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[Raymond <1458981@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1458136 ***
    https://bugs.launchpad.net/bugs/1458136

** This bug has been marked a duplicate of bug 1458136
   [MS-7823, Realtek ALC892, Green SPDIF Out, Rear] No sound at all snd_hda_intel Cannot turn on display power on i915

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https://bugs.launchpad.net/bugs/1458981

Title:
  Digital Output HDMI not recognized at all: [HDA-Intel - HDA Intel PCH,
  playback] Playback problem Cannot turn on display power on i915

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  Digital playback was working just fine. HDMI connected to 32" Vizio
  television from msi Z97 PC Mate Motherboard. Now no digital output,
  not even as an option. Analog audio works just fine. When I plug
  headphones in there is no problem. that is all identified in Settings
  panel and terminal commands used for troubleshooting. but the HDMI
  output does not appear to be recognized as everything says Analog.
  Ubuntu 15.04

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
  Uname: Linux 3.19.0-18-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  canibal    2344 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Tue May 26 14:59:34 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-08-05 (293 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   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_Type: Only some of outputs are working
  Title: [HDA-Intel - HDA Intel PCH, playback] Playback problem
  UpgradeStatus: Upgraded to vivid on 2015-04-26 (30 days ago)
  dmi.bios.date: 04/18/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V4.0
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z97 PC Mate(MS-7850)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To be filled by O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV4.0:bd04/18/2014:svnMSI:pnMS-7850:pvr1.0:rvnMSI:rnZ97PCMate(MS-7850):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7850
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI

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