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[Raymond <1516303@xxxxxxxxxxxxxxxxxx>]

https://bugzilla.kernel.org/enter_bug.cgi?product=Drivers


[   23.041018] snd_hda_intel 0000:00:1b.0: control 2:0:0:PCM Playback Volume:0 is already present

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https://bugs.launchpad.net/bugs/1516303

Title:
  [snd-hda-intel] No output sound on HDMI for conexant CX20561

Status in alsa-driver package in Ubuntu:
  New

Bug description:
  In other LTS ubuntu versions , I can get a HDMI output sound

  In 10.04 (out the box)
  In 12.04: need 'options snd-hda-intel model=hp-dv6736' to work
  In 14.04 not available!

  Possible regression!

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.16.0-39.53~14.04.1-generic 3.16.7-ckt11
  Uname: Linux 3.16.0-39-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.18
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  jacsalomon   1843 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Sat Nov 14 13:49:22 2015
  InstallationDate: Installed on 2015-10-25 (20 days ago)
  InstallationMedia: Linux Mint 17.2 "Rafaela" - Release amd64 20150723
  PackageArchitecture: all
  SourcePackage: alsa-driver
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/01/2008
  dmi.bios.vendor: Phoenix
  dmi.bios.version: F.2E
  dmi.board.name: 30CE
  dmi.board.vendor: Wistron
  dmi.board.version: 80.52
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnPhoenix:bvrF.2E:bd12/01/2008:svnHewlett-Packard:pnHPPaviliondv2700NotebookPC:pvrF.2E:rvnWistron:rn30CE:rvr80.52:cvnHewlett-Packard:ct10:cvrN/A:
  dmi.product.name: HP Pavilion dv2700 Notebook PC
  dmi.product.version: F.2E
  dmi.sys.vendor: Hewlett-Packard
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2015-11-14T13:29:09.262950

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