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[Bug 1467622] Re: [SATELLITE L750, Conexant CX20585, Speaker, Internal] Playback problem, speakers don't work


** Package changed: alsa-driver (Ubuntu) => linux (Ubuntu)

** Tags added: kernel-sound

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  [SATELLITE L750, Conexant CX20585, Speaker, Internal] Playback
  problem, speakers don't work

Status in linux package in Ubuntu:

Bug description:
  Sound works through headphones, but it does not through the speakers.
  HOWEVER, at logon, I can hear the drums sound, so it's not a hardware issue.
  SOMETIMES, executing "amixer -c0 set Headphone unmute 100%", as adviced in [1], works temporarily.
  I had same issue with Fedora 22, see [1] for context.

  [1] http://www.forums.fedoraforum.org/showthread.php?t=304857

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-21.21-generic 3.19.8
  Uname: Linux 3.19.0-21-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1.1
  Architecture: amd64
   /dev/snd/controlC0:  alex       1580 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Mon Jun 22 19:41:55 2015
  InstallationDate: Installed on 2015-06-19 (3 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:MID failed
  Symptom_Card: Audio Interno - HDA Intel MID
  Symptom_Jack: Speaker, Internal
  Symptom_Type: Only some of outputs are working
  Title: [SATELLITE L750, Conexant CX20585, Speaker, Internal] Playback problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/03/2012
  dmi.bios.vendor: INSYDE
  dmi.bios.version: 2.80
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Base Board Product Name
  dmi.board.vendor: Intel Corp.
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvr2.80:bd07/03/2012:svnTOSHIBA:pnSATELLITEL750:pvrPSK6ME-01900HCE:rvnIntelCorp.:rnBaseBoardProductName:rvrBaseBoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: SATELLITE L750
  dmi.product.version: PSK6ME-01900HCE
  dmi.sys.vendor: TOSHIBA

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