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[Launchpad Bug Tracker <1336257@xxxxxxxxxxxxxxxxxx>]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1336257

Title:
  [AO722, Conexant CX20588, Mic, Internal] Internal microphone doesn't
  work

Status in “alsa-driver” package in Ubuntu:
  Confirmed

Bug description:
  This bug is related to https://bugs.launchpad.net/ubuntu/+source/alsa-
  driver/+bug/1245020 with fresh install of Ubuntu 14.04. The previous
  workaround does not work. The input tab of Sound Settings has two
  inputs (1) Analog Input - built-in audio and (2) Internal microphone
  -built-in audio. Neither of them work.

  using alsamixer to toggle the input source back and forth from
  Internal Microphone to something else (mic or mic 1) and back to
  Internal microphone temporarily works. However this fix is not
  permanent. The internal microphone stops working after a while or
  after a restart.

  Thanks

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Jul  1 08:56:59 2014
  InstallationDate: Installed on 2014-06-15 (15 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaRecordingTest: ALSA recording test through plughw:SB failed
  Symptom_Card: Built-in Audio - HDA ATI SB
  Symptom_Jack: Mic, Internal
  Symptom_Type: Only some of inputs are working
  Title: [AO722, Conexant CX20588, Mic, Internal] Recording problem
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/25/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.11
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: JE10-BZ
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.11
  dmi.modalias: dmi:bvnAcer:bvrV1.11:bd09/25/2012:svnAcer:pnAO722:pvrV1.11:rvnAcer:rnJE10-BZ:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.11:
  dmi.product.name: AO722
  dmi.product.version: V1.11
  dmi.sys.vendor: Acer

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