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[Raymond <1458309@xxxxxxxxxxxxxxxxxx>]

recording from audio mixer node 0x0b is disabled on notebook because of
auto mic switch


Node 0x23 [Audio Mixer] wcaps 0x20010b: Stereo Amp-In
  Amp-In caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
  Amp-In vals:  [0x00 0x00] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80] [0x80 0x80]
  Connection: 6
     0x18 0x19 0x1a 0x1b 0x1d 0x0b

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https://bugs.launchpad.net/bugs/1458309

Title:
  [Aspire 5750G, Intel CougarPoint HDMI, Digital Out, HDMI] Ear
  microphone capture in the earphones using headset

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  I'm using ubuntu 14.04.02. When i plug my hearphone via duoble jack i hear my microphone capture in the earphones.
  Plugging only microphone jack i ear capture in the speakers, plugging only headphones jack i ear capture of the internal mic.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-46.79-generic 3.13.11-ckt15
  Uname: Linux 3.13.0-46-generic x86_64
  NonfreeKernelModules: wl
  ApportVersion: 2.14.1-0ubuntu3.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  stiggia    2097 F.... pulseaudio
                        stiggia    2405 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Sun May 24 11:46:09 2015
  InstallationDate: Installed on 2014-07-30 (297 days ago)
  InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1)
  PackageArchitecture: all
  SourcePackage: alsa-driver
  Symptom: audio
  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH successful
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  stiggia    2097 F.... pulseaudio
                        stiggia    2405 F.... pulseaudio
   /dev/snd/seq:        timidity   1309 F.... timidity
  Symptom_Jack: Digital Out, HDMI
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: No sound at all
  Title: [Aspire 5750G, Intel CougarPoint HDMI, Digital Out, HDMI] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/09/2012
  dmi.bios.vendor: Acer
  dmi.bios.version: V1.21
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: JE50_HR
  dmi.board.vendor: Acer
  dmi.board.version: Base Board Version
  dmi.chassis.type: 10
  dmi.chassis.vendor: Acer
  dmi.chassis.version: V1.21
  dmi.modalias: dmi:bvnAcer:bvrV1.21:bd08/09/2012:svnAcer:pnAspire5750G:pvrV1.21:rvnAcer:rnJE50_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.21:
  dmi.product.name: Aspire 5750G
  dmi.product.version: V1.21
  dmi.sys.vendor: Acer

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