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[Raymond <1357724@xxxxxxxxxxxxxxxxxx>]

only those pin complexes with pincap OUT HP  are suitable for headphone
and need to set pin ctls to OUT HP

most line out jacks except green jack are without pincap HP and not
suitable for headphone

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https://bugs.launchpad.net/bugs/1357724

Title:
  Extremely low volume from HP, also skipping and distorted voice

Status in ALSA driver:
  Unknown
Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  I plugged into my headphone into rear red jack and I got extremely low
  volume despite I set max volume with slider, so is front Headphone
  jack. I dumpped the sound codec and found they are all EAPD node. I
  also get some skipping and distorted issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.13.0-34.60-generic 3.13.11.4
  Uname: Linux 3.13.0-34-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.3
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Sat Aug 16 21:57:33 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-08-15 (1 days ago)
  InstallationMedia: Xubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140723)
  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_Jack: Red Line Out, Rear
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: Underruns, dropouts, or "crackling" sound
  Title: [MS-7918, Realtek ALC1150, Red Line Out, Rear] Underruns, dropouts or crackling sound
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/24/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V2.3
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: Z97 GAMING 3 (MS-7918)
  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.:bvrV2.3:bd07/24/2014:svnMSI:pnMS-7918:pvr1.0:rvnMSI:rnZ97GAMING3(MS-7918):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.name: MS-7918
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI

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