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[Launchpad Bug Tracker <1379773@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/1379773

Title:
  Extremely low volume from HP and line-out with EAPD function

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  My sound codec is alc1150, I installed ubuntu 14.04 and updated my
  kernel to 3.17.0-031700-generic, I plugged into my headphone into rear
  red jack and I got extremely low volume despite I set max volume with
  slider, so is green front Headphone jack. I dumpped the sound codec
  and found they are all EAPD node. I also get some skipping and
  distorted issue earlier, but now only low volume issue.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  Uname: Linux 3.17.0-031700-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  austin     1860 F.... pulseaudio
   /dev/snd/controlC0:  austin     1860 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Fri Oct 10 20:12:39 2014
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-08-15 (56 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 failed
  Symptom_Card: Built-in Audio - HDA Intel PCH
  Symptom_Jack: Red Line Out, Rear
  Symptom_Type: High background noise, or volume is too low
  Title: [MS-7918, Realtek ALC1150, Red Line Out, Rear] Background noise or low volume
  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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