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[Exie <extered@xxxxxxxxx>]

Well, I've done some research on this

Seems like plugging the headphones in makes pulseaudio change the audio
sink port. You can see that by using the

pacmd list | grep "active port"

and when you change active port back to "analog-output-speaker" with
headphones connected, everything works fine. Give it a try:

pacmd set-sink-port 0 analog-output-speaker

But I wonder if someone can fix that problem with analog-output-
headphones or just automatically change the volume level without
changing audio sink port (auto-mute works just fine)

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1304074

Title:
  [X550CC, Realtek ALC270, Black Headphone Out, Left] No sound at all

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  I have sound from the laptop, but no sound when i use the jack. It
  works when running windows.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.11.0-19.33-generic 3.11.10.5
  Uname: Linux 3.11.0-19-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  daniel     1734 F.... pulseaudio
   /dev/snd/pcmC0D0p:   daniel     1734 F...m pulseaudio
  Date: Mon Apr  7 23:17:24 2014
  InstallationDate: Installed on 2014-02-26 (40 days ago)
  InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131017)
  MarkForUpload: True
  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_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  daniel     1734 F.... pulseaudio
   /dev/snd/pcmC0D0p:   daniel     1734 F...m pulseaudio
  Symptom_Jack: Black Headphone Out, Left
  Symptom_Type: No sound at all
  Title: [X550CC, Realtek ALC270, Black Headphone Out, Left] No sound at all
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/16/2013
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X550CC.217
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X550CC
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550CC.217:bd10/16/2013:svnASUSTeKCOMPUTERINC.:pnX550CC:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550CC:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X550CC
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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