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[dubis <1451170@xxxxxxxxxxxxxxxxxx>]

@Raymond

   sudo echo 1 > /sys/module/snd_hda_codec/parameters/coef_dump

The coef_dump  doesn't exist and the command above will create it.
There is a file named "dump_coef" in this directory which is contining
"-1" inside.

Do I apply the command that you gave me before provide alsa-info.sh
result?

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https://bugs.launchpad.net/bugs/1451170

Title:
  [ ASUS N550LF , Realtek ALC668, Speaker, Internal] To much sound

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  Hi

  My laptop speaker doesn't want to switch off when my headphones is plugged.
  Description:    Ubuntu 15.04
  Release:        15.04

  alsa-base:
    Installé : 1.0.25+dfsg-0ubuntu4
    Candidat : 1.0.25+dfsg-0ubuntu4
   Table de version :
   *** 1.0.25+dfsg-0ubuntu4 0
          500 http://fr.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
          100 /var/lib/dpkg/status

  Thanks for your support

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: alsa-base 1.0.25+dfsg-0ubuntu4
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   dubis    1793 F...m pulseaudio
   /dev/snd/controlC1:  dubis    1793 F.... pulseaudio
   /dev/snd/controlC0:  dubis    1793 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Sun May  3 13:25:39 2015
  InstallationDate: Installed on 2014-10-16 (198 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: Audio interne - HDA Intel PCH
  Symptom_DevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/pcmC1D0p:   dubis    1793 F...m pulseaudio
   /dev/snd/controlC1:  dubis    1793 F.... pulseaudio
   /dev/snd/controlC0:  dubis    1793 F.... pulseaudio
  Symptom_Jack: Speaker, Internal
  Symptom_PulsePlaybackTest: PulseAudio playback test successful
  Symptom_Type: No sound at all
  Title: [hostname, Realtek ALC668, Speaker, Internal] No sound at all
  UpgradeStatus: Upgraded to vivid on 2015-04-26 (6 days ago)
  dmi.bios.date: 01/13/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: N550LF.212
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: N550LF
  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.:bvrN550LF.212:bd01/13/2014:svnASUSTeKCOMPUTERINC.:pnN550LF:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550LF:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: N550LF
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  mtime.conffile..etc.modprobe.d.alsa.base.conf: 2015-05-01T15:39:09.184568

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