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[Launchpad Bug Tracker <573661@xxxxxxxxxxxxxxxxxx>]

** Changed in: gnome-media (Ubuntu)
       Status: New => Confirmed

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https://bugs.launchpad.net/bugs/573661

Title:
  gnome-volume-control slider moves both Master and PCM

Status in “gnome-media” package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: gnome-media

  When I try to adjust the output volume with gnome-volume-control or
  gnome-volume-control-applet, both the Master and PCM are affected. To
  reproduce:

    1. open gnome-volume-control or gnome-volume-control-applet
    2. open alsamixer (in a terminal) or gnome-alsamixer
    3. use the slider in gnome-volume-control or gnome-volume-control-applet to change the volume

  At this point, the Master slider in (gnome-)alsamixer should move
  along with the gnome-volume-control slider you are manipulating. What
  I am seeing instead is *both* the master and PCM sliders moving.

  The end result to the user is that the first volume step up from mute
  is quite loud.

  This problem does not occur if I change the sliders in alsamixer or
  gnome-alsamixer.

  The error first showed during the Ubuntu 9.10 cycle (it did not exist
  for previous releases), and it still exists in 10.04. I don't have it
  in Windows XP.

  I am using a Dell Inspiron E1705/9400 laptop with the snd-hda-intel
  kernel module. My codec is:

    $ cat /proc/asound/card0/codec#* | grep Codec
    Codec: SigmaTel STAC9200
    Codec: Conexant ID 2bfa

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