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[Launchpad Bug Tracker <1521381@xxxxxxxxxxxxxxxxxx>]

[Expired for pulseaudio (Ubuntu) because there has been no activity for
60 days.]

** Changed in: pulseaudio (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1521381

Title:
  Volume control does not switch audio device after plugging in

Status in pulseaudio package in Ubuntu:
  Expired

Bug description:
  After plugging in an audio device, the volume control appears to stay
  on the main system device. Therefore, sound is emitted from the
  external device but when controlling volume, it doesn't change the
  output level.

  It is necessary to go to 'Sound Settings' and change the output device
  to the one where sound is actually being output from in order to gain
  volume control of that device.

  Use case #1:

  (1) Plug in USB Logitech Clearchat.
  (2) Control volume from the unity slider
  Result: Slider moves but does not change output level.

  Use case #2:
  (1) Plug in USB Logitech Clearchat.
  (2) Control volume using keyboard function keys.
  Result: Volume pop-up appears in Unity showing level changing, but output level does not change.

  Use case #3:
  (1) Plug in USB Logitech Clearchat.
  (2) Use built-in volume control buttons on the audio device.
  Result: same as case #2

  Tested on Intel based desktop running 14.04
  Tested on ASUS laptop running 15.04

  This is not only limited to Ubuntu, seems present in RHEL6 as well.

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