[Bug 573900] [NEW] X200 - Internal speakers get not muted when in dockingstation

[Godlike]

Public bug reported:

When I plug my Lenovo X200 Thinkpad in the Ultrabase dockingstation, the
internal speakers of the notebook don't get muted. I hear sound through
both, the external speakers connected to the ultrabase as well as the
internal speakers. Its working fine under windows.

I tried the model=lenovo-x200 switch in /etc/modprobe.d/alsa-base.conf
but it didn't help. I also tried booting from the LucidLynx LiveISO, but
the problem persists.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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X200 - Internal speakers get not muted when in dockingstation
https://bugs.launchpad.net/bugs/573900
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