[Bug 498829] Re: sound output via headphone is not working correctly (alsa doesn't distinguish between speaker and front channel)

[Charon]

I checked with latest upstream kernels (2.6.33 and 2.6.34-rc6), but the
issue remains. I now installed the latest version of alsa manually
(1.0.23). Like that I have the possibility to switch off the speaker
without switching off the headphones. Auto-mute still doesn't work and
the channels seem to be mixed. The headphones are to be found as front,
while the channel headphones does nothing (perhaps the channel for the
docking station??).

** Tags added: lucid

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sound output via headphone is not working correctly (alsa doesn't distinguish between speaker and front channel)
https://bugs.launchpad.net/bugs/498829
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