[LAU] [problem] no sound from one channel, VIA Technologies Inc. VT1720/24

Hi

I have this PCI soundcard (from "Encore" manufacturer)  and I am using debian
lenny

lspci | grep audio
01:09.0 Multimedia audio controller: VIA Technologies Inc. VT1720/24
[Envy24PT/HT] PCI Multi-Channel Audio Controller (rev 01)

I cant get sound of the 2 channels using neither an old 2.6.18 kernel or a new
2.6.32 from Debian or a 2.6.29 from Musix.

There is no problem with the physical output jacks: all headphones play only
one channel.

Also i tried with all the mixers: alsamixer, gamix, gnome-alsamixer, kmix,
etc. enabling and disabling all the things and it does not work well.

Any clue?

uname -a
Linux musix 2.6.32-trunk-686 #1 SMP Sun Jan 10 06:32:16 UTC 2010 i686
GNU/Linux

Regards,

-- 
Marcos Guglielmetti
www.musix.org.ar
www.ovejafm.com
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