At Wed, 19 Nov 2003 23:04:57 +0800, Richard Chan wrote: > > > I've finally got 5.1 out of my via82xx/ALC655 system using the > Line-In/Mic jacks! > Thanks Takashi.
glad to hear that it works now. what was the problem?
> However I seem to have got Center/LFE switched with Surround.
> I.e. if I play xine & mplayer (L, R, RearL, RearR, Center, LFE)
> through surround51 I get Center/LFE switched with Rear speakers.
ah, this reminds me an old story.
there is a mixer switch "Swap Surround Slot". and, IIRC, starngely
enough, for 5.1 this should be turned on for 5.1 output while it's off
for 4.0.
>
> I must use the following to work in .asoundrc
> pcm_slave.sltest {
> pcm "hw:0,1"
> channels 6
> }
>
> pcm.via51 {
> type plug
> ttable.0.0 1
> ttable.1.1 1
> ttable.2.4 1
> ttable.3.5 1
> ttable.4.2 1
> ttable.5.3 1
> slave sltest
> }
this is also a solution, but the attached would be more "light" way.
copy the attached file to /usr/share/alsa/cards.
also, if you have chance, please test 4.0 output, too.
thanks,
Takashi
VIA8233.conf
Description: Binary data
