Re: [Realtek ALC260] Can't enable SPDIF out

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Hello Tobins,

Tobin Davis wrote:
>  Just for grins, could you test the alsa package from RealTek located
> here: 
> ftp://202.65.194.18/pc/hda/alc880d/realtek-linux-audiopack-4.05b.tar.bz2
> 
> I was looking it over, and although it's based on alsa 1.0.9b, there are
> some new differences with the alc250 code (among other things) when
> compared with the alsa-project tip.
> 
> If it works, I'll work on porting their changes into the mainstream.

I already found this package and tested it. I build a diff between alsa
1.0.12 and realtek-linux-audiopack-4.05b.tar.bz2. There are no changes
regarding ALC260 and therefore, there is no difference in behaviour.
BTW: The dirvers are based on ALSA 1.0.12.

I tried it with there alsa-lib 1.0.9 - but this didn't work, too.

I think Maxdata is doing something really nasty, because they use the same
jack for Headphone and S/PDIF out. Maybe, there is a special jack plug
needed? I'm using a standard stereo jack plug.

They must ensure, that the S/PDIF signal doesn't collide with the output
of the analog amplifier (if they have an own). I saw in the datasheet for
the ACL260 chip, that there is a verb with the function SET_EAPD_ENABLE
(-> extern amplifier power down). Maybe, this should be called before
starting SPDIF out (if it's not already done).



Thanks for your hint,
kind regards,
Andreas Hartmann

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