Re: Inverted front speakers on sb live

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At Tue, 11 Jul 2006 13:21:12 +0200,
Wiebe Cazemier wrote:
> 
> On Tuesday 11 July 2006 12:49, Wiebe Cazemier wrote:
> 
> > I don't have ld10k1.
> > 
> > These are all the files in /usr/bin that alsa-tools provide:
> > 
> > /usr/bin/ac3dec
> > /usr/bin/as10k1
> > /usr/bin/cspctl
> > /usr/bin/echomixer
> > /usr/bin/envy24control
> > /usr/bin/extract_ac3
> > /usr/bin/hdsploader
> > /usr/bin/mixartloader
> > /usr/bin/rmedigicontrol
> > /usr/bin/sbiload
> > /usr/bin/sscape_ctl
> > /usr/bin/us428control
> > /usr/bin/usx2yloader
> > /usr/bin/vxloader
> > 
> > Hmm, this is strange. Alsa-tools 1.0.11 I installed in Gentoo doesn't have
> > ld10k1, but the tar file of 1.0.10 does have it. I wonder why it's not
> > installed in Gentoo. At least I have something to go on now. Thanks.
> 
> OK, this is proving to be difficult. When you start the patch server (ld10k1),
> the DSP is cleared (at least mostly) and whatever initialisations alsa did,
> like setting up the mixer, are gone. There is an init_live script in the
> alsa-tools package, but I'm not sure if that sets it up like the driver itself
> does. What's also curious, is that the effects contained in the alsa-tools
> package are almost the same as the OSS EMU driver, except for inv.asm, which
> solves the inversion problem.
> 
> Because the driver does it's own initialisation (DSP configuration and routing
> and such), shouldn't it also take care of the inversion problem? It's kind of
> strange that this problem is not addressed anymore in Alsa, whereas it was in
> the OSS driver.

Yes, it'd be better to include it in the driver code, IMO.
Which chip model is affected by this problem?


Takashi


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