Re: [Cooker] Switching between OSS and Alsa

Re: [Cooker] Switching between OSS and Alsa

[Thierry Vignaud]

Eugenio Diaz <getnito@yahoo.com> writes:

> > > Fresh install today of latest Cooker on a notebook with CS46xx
> > > sound chipset.
> > >
> > > As reported earlier, because of OSS drivers - I get a double
> > > (echo) sound. I want to switch to Alsa but there is not easy way
> > > to do it (through harddrake2 or sndconfig)
> > >
> > > What's the recommended way to switch between OSS and Alsa?
> > 
> > send me the output of "lspcidrake -v" and the alsa module to use,
> > and i'll alter the pcitable.
>
> The only problem being that this is a 4-channel card, and alsa
> supports only 2 while OSS supports all 4 channels!
>
> I remember exchanging emails with you about this, and the problem
> where the mixer control labels for the front channels and the main
> volume were reversed, back in early June. Back then you forwarded
> the problem to jaroslav (alsa main developer and snd-cs46xx author),
> but the problems are still there ...
>
> I am still using OSS just because it supports the 4-channels, and
> that makes a big difference; but I have to remove and reload the
> modules every now and then (like once every two days) because the
> sound gets corrupted.

Jaroslav ?



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Re: Re: [Cooker] Switching between OSS and Alsa

[Takashi Iwai]

At Wed, 21 Aug 2002 13:15:40 +0200,
Thierry Vignaud wrote:
> 
> Eugenio Diaz <getnito@yahoo.com> writes:
> 
> > > > Fresh install today of latest Cooker on a notebook with CS46xx
> > > > sound chipset.
> > > >
> > > > As reported earlier, because of OSS drivers - I get a double
> > > > (echo) sound. I want to switch to Alsa but there is not easy way
> > > > to do it (through harddrake2 or sndconfig)
> > > >
> > > > What's the recommended way to switch between OSS and Alsa?
> > > 
> > > send me the output of "lspcidrake -v" and the alsa module to use,
> > > and i'll alter the pcitable.
> >
> > The only problem being that this is a 4-channel card, and alsa
> > supports only 2 while OSS supports all 4 channels!
> >
> > I remember exchanging emails with you about this, and the problem
> > where the mixer control labels for the front channels and the main
> > volume were reversed, back in early June. Back then you forwarded
> > the problem to jaroslav (alsa main developer and snd-cs46xx author),
> > but the problems are still there ...
> >
> > I am still using OSS just because it supports the 4-channels, and
> > that makes a big difference; but I have to remove and reload the
> > modules every now and then (like once every two days) because the
> > sound gets corrupted.
> 
> Jaroslav ?
> 

already supported on 0.9.0rc3 (or better on cvs since the cs46xx
driver is updated often).

but as default, it's deactivated, since it's still experimental.
you need to uncomment two lines in alsa-driver/pci/cs46xx/Makefile
to use the new functions.


Takashi


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