Re: Cirrus Logic CS 4614/22/24 driver (IBM thinkpad T21)

From: Takashi Iwai
Date: Tue Nov 25 2003 - 13:08:14 EST


At Tue, 25 Nov 2003 10:27:54 -0800,
Martin J. Bligh wrote:
>
> > At Fri, 21 Nov 2003 15:46:55 -0800,
> > Martin J. Bligh wrote:
> >>
> >> Has anyone got the driver for this thing to work for more than about
> >> 24 hours? Seems to descend slowly into crackly hell. Or are there any
> >> ways to debug these damned things?
> >
> > well, this chip has a relatively complex DSP setting...
> >
> > i got reports that adjusting the mixer volumes may fix such an
> > occasional noise.
> > also, you can try the old DSP codes in kernel config.
>
> Mmmm ... OK - but how? I can't see anything obvious.

CONFIG_SND_CS46XX_NEW_DSP - marked as experimental.
oh, then you didn't turn it on?


Takashi
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