Re: Maestro 2E (rev 10) not found or device busy w/ 0.9.2

[Takashi Iwai <tiwai@suse.de>]

At Sun, 6 Apr 2003 12:55:56 -0600 (MDT),
alsa@0x00.my-ho.st wrote:
> 
> On Thu, 27 Mar 2003 alsa@0x00.my-ho.st wrote:
> 
> > On Thu, 27 Mar 2003, Takashi Iwai wrote:
> >
> > > At Wed, 26 Mar 2003 17:12:55 -0700 (MST),
> > > alsa@0x00.my-ho.st wrote:
> > > >
> > > > The 'maestro' driver included with Linux 2.4.x loads, and for the most
> > > > part works okay.  However trying to use the latest ALSA results in:
> > > >
> > > > kernel: es1968: not attempting power management.
> > > > kernel: ALSA ../../alsa-kernel/pci/ac97/ac97_codec.c:1960: AC'97 0:0 does not respond - RESET
> > > > kernel: ESS Maestro soundcard not found or device busy
> > > >
> > > > Anyone have any suggestions on how to fix this?
> > >
> > > which version of alsa did you test exactly?
> > > i thought this was fixed in the recent version.  please try the cvs
> > > version if not tried yet.
> >
> > Thanks for the quick response.  I have tried 0.9.2 and the latest cvs;
> > both give the same errors.  :(
> >
> > Any suggestions?
> 
> Since I didn't get any response yet I decided to look into this more
> closely myself.
> 
> The problem appears to be that although 0x8a05 is written to the
> AC97_REC_GAIN register, a subsequent read returns 0xa05.  Anyone know why
> this might occur?  Could someone more familiar with the ALSA code give me
> some pointers on where to go from here?

it seems that the codec is not 100% compliant to the ac97 spec.
which ac97 codec is on yours?  (you can proceed the process there by
replacing 0x8a05 to 0x0a05...)

also, please give the detail of your hardware (the product name and
the output of lspci -nv).


thanks,

Takashi


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