Robert Olson olson at mcs.anl.gov
Wed Oct 11 14:11:18 CDT 2000

At 02:07 PM 10/11/2000 -0500, Stuart Levy wrote:
> > http://www-unix.mcs.anl.gov/web-mail-archive/lists/ag-tech/msg01231.html
>How does this rat handle the AC97 case?  George and I tried this yesterday:
>Running what we *think* was the right rat with OSS_IS_AC97=1 set,
>strace on the rat-4.2.4-media process showed that it would first
>attempt to set IGAIN (which failed with EINVAL) and then would
>successfully set LINE (which does the wrong thing).

If setting IGAIN failed, I suspect it's not really being AC97 compliant. 
Can you send me the output of the debugging rat, and the output of cat 

>I can't see the OSS driver source, but looking at the es1371.c driver,
>it appears that this case might work if rat were to
>    first try SOUND_MIXER_IGAIN,
>    then if that fails, try SOUND_MIXER_RECLEV,
>    and only if that also fails (or maybe, for AC97, never)
>         try SOUND_MIXER_LINE.
>    Stuart Levy
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