Subject: Re: Maestro driver working (was: Maestro 2E in FreeBSD 4.2 working)
To: Dr. Rene Hexel <>
From: Lennart Augustsson <>
List: current-users
Date: 01/09/2001 07:58:19
Have you determined if it is the channels that are swapped (i.e.
left samples being fed to the right speaker) or if it is the mixer
controls that are swapped?

    -- Lennart

"Dr. Rene Hexel" wrote:

> "Rene Hexel" wrote:
> > Luke Mewburn wrote:
> >
> > > Is this a bug in the driver or a bug in the 5000e's wiring of the
> > > internal speakers?
> >
> >   From the definitions in the header files (which have been about my
> > only "documentation" in this respect), the driver seems to do it the
> > wrong way here.  However, sifting through the comments in the "other"
> > drivers it seems like there actually may be different wirings on
> > different hardware!
> >
> >   Well, since the 5000e seems to be consistent with what the header
> > files say, I will swap this for the moment.  We might be needing some
>   Now it starts getting interesting: while I can easily swap the left
> and the right channel in my driver, the only thing this accomplishes is
> to change whether the left samples are fed to the left or to the right
> channel (and vice versa for the right samples).
>   Volume settings are handled by the AC'97 mixer driver which is generic
> for all AC'97 sound cards.  I must admit that my knowledge of AC'97 is
> not intimate enough to know how to fix this.  Especially since this
> affects a lot of sound drivers.
>   Any ideas on how to fix this are welcome.
>   Cheers
>       ,
>    Rene