Subject: Re: Maestro driver working (was: Maestro 2E in FreeBSD 4.2 working)
To: Dr. Rene Hexel <firstname.lastname@example.org>
From: Lennart Augustsson <email@example.com>
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?
"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.