On Thu, 28 Mar 2002, Emiel Kollof wrote:

> Is it still maintained? The date of the awacs.c file in CVS is somewhere
> around march 2001, which is quite a while ago. On my slot-loading iMac it
> works, but it's quirky. i.e.  the volume stuff is acting weird. Sometimes
> it just jumps to its max volume, for no really apparent reason, making
> me, my dogs, and housemates litterary jump out of their seats. Not
> really good. To add insult to injury, recording isn't possible.
>
> Might it be an idea to look at the drivers from the 'other' operating
> systems? I hear ALSA has a nice driver, and the linux OSS ones seem to
> work okay as well. Maybe as an unsupported patch?

Look at Darwin. I've started adding bits of the Darwin audio drivers, but
haven't finished. Since it's Apple's code in MacOS X, I'd consider it a
very good reference. It's a bit weird as it's c++, but that's not too bad.

> I have wrt the awacs driver this wishlist:
>
> - when I plug external speakers into the headphone jack, the internal
>   speakers should shut the hell up
> - When I set the volume down to zero, the sound should be muted.
> - No jack-in-the-box games with the volume anymore (I still wonder why
>   that happens anyway)

Are you sure it's the driver?

> - recording from CD-audio and microphone
>
> I'd like to take a stab at it, where can I find documentation about the
> awacs driver itself? I googled, but nothing worthwhile came up. Any tips
> for porting a driver from another OS to NetBSD?
>
> Note that I'm not willing to take maintainership. I'll just kludge
> around with that driver until I have something that works better. If I
> have something promising, I'll send patches.

Go for it. :-)

Take care,

Bill