dsp mmap change

[Juergen Lock]

On Fri, May 06, 2011 at 11:55:00AM +0300, Andriy Gapon wrote:
> 
> I would like to ask for a review and/or testing of the following patch:
> http://people.freebsd.org/~avg/dev_dsp_mmap.diff
> 
> It's supposed to fix an issue described here:
> http://lists.freebsd.org/pipermail/freebsd-multimedia/2011-February/011691.html
> 
> In short, the following pseudo-code should do the right thing:
> fd = open(/dev/dsp, O_RDWR);
> mmap(PROT_READ, fd);
> mmap(PROT_WRITE, fd);
> 
> Thank you!

Working here with skype 2.1.0.81 and pulseaudio without (and also
still with) disabline mmap for the mic.  Very nice! :)

 Note:  I had to disable the checkbox `Allow Skype to automatically
adjust my mixer levels', else it records garbage at least with my
mic.  (that is one of a webcam.)

 Thanx,
	Juergen