[linux-audio-dev] HELP:porting linux audio driver to RTLinux(rtlinux core driver)

[Lee Revell]

On Fri, 2005-04-08 at 06:24 -0700, nobin matthew wrote:
>  I am porting pxa audio driver to  rtlinux (rtlinux
> pro). I am mainly using pxa-ac97.c &
> pxa-audio.c(eliminated sound_core.c). I will try to
> register to two devices /dev/dsp and /dev/mixer in
> that. Since RTlinux kernel api are not much documented
> it seems very difficult to port dma and
> synchronization.
> 
> Is it possible to use dma in rtlinux(since it needs
> dynamic memory allocation).
> 
> I am sending the source code. can anybody tell me how
> to port this.

Personally I think you're wasting your time.  Ingo's RT preempt patches
let you do hard realtime with Linux using the existing driver base.

Good luck,

Lee