[alsa-devel] [PATCH 0/4] McBSP smart idle and DMA op mode updates for ASoC

Eduardo Valentin eduardo.valentin at nokia.com
Wed May 19 13:46:40 CEST 2010

On Wed, May 19, 2010 at 01:36:51PM +0200, Ujfalusi Peter (Nokia-D/Tampere) wrote:
> On Wednesday 19 May 2010 13:52:27 Valentin Eduardo (Nokia-D/Helsinki) wrote:
> > > The DMA pointer is easy, and it was know before as well, but according to
> > > my tests, the McBSP FIFO caused delay reporting is fairly accurate. I'll
> > > ask my users, if they have done some additional tests.
> > 
> > OK. fair enough. What if you really want to avoid the delay at all?
> You can't. the McBSP FIFO can not be bypassed.
> The only thing one can do is to take it into consideration.

hmmm well, you can still do not use the fifo completely. Use only partially depending
on latency requirement would still be possible.

> -- 
> Péter

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