[alsa-devel] i.MX audio support

Sascha Hauer s.hauer at pengutronix.de
Fri Nov 20 13:27:00 CET 2009


On Fri, Nov 20, 2009 at 11:17:03AM +0000, Mark Brown wrote:
> On Thu, Nov 19, 2009 at 04:48:14PM +0100, Sascha Hauer wrote:
> 
> > one single FIFO. The WM9712 I worked with sends data in slot 12 which we have
> > to sort out manually from the FIFO, so I think there is no way to work around
> > the fiq handler using the DMA engine with AC97.
> 
> Slot 12 is used for GPIOs to allow them to be read/written without
> register accesses - I'd expect that data there will not be uncommon.
> 
> > The devdma code is actually a copy of sound/arm/devdma.[ch]. It should probably
> > be selected somehow instead of duplicated.
> 
> Yes, ideally.  A simple Makefile change in sound/arm should do the
> trick.  Other than this I'm happy with all the patches I've not
> specifically commented on.

Ok, great. I'm working on the comments you made. I expect this
will take some days. Thanks for review.

Sascha


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