[alsa-devel] i.MX audio support
broonie at opensource.wolfsonmicro.com
Fri Nov 20 12:17:03 CET 2009
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.
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