[alsa-devel] dmix and mmap

Gabriel Johnson johnsoga at gmail.com
Wed May 6 15:20:19 CEST 2009

Thanks for the help.  I ended up using Takashi Iwai's
dma_mmap_coherent patch and then added the mmap callback to my driver.
 So far it seems to be working.

On Tue, May 5, 2009 at 6:32 AM, Mark Brown <broonie at sirena.org.uk> wrote:
> On Mon, May 04, 2009 at 11:57:20AM -0500, Timur Tabi wrote:
>> The PowerPC MPC8610 drivers enable mmap support, and it seems to work,
>> but that chip has a coherent MMU.  I've never done a definitive test
>> that it works, though.  What's the easiest way to test mmap?
> If you had issues they'd be fairly obvious in the audio stream.

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