[alsa-devel] [PATCH] ASoC: snd_dmaengine: add common api for pcm_mmap

[Mark Brown]

On Thu, Jun 28, 2012 at 02:15:38PM +0200, Takashi Iwai wrote:
> Lars-Peter Clausen wrote:

> > to the ALSA core. Now that there is a generic dma_mmap_writecombine it may
> > make sense to integrate this with snd_pcm_lib_default_mmap.

> Agreed.

> Also, it must be portable.  So far, only ARM has
> dma_mmap_writecombine(), thus the build on other arch would fail as
> is.

Oh, dear - this means we don't actually have a generic API at all.  Is
there any effort being made to make this generally available?