[PATCH 7/7] ASoC: Samsung: Update DMA interface

[Seungwhan Youn]

> Two questions here:
>
> - It looks like a lot of this code can be shared between all the drivers
>  using the dmaengine API.  Is there any reason not to factor it out?
> - Should this not be adding a new driver for dmaengine based Samsung
>  CPUs?  The ifdefs are very big.

I think that dma code looks very similar to current one, so how about
using platform_resource setting for dma type and make some inline
functions to cover these differences? We already have platform driver
for dma in arch/arm and dev-audio.c.