tree a77b10af60d30302dbaced4dab7da5984127ca66
parent 3c68565b6cb68b731b51eb21b59dce901002fc6e
author Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> 1424428062 +0000
committer Mark Brown <broonie@kernel.org> 1425740670 +0000

ASoC: rsnd: add Audio DMAC peri peri support rework

Renesas R-Car sound (= rsnd) needs 2 DMAC which are called as
Audio DMAC (= 1st DMAC) and Audio DMAC peri peri (2nd DMAC).
And rsnd had assumed that 1st / 2nd DMACs are implemented as DMAEngine.
But, in result of DMA ML discussion, 2nd DMAC was concluded that it is
not a general purpose DMAC (2nd DMAC is for Device to Device inside
sound system). Additionally, current DMAEngine can't support Device to
Device, and we don't have correct DT bindings for it at this point.
So the easiest solution for it is that move it from DMAEngine to rsnd
driver.
Audio DMAC peri peri is controlled from sound driver without DMAEngine
by this patch.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>