From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Fri, 24 Jan 2014 02:42:00 +0000 (-0800)
Subject: ASoC: rsnd: add Gen2 SRC and DMAEngine support
X-Git-Tag: v3.15-rc1~36^2~1^2~5^2~5^6~28
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=629509c5bc478c0343d94c8c70812396f44447fb;p=pandora-kernel.git

ASoC: rsnd: add Gen2 SRC and DMAEngine support

Renesas sound Gen2 has SRC (= Sampling Rate Converter)
which needs 2 DMAC.
The data path image when you use SRC on Gen2 is

[mem] -> Audio-DMAC -> SRC -> Audio-DMAC-peri-peri -> SSIU -> SSI

This patch support SRC and DMAEnine.
It is tested on R-Car H2 Lager board

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