From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Wed, 1 Apr 2015 04:15:16 +0000 (+0000)
Subject: ASoC: rsnd: add Synchronous SRC mode
X-Git-Tag: omap-for-v4.2/o2_dc~120^2~1^2~3^4~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43cb6954f8c8a68fdc354226fa045ff43c7e4d39;p=pandora-kernel.git

ASoC: rsnd: add Synchronous SRC mode

Renesas R-Car sound SRC (= Sampling Rate Converter) has
Asynchronous/Synchronous SRC mode. Asynchronous mode is already
supported via DPCM. This patch adds Synchronous mode on it.

The condition of enabling Synchronous mode are
- SoC is clock master
- Sound uses SRC
- Sound doesn't use DVC
- Sound card uses DPCM (= rsrc-card card)

	amixer set "SRC Out Rate" on
	aplay xxx.wav &
	amixer set "SRC Out Rate" 48000

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