From: Peter Ujfalusi <peter.ujfalusi@ti.com>
Date: Fri, 14 Sep 2012 12:05:45 +0000 (+0300)
Subject: dmaengine: omap: Add support for pause/resume in cyclic dma mode
X-Git-Tag: omap-for-v3.8/cleanup-headers-signed~10^2~51
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2dcdf570936168d488acf90be9b04a3d32dafce7;p=pandora-kernel.git

dmaengine: omap: Add support for pause/resume in cyclic dma mode

The audio stack used omap_stop_dma/omap_start_dma to pause/resume the DMA.
This method has been used for years on OMAP based products.
We only allow pause/resume when the DMA has been configured in cyclic mode
which is used by the audio stack.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Tested-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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