[PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc_control
nicolas.ferre at atmel.com
Fri May 6 12:56:33 EDT 2011
Le 06/05/2011 19:56, Nicolas Ferre :
> Pause and resume controls are useful for audio devices. This also returns
> correct status from atc_tx_status() in case chan is paused.
> Idea from dw_dmac patch by Linus Walleij.
> Signed-off-by: Nicolas Ferre <nicolas.ferre at atmel.com>
V2: In case of pause, some peripheral are not draining data out of FIFO
if they are stopped or not clocked: we need to find a way out with
a simple timeout.
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