Re: [PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resumein atc_control

From: Nicolas Ferre
Date: Fri May 06 2011 - 12:56:46 EST


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@xxxxxxxxx>
> ---

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.

[..]

Best regards,
--
Nicolas Ferre

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