[PATCH v2 2/3] dmaengine: at_hdmac: implement pause and resume in atc_control

Nicolas Ferre 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.

[..]

Best regards,
-- 
Nicolas Ferre




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