tree 4aeeb9c081c05255615eb3fdd97268f58e6cc653
parent 543aabc7d295bfe2489f184259395e3467520d48
author Nicolas Ferre <nicolas.ferre@atmel.com> 1304704612 +0200
committer Vinod Koul <vinod.koul@intel.com> 1304921574 +0530

dmaengine: at_hdmac: implement pause and resume in atc_control

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@atmel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>