[media] atmel-isc: start dma in some scenario
authorSongjun Wu <songjun.wu@microchip.com>
Wed, 28 Sep 2016 05:28:57 +0000 (02:28 -0300)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Mon, 24 Oct 2016 20:22:46 +0000 (18:22 -0200)
commitfa8bbe0a8567bf4eb87e82739465360a6797c91b
treeae0010f24a95c00630229f7035af29e7112f22e6
parent37e90a220abc4c5dee1fc42382cbca595a0e95bd
[media] atmel-isc: start dma in some scenario

If a new vb buf is added to vb queue, the queue is
empty and steaming, dma should be started.

Signed-off-by: Songjun Wu <songjun.wu@microchip.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/atmel/atmel-isc.c