rkisp1_path: Allow to pre-queue video buffers

In order to pre-queue video buffers, the memory management mode of the
video device should be switched to DMABUF and the buffer cache needs to
be initialized. This is done by the V4L2VideoDevice::importBuffers()
function.

Currently the RkISP1Path class calls importBuffers() in its start()
function, preventing buffer pre-queueing before starting the video
device.

Break out the buffer import operation to a pre-queue buffer function
to allow buffer pre-queueing.

Signed-off-by: Jacopo Mondi <jacopo.mondi@ideasonboard.com>

0 files changed, 0 insertions, 0 deletions