V4L/DVB: videobuf: make poll() report proper flags for output video devices
According to the V4L2 specification, poll() should set POLLOUT | POLLWRNORM flags for output devices after the frame has been displayed. Signed-off-by:Pawel Osciak <p.osciak@samsung.com> Reviewed-by:
Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by:
Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by:
Mauro Carvalho Chehab <mchehab@redhat.com>
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