The spec specifies that setting count to 0 in v4l2_requestbuffers
should result in releasing any streaming resources and the stream
ownership. Implement this.
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Tested-by: NArvydas Sidorenko <asido4@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>