[media] V4L2 Spec: clarify usage of V4L2_FBUF_FLAG_PRIMARY

As per discussion during the 2011 V4L-DVB workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1 file changed