[media] gspca: Use req_events in poll

So that we don't start a read stream when an app is only polling for control
events.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans de Goede 2012-05-07 08:19:42 -03:00 • committed by Mauro Carvalho Chehab
commit a2d887c5fe