The bridge driver is only notified when the input status has changed
since the previous interrupt.
Signed-off-by: NMats Randgaard <matrandg@cisco.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>