V4L/DVB (8666): gspca: Bad scanning of frames in pac7311.

The previous change in packet scanning did not work,
Also, autogain was no more treated at interrupt level.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
1 file changed