V4L/DVB (8822): gspca: Change some subdriver functions for suspend/resume.

- new function 'init' called on probe and resume
- remove the functions 'open' and 'closed'
- 'stopN' and 'stop0' are optional

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/gspca/gspca.h b/drivers/media/video/gspca/gspca.h
index a804ef1..7c2f44b2 100644
--- a/drivers/media/video/gspca/gspca.h
+++ b/drivers/media/video/gspca/gspca.h
@@ -90,15 +90,14 @@
 /* controls */
 	const struct ctrl *ctrls;
 	int nctrls;
-/* operations */
+/* mandatory operations */
 	cam_cf_op config;	/* called on probe */
-	cam_op open;		/* called on open */
+	cam_op init;		/* called on probe and resume */
 	cam_v_op start;		/* called on stream on */
-	cam_v_op stopN;		/* called on stream off - main alt */
-	cam_v_op stop0;		/* called on stream off - alt 0 */
-	cam_v_op close;		/* called on close */
 	cam_pkt_op pkt_scan;
 /* optional operations */
+	cam_v_op stopN;		/* called on stream off - main alt */
+	cam_v_op stop0;		/* called on stream off - alt 0 */
 	cam_v_op dq_callback;	/* called when a frame has been dequeued */
 	cam_jpg_op get_jcomp;
 	cam_jpg_op set_jcomp;