V4L/DVB (8896): pvrusb2: Implement crop support

Implement pvrusb2 driver plumbing to support cropping.  Submitted by a
pvrusb2 user.

Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
index ccdb429..94a4771 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-i2c-chips-v4l2.c
@@ -37,8 +37,9 @@
 #define OP_VOLUME 3
 #define OP_FREQ 4
 #define OP_AUDIORATE 5
-#define OP_SIZE 6
-#define OP_LOG 7
+#define OP_CROP 6
+#define OP_SIZE 7
+#define OP_LOG 8
 
 static const struct pvr2_i2c_op * const ops[] = {
 	[OP_STANDARD] = &pvr2_i2c_op_v4l2_standard,
@@ -46,6 +47,7 @@
 	[OP_BCSH] = &pvr2_i2c_op_v4l2_bcsh,
 	[OP_VOLUME] = &pvr2_i2c_op_v4l2_volume,
 	[OP_FREQ] = &pvr2_i2c_op_v4l2_frequency,
+	[OP_CROP] = &pvr2_i2c_op_v4l2_crop,
 	[OP_SIZE] = &pvr2_i2c_op_v4l2_size,
 	[OP_LOG] = &pvr2_i2c_op_v4l2_log,
 };
@@ -59,6 +61,7 @@
 			(1 << OP_BCSH) |
 			(1 << OP_VOLUME) |
 			(1 << OP_FREQ) |
+			(1 << OP_CROP) |
 			(1 << OP_SIZE) |
 			(1 << OP_LOG));
 	cp->status_poll = pvr2_v4l2_cmd_status_poll;