[media] omap3isp: Add information on external subdev to struct isp_pipeline

Add pointer to external subdev, pixel rate of the external subdev and bpp of
the format to struct isp_pipeline.

Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/omap3isp/ispvideo.h b/drivers/media/video/omap3isp/ispvideo.h
index c9187cb..5acc909 100644
--- a/drivers/media/video/omap3isp/ispvideo.h
+++ b/drivers/media/video/omap3isp/ispvideo.h
@@ -104,6 +104,9 @@
 	bool do_propagation; /* of frame number */
 	bool error;
 	struct v4l2_fract max_timeperframe;
+	struct v4l2_subdev *external;
+	unsigned int external_rate;
+	unsigned int external_bpp;
 };
 
 #define to_isp_pipeline(__e) \