--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/soc_camera/ov9640.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/soc_camera/ov9640.h	2021-02-04 17:41:59.000000000 +0000
@@ -199,6 +199,7 @@
 struct ov9640_priv {
 	struct v4l2_subdev		subdev;
 	struct v4l2_ctrl_handler	hdl;
+	struct v4l2_clk			*clk;
 
 	int				model;
 	int				revision;