-extern int video_usercopy(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg,
- int (*func)(struct inode *inode, struct file *file,
- unsigned int cmd, void *arg));
+extern long video_usercopy(struct file *file, unsigned int cmd,
+ unsigned long arg, v4l2_kioctl func);
+
+/* Standard handlers for V4L ioctl's */
+extern long video_ioctl2(struct file *file,
+ unsigned int cmd, unsigned long arg);