struct v4l2_dbg_register *);
typedef int (*cam_ident_op) (struct gspca_dev *,
struct v4l2_dbg_chip_ident *);
-typedef int (*cam_streamparm_op) (struct gspca_dev *,
+typedef void (*cam_streamparm_op) (struct gspca_dev *,
struct v4l2_streamparm *);
typedef int (*cam_qmnu_op) (struct gspca_dev *,
struct v4l2_querymenu *);