[PATCH] USB stv680.c: remove an unused function

The patch below removes an unused function from
drivers/usb/media/stv680.c
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/usb/media/stv680.c

@@ -498,12 +498,6 @@ static int stv_init (struct usb_stv *stv680)
 /****************************************************************************
  *  sysfs
  ***************************************************************************/
-static inline struct usb_stv *cd_to_stv(struct class_device *cd)
-{
-	struct video_device *vdev = to_video_device(cd);
-	return video_get_drvdata(vdev);
-}
-
 #define stv680_file(name, variable, field)				\
 static ssize_t show_##name(struct class_device *class_dev, char *buf)	\
 {									\