#include <linux/parport.h>
#include <linux/sched.h>
#include <linux/videodev.h>
+#include <media/v4l2-common.h>
#include <linux/mutex.h>
#include <asm/uaccess.h>
}
/* video device template */
-static struct file_operations qcam_fops = {
+static const struct file_operations qcam_fops = {
.owner = THIS_MODULE,
.open = video_exclusive_open,
.release = video_exclusive_release,