#include <linux/stringify.h>
#include <linux/mutex.h>
#include <linux/scatterlist.h>
+#include <media/v4l2-device.h>
#include <linux/vmalloc.h> /* for vmalloc() */
#include <linux/mm.h> /* for vmalloc_to_page() */
struct list_head item;
+ struct v4l2_device v4l2_dev;
+
/* different device locks */
spinlock_t slock;
struct mutex lock;