#include <linux/list.h>
struct video_device;
-struct v4l2_events;
struct v4l2_ctrl_handler;
struct v4l2_fh {
struct list_head list;
struct video_device *vdev;
- struct v4l2_events *events; /* events, pending and subscribed */
struct v4l2_ctrl_handler *ctrl_handler;
enum v4l2_priority prio;
+
+ /* Events */
+ wait_queue_head_t wait;
+ struct list_head subscribed; /* Subscribed events */
+ struct list_head free; /* Events ready for use */
+ struct list_head available; /* Dequeueable event */
+ unsigned int navailable;
+ unsigned int nallocated; /* Number of allocated events */
+ u32 sequence;
};
/*
* from driver's v4l2_file_operations->open() handler if the driver
* uses v4l2_fh.
*/
-int v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev);
+void v4l2_fh_init(struct v4l2_fh *fh, struct video_device *vdev);
/*
* Add the fh to the list of file handles on a video_device. The file
* handle must be initialised first.