int (*iolock) (struct videobuf_queue *q,
struct videobuf_buffer *vb,
struct v4l2_framebuffer *fbuf);
- int (*mmap) (struct videobuf_queue *q,
- unsigned int *count,
- unsigned int *size,
- enum v4l2_memory memory);
int (*sync) (struct videobuf_queue *q,
struct videobuf_buffer *buf);
int (*video_copy_to_user)(struct videobuf_queue *q,