tw5864_buf
input->vidq.buf_struct_size = sizeof(struct tw5864_buf);
struct tw5864_buf *vb = input->vb;
vb = list_first_entry(&input->active, struct tw5864_buf, list);
struct tw5864_buf *vb;
struct tw5864_buf *buf = container_of(vbuf, struct tw5864_buf, vb);
struct tw5864_buf *buf = list_entry(input->active.next,
struct tw5864_buf, list);
struct tw5864_buf *buf = list_entry(input->active.next,
struct tw5864_buf, list);
struct tw5864_buf *vb;