V4L2_DV_FL_REDUCED_FPS
timings->bt.flags |= V4L2_DV_FL_REDUCED_FPS;
timings->bt.flags &= ~V4L2_DV_FL_REDUCED_FPS;
if (bt->flags & V4L2_DV_FL_REDUCED_FPS)
bt->flags |= V4L2_DV_FL_REDUCED_FPS;
bt->flags &= ~V4L2_DV_FL_REDUCED_FPS;
if (can_reduce_fps(bt) && (bt->flags & V4L2_DV_FL_REDUCED_FPS))
u32 flags = t->bt.flags & V4L2_DV_FL_REDUCED_FPS;
(t1->bt.flags & V4L2_DV_FL_REDUCED_FPS) ==
(t2->bt.flags & V4L2_DV_FL_REDUCED_FPS)) &&
(bt->flags & V4L2_DV_FL_REDUCED_FPS) ?
(bt->flags & V4L2_DV_FL_REDUCED_FPS))