mdp_to_fixed
+ mdp_to_fixed(&c->left_subpix, &crop->left_subpix);
+ mdp_to_fixed(&c->top_subpix, &crop->top_subpix);
+ mdp_to_fixed(&c->width_subpix, &crop->width_subpix);
+ mdp_to_fixed(&c->height_subpix, &crop->height_subpix);