v4l2_subdev_state_get_interval
interval = v4l2_subdev_state_get_interval(sd_state, 0);
interval = v4l2_subdev_state_get_interval(state, 0);
interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD);
interval->interval = *v4l2_subdev_state_get_interval(sd_state,
*v4l2_subdev_state_get_interval(sd_state,
interval = v4l2_subdev_state_get_interval(state, MAX9286_SRC_PAD);
interval = v4l2_subdev_state_get_interval(sd_state, 0);
interval = v4l2_subdev_state_get_interval(sd_state, 0);
interval = v4l2_subdev_state_get_interval(sd_state, 0);
interval = v4l2_subdev_state_get_interval(sd_state, 0);
interval = v4l2_subdev_state_get_interval(state, fi->pad, fi->stream);