In 'include/linux/kernel.h', there's a helper macro to round numerical
value. Let's use it.
Signed-off-by: NTakashi Sakamoto <takashi.sakamoto@miraclelinux.com>
Acked-by: NVinod Koul <vinod.koul@intel.com>
Tested-by: NSubhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>