[media] v4l: aptina-pll: Round up minimum multiplier factor value properly

The mf_low value must be a multiple of mf_inc. Round it up to the
nearest mf_inc multiple after computing it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/media/video/aptina-pll.c b/drivers/media/video/aptina-pll.c
index 0bd3813bb59d..8153a449846b 100644
--- a/drivers/media/video/aptina-pll.c
+++ b/drivers/media/video/aptina-pll.c
@@ -148,9 +148,8 @@ int aptina_pll_calculate(struct device *dev,
                 unsigned int mf_high;
                 unsigned int mf_low;
 
-                mf_low = max(roundup(mf_min, mf_inc),
-                             DIV_ROUND_UP(pll->ext_clock * p1,
-                               limits->int_clock_max * div));
+                mf_low = roundup(max(mf_min, DIV_ROUND_UP(pll->ext_clock * p1,
+                                        limits->int_clock_max * div)), mf_inc);
                 mf_high = min(mf_max, pll->ext_clock * p1 /
                               (limits->int_clock_min * div));