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

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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>
This commit is contained in:
Laurent Pinchart 2012-04-23 09:59:25 -03:00 committed by Mauro Carvalho Chehab
parent 433f75ab3d
commit 31ed29f981
1 changed files with 2 additions and 3 deletions
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5
drivers/media/video/aptina-pll.c
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@ -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));