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[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>
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1 changed files with 2 additions and 3 deletions
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@ -148,9 +148,8 @@ int aptina_pll_calculate(struct device *dev,
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unsigned int mf_high;
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unsigned int mf_low;
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mf_low = max(roundup(mf_min, mf_inc),
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DIV_ROUND_UP(pll->ext_clock * p1,
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limits->int_clock_max * div));
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mf_low = roundup(max(mf_min, DIV_ROUND_UP(pll->ext_clock * p1,
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limits->int_clock_max * div)), mf_inc);
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mf_high = min(mf_max, pll->ext_clock * p1 /
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(limits->int_clock_min * div));
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