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Commit 31ed29f9 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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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: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 433f75ab

drivers/media/video/aptina-pll.c

+2 −3
Original line number Diff line number Diff line
@@ -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));