From: Frank Mori Hess <fmhess@speakeasy.net>
Date: Tue, 24 Oct 2006 15:21:46 +0000 (+0000)
Subject: Fixed search for best pll multiplier/divisor
X-Git-Tag: r0_7_74~179
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=d94a1f5720295fefe162075fea85088cab4b0909;p=comedi.git

Fixed search for best pll multiplier/divisor
---

diff --git a/comedi/drivers/ni_mio_common.c b/comedi/drivers/ni_mio_common.c
index 9231c628..df330ac5 100644
--- a/comedi/drivers/ni_mio_common.c
+++ b/comedi/drivers/ni_mio_common.c
@@ -4362,8 +4362,7 @@ static int ni_mseries_get_pll_parameters(unsigned reference_period_ns,
 		for(mult = 1; mult <= max_mult; ++mult)
 		{
 			unsigned new_period_ps = (reference_picosec * div) / mult;
-			if((new_period_ps < best_period_picosec && new_period_ps >= target_picosec) ||
-				(new_period_ps > best_period_picosec && new_period_ps <= target_picosec))
+			if(abs(new_period_ps - target_picosec) < abs(best_period_picosec - target_picosec))
 			{
 				best_period_picosec = new_period_ps;
 				best_div = div;