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hwmon: (adm9240) Use DIV_ROUND_CLOSEST to simplify implementation for SCALE

PATCH In review Axel Lin 1 participant 1 message Jul 19, 2014 Hardware monitoring

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PATCH 2/4 hwmon: (adm9240) Use DIV_ROUND_CLOSEST to simplify implementation for SCALE

Signed-off-by Axel Lin <[email protected]>
---
 drivers/hwmon/adm9240.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
drivers/hwmon/adm9240.c +1 -4
index 98114ce..6e75ff1 100644
@@ -82,10 +82,7 @@ enum chips { adm9240, ds1780, lm81 };
 /* generalised scaling with integer rounding */
 static inline int SCALE(long val, int mul, int div)
 {
-	if (val < 0)
-		return (val * mul - div / 2) / div;
-	else
-		return (val * mul + div / 2) / div;
+	return DIV_ROUND_CLOSEST(val * mul, div);
 }
 
 /* adm9240 internally scales voltage measurements */
Signature · 9 lines
1.9.1




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