From: Axel Lin <axel.lin@ingics.com>
To: lm-sensors@vger.kernel.org
Subject: [lm-sensors] [PATCH 2/4] hwmon: (adm9240) Use DIV_ROUND_CLOSEST to simplify implementation for SCALE
Date: Sat, 19 Jul 2014 03:40:04 +0000 [thread overview]
Message-ID: <1405741204.13406.4.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/hwmon/adm9240.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/hwmon/adm9240.c b/drivers/hwmon/adm9240.c
index 98114ce..6e75ff1 100644
--- a/drivers/hwmon/adm9240.c
+++ b/drivers/hwmon/adm9240.c
@@ -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 */
--
1.9.1
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