From: Axel Lin <axel.lin@ingics.com>
To: lm-sensors@vger.kernel.org
Subject: [lm-sensors] [PATCH 1/4] hwmon: (adm1026) Use DIV_ROUND_CLOSEST to simplify implementation for SCALE
Date: Sat, 19 Jul 2014 03:37:59 +0000 [thread overview]
Message-ID: <1405741079.13406.2.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/hwmon/adm1026.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hwmon/adm1026.c b/drivers/hwmon/adm1026.c
index ca8430f..c632e46 100644
--- a/drivers/hwmon/adm1026.c
+++ b/drivers/hwmon/adm1026.c
@@ -196,7 +196,7 @@ static int adm1026_scaling[] = { /* .001 Volts */
3330, 4995, 2250, 12000, 13875
};
#define NEG12_OFFSET 16000
-#define SCALE(val, from, to) (((val)*(to) + ((from)/2))/(from))
+#define SCALE(val, from, to) DIV_ROUND_CLOSEST((val) * (to), (from))
#define INS_TO_REG(n, val) (clamp_val(SCALE(val, adm1026_scaling[n], 192),\
0, 255))
#define INS_FROM_REG(n, val) (SCALE(val, 192, adm1026_scaling[n]))
--
1.9.1
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next reply other threads:[~2014-07-19 3:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-19 3:37 Axel Lin [this message]
2014-07-19 14:49 ` [lm-sensors] [PATCH 1/4] hwmon: (adm1026) Use DIV_ROUND_CLOSEST to simplify implementation for S Guenter Roeck
2014-07-19 14:57 ` Axel Lin
2014-07-19 15:27 ` Guenter Roeck
2014-07-19 17:12 ` Jean Delvare
2014-07-19 18:12 ` Guenter Roeck
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