1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/hwmon/smsc47m192.c b/drivers/hwmon/smsc47m192.c
index 6ac7cda72d4c..15650f247679 100644
--- a/drivers/hwmon/smsc47m192.c
+++ b/drivers/hwmon/smsc47m192.c
@@ -77,14 +77,15 @@ static inline unsigned int IN_FROM_REG(u8 reg, int n)
 
 static inline u8 IN_TO_REG(unsigned long val, int n)
 {
-        return clamp_val(SCALE(val, 192, nom_mv[n]), 0, 255);
+        val = clamp_val(val, 0, nom_mv[n] * 255 / 192);
+        return SCALE(val, 192, nom_mv[n]);
 }
 
 /*
  * TEMP: 0.001 degC units (-128C to +127C)
  * REG: 1C/bit, two's complement
  */
-static inline s8 TEMP_TO_REG(int val)
+static inline s8 TEMP_TO_REG(long val)
 {
         return SCALE(clamp_val(val, -128000, 127000), 1, 1000);
 }