diff --git a/kernel/chips/it87.c b/kernel/chips/it87.c
index e62f6508..007dae69 100644
--- a/kernel/chips/it87.c
+++ b/kernel/chips/it87.c
@@ -137,12 +137,12 @@ static int init = 1;
 #define THERMISTOR	2
 #define PIIDIODE	3
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG 
+/* Conversions. Limit checking is only done on the TO_REG 
    variants. Note that you should be a bit careful with which arguments
    these macros are called: arguments may be evaluated more than once.
    Fixing this is just not worth it. */
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
-#define IN_FROM_REG(val) (((val) *  16) / 10)
+#define IN_FROM_REG(val) (((val) *  16 + 5) / 10)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
diff --git a/kernel/chips/lm78.c b/kernel/chips/lm78.c
index 1dc69bbd..ce146885 100644
--- a/kernel/chips/lm78.c
+++ b/kernel/chips/lm78.c
@@ -73,12 +73,12 @@ SENSORS_INSMOD_3(lm78, lm78j, lm79);
 #define LM78_REG_I2C_ADDR 0x48
 
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG 
+/* Conversions. Limit checking is only done on the TO_REG 
    variants. Note that you should be a bit careful with which arguments
    these macros are called: arguments may be evaluated more than once.
    Fixing this is just not worth it. */
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
-#define IN_FROM_REG(val) (((val) *  16) / 10)
+#define IN_FROM_REG(val) (((val) *  16 + 5) / 10)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
diff --git a/kernel/chips/mtp008.c b/kernel/chips/mtp008.c
index ae5b0513..c8c5d224 100644
--- a/kernel/chips/mtp008.c
+++ b/kernel/chips/mtp008.c
@@ -102,7 +102,7 @@ SENSORS_INSMOD_1(mtp008);
 #define PIIDIODE	3
 
 /*
- * Conversion routines and macros.  Rounding and limit checking is only done on
+ * Conversion routines and macros.  Limit checking is only done on
  * the TO_REG variants.
  *
  * Note that IN values are expressed as 100 times the actual voltage to avoid
@@ -110,7 +110,7 @@ SENSORS_INSMOD_1(mtp008);
  * 409 (0V to 4.096V).
  */
 #define IN_TO_REG(val)		(SENSORS_LIMIT((((val) * 10 + 8) / 16), 0, 255))
-#define IN_FROM_REG(val)	(((val) * 16) / 10)
+#define IN_FROM_REG(val)	(((val) * 16 + 5) / 10)
 
 /*
  * The fan cotation count (as stored in the register) is calculated using the
diff --git a/kernel/chips/sis5595.c b/kernel/chips/sis5595.c
index b0dc2ebc..d4350fba 100644
--- a/kernel/chips/sis5595.c
+++ b/kernel/chips/sis5595.c
@@ -138,13 +138,13 @@ static int blacklist[] = {
 #define SIS5595_REG_ALARM2 0x42
 #define SIS5595_REG_FANDIV 0x47
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG
+/* Conversions. Limit checking is only done on the TO_REG
    variants. Note that you should be a bit careful with which arguments
    these macros are called: arguments may be evaluated more than once.
    Fixing this is just not worth it. */
 
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
-#define IN_FROM_REG(val) (((val) *  16) / 10)
+#define IN_FROM_REG(val) (((val) *  16 + 5) / 10)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
 {
diff --git a/kernel/chips/w83627hf.c b/kernel/chips/w83627hf.c
index b2a11312..83ff5a92 100644
--- a/kernel/chips/w83627hf.c
+++ b/kernel/chips/w83627hf.c
@@ -199,12 +199,12 @@ static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
 static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
 #define W83781D_DEFAULT_BETA 3435
 
-/* Conversions. Rounding and limit checking is only done on the TO_REG
+/* Conversions. Limit checking is only done on the TO_REG
    variants. Note that you should be a bit careful with which arguments
    these macros are called: arguments may be evaluated more than once.
    Fixing this is just not worth it. */
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
-#define IN_FROM_REG(val) (((val) * 16) / 10)
+#define IN_FROM_REG(val) (((val) * 16 + 5) / 10)
 
 static inline u8 FAN_TO_REG(long rpm, int div)
 {