[PATCH] hwmon: Fix negative temperature readings in lm77 driver
Fix negative temperature readings in lm77 driver.
Signed-off-by: Jean Delvare <khali at linux-fr.org>
Acked-by: Michael Renzmann <mrenzmann at otaku42.de>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
commit 413b64515079a4063776d81067f69cc41bdb34ad
tree 1353d1b285b84963ad48abac3327a397cbc818d2
parent 21bbd691827e3610ef975a88863859381ac8d8e0
author Jean Delvare <khali at linux-fr.org> Mon, 09 Jan 2006 22:43:08 +0100
committer Greg Kroah-Hartman <gregkh at suse.de> Mon, 06 Feb 2006 12:02:14 -0800
drivers/hwmon/lm77.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/hwmon/lm77.c b/drivers/hwmon/lm77.c
index a2f420d..df9e02a 100644
--- a/drivers/hwmon/lm77.c
+++ b/drivers/hwmon/lm77.c
@@ -87,15 +87,15 @@ static struct i2c_driver lm77_driver = {
/* In the temperature registers, the low 3 bits are not part of the
temperature values; they are the status bits. */
-static inline u16 LM77_TEMP_TO_REG(int temp)
+static inline s16 LM77_TEMP_TO_REG(int temp)
{
int ntemp = SENSORS_LIMIT(temp, LM77_TEMP_MIN, LM77_TEMP_MAX);
- return (u16)((ntemp / 500) * 8);
+ return (ntemp / 500) * 8;
}
-static inline int LM77_TEMP_FROM_REG(u16 reg)
+static inline int LM77_TEMP_FROM_REG(s16 reg)
{
- return ((int)reg / 8) * 500;
+ return (reg / 8) * 500;
}
/* sysfs stuff */
