From khali@linux-fr.org Mon Jan 9 13:44:45 2006 Date: Mon, 9 Jan 2006 22:43:08 +0100 From: Jean Delvare To: Greg KH Cc: Michael Renzmann Subject: hwmon: Fix negative temperature readings in lm77 driver Message-Id: <20060109224308.5b1637ba.khali@linux-fr.org> Content-Disposition: inline; filename=hwmon-lm77-negative-temp-fix.patch Fix negative temperature readings in lm77 driver. Signed-off-by: Jean Delvare Acked-by: Michael Renzmann Signed-off-by: Greg Kroah-Hartman --- drivers/hwmon/lm77.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- gregkh-2.6.orig/drivers/hwmon/lm77.c +++ gregkh-2.6/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 */