[PATCH] hwmon: Minor w83l785ts optimization

Using s8 instead of u8 to store temperature register values saves a
few instructions on sysfs file read. The very same was done for
several other drivers a while ago (lm63, lm83, lm90...)
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

 drivers/hwmon/w83l785ts.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

drivers/hwmon/w83l785ts.c

@@ -74,7 +74,7 @@ I2C_CLIENT_INSMOD_1(w83l785ts);
  * The W83L785TS-S uses signed 8-bit values.
  */
 
-#define TEMP_FROM_REG(val)	((val & 0x80 ? val-0x100 : val) * 1000)
+#define TEMP_FROM_REG(val)	((val) * 1000)
 
 /*
  * Functions declaration
@@ -112,7 +112,7 @@ struct w83l785ts_data {
 	unsigned long last_updated; /* in jiffies */
 
 	/* registers values */
-	u8 temp[2]; /* 0: input
+	s8 temp[2]; /* 0: input
 		       1: critical limit */
 };