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Use s8 instead of u8 for temperature. This simplifies the

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temperature conversion macros quite a bit, and fixes a bug with negative
temperatures as a side effect.
This is a backport from Linux 2.6.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@2947 7894878c-1315-0410-8ee3-d5d059ff63e0
This commit is contained in:
Jean Delvare committed 2005-03-27 10:48:27 +00:00
1 parent 5916574d33
commit 24c4f308b4
1 file changed
+5 -5
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kernel/chips/lm78.c
+5 -5
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@@ -87,8 +87,8 @@ static inline u8 FAN_TO_REG(long rpm, int div)
#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-5)/10):\
((val)+5)/10),0,255))
#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*10)
((val)+5)/10), -128, 127))
#define TEMP_FROM_REG(val) ((val)*10)
#define VID_FROM_REG(val) ((val)==0x1f?0:(val)>=0x10?510-(val)*10:\
205-(val)*5)
@@ -130,9 +130,9 @@ struct lm78_data {
u8 in_min[7]; /* Register value */
u8 fan[3]; /* Register value */
u8 fan_min[3]; /* Register value */
u8 temp; /* Register value */
u8 temp_over; /* Register value */
u8 temp_hyst; /* Register value */
s8 temp; /* Register value */
s8 temp_over; /* Register value */
s8 temp_hyst; /* Register value */
u8 fan_div[3]; /* Register encoding, shifted right */
u8 vid; /* Register encoding, combined */
u16 alarms; /* Register encoding, combined */