Changeset 5686

Timestamp:

03/13/09 13:45:34 (4 years ago)

Author:

khali

Message:

Properly encode and decode -128 degrees C. Fix ported from Linux 2.6.

Location:

lm-sensors/branches/lm-sensors-2.10

Files:

• CHANGES (modified) (1 diff)
• kernel/chips/it87.c (modified) (3 diffs)

lm-sensors/branches/lm-sensors-2.10/CHANGES

@@ -5 +5 @@
   File lm_sensors.lsm: Delete, don't advertise a legacy branch
   File doc/developers/release_checklist: Skip mail to lsm
+  Module it87: Properly decode -128 degrees C (2.6 backport)
   Program sensors-detect: Fix detection of older DS1621
 

lm-sensors/branches/lm-sensors-2.10/kernel/chips/it87.c

@@ -197 +197 @@
 
 #define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-5)/10):\
-                                                 ((val)+5)/10),-127,127))
-#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:\
@@ -234 +234 @@
         u8 fan[3];              /* Register value */
         u8 fan_min[3];          /* Register value */
-        u8 temp[3];             /* Register value */
-        u8 temp_high[3];        /* Register value */
-        u8 temp_low[3];         /* Register value */
+        s8 temp[3];             /* Register value */
+        s8 temp_high[3];        /* Register value */
+        s8 temp_low[3];         /* Register value */
         u8 fan_div[3];          /* Register encoding, shifted right */
         u8 vid;                 /* Register encoding, combined */
@@ -242 +242 @@
         u8 pwm[3];              /* Register value */
         u8 fan_ctl[2];          /* Register encoding */
-        u8 sg_tl[3][5];         /* Register value */
+        s8 sg_tl[3][5];         /* Register value */
         u8 sg_pwm[3][3];        /* Register value */
         u8 sens[3];             /* 2 = Thermistor,