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-rw-r--r--include/linux/thermal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index e4b76c7afb5..bba7712cadc 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -61,6 +61,10 @@ struct thermal_cooling_device {
struct list_head node;
};
+#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \
+ ((long)t-2732+5)/10 : ((long)t-2732-5)/10)
+#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
+
struct thermal_zone_device {
int id;
char type[THERMAL_NAME_LENGTH];