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authorZhang Rui <rui.zhang@intel.com>2008-01-17 02:51:19 -0500
committerLen Brown <len.brown@intel.com>2008-02-01 23:20:26 -0500
commit041d4bbf128f645fe53bb22309efb9db14dbf5b5 (patch)
tree2599aff53ec6e492c202f6db88deee7ea988575c /include
parent207339398ecb0835331c748612898dad2a09fdec (diff)
ACPI: CELSIUS_TO_KELVIN fixup
Fix an imprecision in CELSIUS_TO_KELVIN and move these two macroes to a proper place. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Thomas Sujith <sujith.thomas@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include')
-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 e4b76c7afb51..bba7712cadc7 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -61,6 +61,10 @@ struct thermal_cooling_device {
61 struct list_head node; 61 struct list_head node;
62}; 62};
63 63
64#define KELVIN_TO_CELSIUS(t) (long)(((long)t-2732 >= 0) ? \
65 ((long)t-2732+5)/10 : ((long)t-2732-5)/10)
66#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
67
64struct thermal_zone_device { 68struct thermal_zone_device {
65 int id; 69 int id;
66 char type[THERMAL_NAME_LENGTH]; 70 char type[THERMAL_NAME_LENGTH];