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| author | Zhang Rui <rui.zhang@intel.com> | 2008-01-17 15:51:19 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-02-01 23:20:26 -0500 |
| commit | 041d4bbf128f645fe53bb22309efb9db14dbf5b5 (patch) | |
| tree | 2599aff53ec6e492c202f6db88deee7ea988575c /include/linux/thermal.h | |
| parent | 207339398ecb0835331c748612898dad2a09fdec (diff) | |
| download | lwn-041d4bbf128f645fe53bb22309efb9db14dbf5b5.tar.gz lwn-041d4bbf128f645fe53bb22309efb9db14dbf5b5.zip | |
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/linux/thermal.h')
| -rw-r--r-- | include/linux/thermal.h | 4 |
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 { 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]; |