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ACPI: CELSIUS_TO_KELVIN fixup

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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>
This commit is contained in:
Zhang Rui 2008-01-17 15:51:19 +08:00 committed by Len Brown
parent 207339398e
commit 041d4bbf12
2 changed files with 4 additions and 3 deletions
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3
drivers/acpi/thermal.c
View file

@ -65,9 +65,6 @@
#define ACPI_THERMAL_MAX_ACTIVE 10 #define ACPI_THERMAL_MAX_ACTIVE 10
#define ACPI_THERMAL_MAX_LIMIT_STR_LEN 65 #define ACPI_THERMAL_MAX_LIMIT_STR_LEN 65
#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+273)*10)
#define _COMPONENT ACPI_THERMAL_COMPONENT #define _COMPONENT ACPI_THERMAL_COMPONENT
ACPI_MODULE_NAME("thermal"); ACPI_MODULE_NAME("thermal");

4
include/linux/thermal.h
View file

@ -61,6 +61,10 @@ struct thermal_cooling_device {
struct list_head node; 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 { struct thermal_zone_device {
int id; int id;
char type[THERMAL_NAME_LENGTH]; char type[THERMAL_NAME_LENGTH];