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Thermal: introduce INT3402 thermal driver

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ACPI INT3402 device object could report temperature for the memory module.
To expose such information to user space, a thermal zone device is registered
for it so that the thermal sysfs interface can expose such information for
userspace to use.

Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This commit is contained in:
Aaron Lu
2014-09-03 15:13:02 +08:00
committed by Zhang Rui
parent 7b83fd9d91
commit 77e337c6e2
3 changed files with 245 additions and 0 deletions
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2
include/linux/thermal.h
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@@ -46,6 +46,8 @@
#define CELSIUS_TO_KELVIN(t) ((t)*10+2732)
#define DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, off) (((t) - (off)) * 100)
#define DECI_KELVIN_TO_MILLICELSIUS(t) DECI_KELVIN_TO_MILLICELSIUS_WITH_OFFSET(t, 2732)
#define MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, off) (((t) / 100) + (off))
#define MILLICELSIUS_TO_DECI_KELVIN(t) MILLICELSIUS_TO_DECI_KELVIN_WITH_OFFSET(t, 2732)
/* Adding event notification support elements */
#define THERMAL_GENL_FAMILY_NAME "thermal_event"