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2014-05-15Thermal/int3403: Fix thermal hysteresis unit conversionlan,Tianyu1-1/+7
Thermal hysteresis represents a temperature difference. But the original code treats it as a temperature value, Convert it from tenths of degree Kelvin to Milli-Celsius by deducing 273200. This is not right. Kelvin and Celsius have same degree size. From temperature difference view, the conversion between tenths of degree Kelvin unit and Milli-Celsius unit is just to multiply 100. Signed-off-by: Lan Tianyu <tianyu.lan@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
2014-01-02Thermal: ACPI INT3403 thermal driverSrinivas Pandruvada1-0/+237
The ACPI INT3403 device objects present on some systems can be used to retrieve temperature data from thermal sensors. Add a driver registering each INT3403 device object as a thermal zone device and exposing its _TMP, PATx and GTSH method via the standard thermal control interface under /sys/class/thermal/. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com>