thermal: re-document thermal units
From: Zhang Rui <rui.zhang@intel.com> (reverting the previous sysfs patch also reverted a fix to the thermal units documentation, which is restored by this commit) The generic thermal driver shows temperature in millidegree Celsius. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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@ -143,10 +143,10 @@ type Strings which represent the thermal zone type.
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This is given by thermal zone driver as part of registration.
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This is given by thermal zone driver as part of registration.
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Eg: "ACPI thermal zone" indicates it's a ACPI thermal device
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Eg: "ACPI thermal zone" indicates it's a ACPI thermal device
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RO
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RO
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Optional
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Required
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temp Current temperature as reported by thermal zone (sensor)
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temp Current temperature as reported by thermal zone (sensor)
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Unit: degree Celsius
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Unit: millidegree Celsius
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RO
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RO
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Required
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Required
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@ -163,7 +163,7 @@ mode One of the predefined values in [kernel, user]
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charge of the thermal management.
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charge of the thermal management.
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trip_point_[0-*]_temp The temperature above which trip point will be fired
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trip_point_[0-*]_temp The temperature above which trip point will be fired
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Unit: degree Celsius
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Unit: millidegree Celsius
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RO
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RO
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Optional
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Optional
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@ -193,7 +193,7 @@ type String which represents the type of device
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eg. For memory controller device on intel_menlow platform:
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eg. For memory controller device on intel_menlow platform:
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this should be "Memory controller"
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this should be "Memory controller"
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RO
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RO
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Optional
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Required
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max_state The maximum permissible cooling state of this cooling device.
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max_state The maximum permissible cooling state of this cooling device.
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RO
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RO
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@ -219,16 +219,16 @@ the sys I/F structure will be built like this:
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|thermal_zone1:
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|thermal_zone1:
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|-----type: ACPI thermal zone
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|-----type: ACPI thermal zone
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|-----temp: 37
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|-----temp: 37000
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|-----mode: kernel
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|-----mode: kernel
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|-----trip_point_0_temp: 100
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|-----trip_point_0_temp: 100000
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|-----trip_point_0_type: critical
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|-----trip_point_0_type: critical
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|-----trip_point_1_temp: 80
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|-----trip_point_1_temp: 80000
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|-----trip_point_1_type: passive
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|-----trip_point_1_type: passive
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|-----trip_point_2_temp: 70
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|-----trip_point_2_temp: 70000
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|-----trip_point_2_type: active[0]
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|-----trip_point_2_type: active0
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|-----trip_point_3_temp: 60
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|-----trip_point_3_temp: 60000
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|-----trip_point_3_type: active[1]
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|-----trip_point_3_type: active1
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|-----cdev0: --->/sys/class/thermal/cooling_device0
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|-----cdev0: --->/sys/class/thermal/cooling_device0
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|-----cdev0_trip_point: 1 /* cdev0 can be used for passive */
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|-----cdev0_trip_point: 1 /* cdev0 can be used for passive */
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|-----cdev1: --->/sys/class/thermal/cooling_device3
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|-----cdev1: --->/sys/class/thermal/cooling_device3
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