Commit 29226ed3 authored by Frans Pop's avatar Frans Pop Committed by Len Brown

thermal: sysfs-api.txt - document passive attribute for thermal zones

Signed-off-by: default avatarFrans Pop <elendil@planet.nl>
Acked-by: default avatarZhang Rui <rui.zhang@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 38bb0849
...@@ -199,6 +199,15 @@ cdev[0-*]_trip_point ...@@ -199,6 +199,15 @@ cdev[0-*]_trip_point
point. point.
RO, Optional RO, Optional
passive
Attribute is only present for zones in which the passive cooling
policy is not supported by native thermal driver. Default is zero
and can be set to a temperature (in millidegrees) to enable a
passive trip point for the zone. Activation is done by polling with
an interval of 1 second.
Unit: millidegrees Celsius
RW, Optional
***************************** *****************************
* Cooling device attributes * * Cooling device attributes *
***************************** *****************************
......
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