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Message-Id: <1256542744-26569-3-git-send-email-elendil@planet.nl>
Date: Mon, 26 Oct 2009 08:39:00 +0100
From: Frans Pop <elendil@...net.nl>
To: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: akpm@...ux-foundation.org, Frans Pop <elendil@...net.nl>,
Sujith Thomas <sujith.thomas@...el.com>,
Matthew Garrett <mjg59@...f.ucam.org>
Subject: [PATCH 2/6] thermal: sysfs-api.txt - document passive attribute for thermal zones
Signed-off-by: Frans Pop <elendil@...net.nl>
Acked-by: Zhang Rui <rui.zhang@...el.com>
Cc: Sujith Thomas <sujith.thomas@...el.com>
Cc: Matthew Garrett <mjg59@...f.ucam.org>
---
Documentation/thermal/sysfs-api.txt | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/Documentation/thermal/sysfs-api.txt b/Documentation/thermal/sysfs-api.txt
index 895337f..a87dc27 100644
--- a/Documentation/thermal/sysfs-api.txt
+++ b/Documentation/thermal/sysfs-api.txt
@@ -199,6 +199,15 @@ cdev[0-*]_trip_point
point.
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 *
*****************************
--
1.5.6.5
--
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