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authorZhang Rui <rui.zhang@intel.com>2012-06-26 16:35:57 +0800
committerZhang Rui <rui.zhang@intel.com>2012-09-24 14:44:36 +0800
commit9d99842f99d847191ebd0c28469d2c70fcc5bf9e (patch)
tree211624d5fbc557c1226b6270a96807acc3b383df /include
parent74051ba50583a5880d4536c1d9333e2493ddfd76 (diff)
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Thermal: set upper and lower limits
set upper and lower limits when binding a thermal cooling device to a thermal zone device. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Reviewed-by: Rafael J. Wysocki <rjw@sisk.pl> Reviewed-by: Eduardo Valentin <eduardo.valentin@ti.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/thermal.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 4b94a61955df..5946a3b90bb2 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -75,6 +75,8 @@ struct thermal_cooling_device_ops {
int (*set_cur_state) (struct thermal_cooling_device *, unsigned long);
};
+#define THERMAL_NO_LIMIT -1UL /* no upper/lower limit requirement */
+
#define THERMAL_TRIPS_NONE -1
#define THERMAL_MAX_TRIPS 12
#define THERMAL_NAME_LENGTH 20
@@ -157,7 +159,8 @@ struct thermal_zone_device *thermal_zone_device_register(const char *, int, int,
void thermal_zone_device_unregister(struct thermal_zone_device *);
int thermal_zone_bind_cooling_device(struct thermal_zone_device *, int,
- struct thermal_cooling_device *);
+ struct thermal_cooling_device *,
+ unsigned long, unsigned long);
int thermal_zone_unbind_cooling_device(struct thermal_zone_device *, int,
struct thermal_cooling_device *);
void thermal_zone_device_update(struct thermal_zone_device *);