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Commit 94c6e235 authored by Ram Chandrasekar's avatar Ram Chandrasekar Committed by Gerrit - the friendly Code Review server
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thermal_core: Add sysfs notification support for userspace 



Add support to notify the userspace through sysfs
notification when a userspace threshold is crossed.

Change-Id: Ifdea7f15f288d1dca5365aedad16d1bdbc80be6c
Signed-off-by: default avatarRam Chandrasekar <rkumbako@codeaurora.org>
parent 27bcfc79

drivers/thermal/thermal_core.c

+6 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ 


#include "thermal_core.h"



#define THERMAL_UEVENT_DATA "type"



MODULE_AUTHOR("Zhang Rui");

MODULE_DESCRIPTION("Generic thermal management sysfs support");

MODULE_LICENSE("GPL v2");
@@ -315,6 +317,10 @@ int thermal_sensor_trip(struct thermal_zone_device *tz, 
			((trip == THERMAL_TRIP_CONFIGURABLE_HI) &&

				(pos->temp >= tz->sensor.threshold_max) &&

				(pos->temp <= temp))) {

			if ((pos == &tz->tz_threshold[0])

				|| (pos == &tz->tz_threshold[1]))

				sysfs_notify(&tz->device.kobj, NULL,

					THERMAL_UEVENT_DATA);

			pos->active = 0;

			pos->notify(trip, temp, pos->data);

		}