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Commit 7faec294 authored by Archana Sathyakumar's avatar Archana Sathyakumar
Browse files

thermal-core: Add API to get temperature 



Currently, there is no API to query the current temperature
in sensor framework. Add a generic API to get it.

Change-Id: I038e9a118e77eb6a3599b7d45a0cc8757990d2ef
Signed-off-by: default avatarArchana Sathyakumar <asathyak@codeaurora.org>
parent 563010bc

drivers/thermal/thermal_core.c

+14 −0
Original line number Diff line number Diff line
@@ -326,6 +326,20 @@ int thermal_sensor_trip(struct thermal_zone_device *tz, 
}

EXPORT_SYMBOL(thermal_sensor_trip);



int sensor_get_temp(uint32_t sensor_id, long *temp)

{

	struct sensor_info *sensor = get_sensor(sensor_id);

	int ret = 0;



	if (!sensor)

		return -ENODEV;



	ret = sensor->tz->ops->get_temp(sensor->tz, temp);



	return ret;

}

EXPORT_SYMBOL(sensor_get_temp);



int sensor_activate_trip(uint32_t sensor_id,

	struct sensor_threshold *threshold, bool enable)

{

include/linux/thermal.h

+1 −0
Original line number Diff line number Diff line
@@ -282,6 +282,7 @@ struct thermal_instance *get_thermal_instance(struct thermal_zone_device *, 
void thermal_cdev_update(struct thermal_cooling_device *);

void thermal_notify_framework(struct thermal_zone_device *, int);



int sensor_get_temp(uint32_t sensor_id, long *temp);

int sensor_get_id(char *name);

int sensor_set_trip(uint32_t sensor_id, struct sensor_threshold *threshold);

int sensor_cancel_trip(uint32_t sensor_id, struct sensor_threshold *threshold);