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Commit c3509521 authored by Wei Ni's avatar Wei Ni Committed by Eduardo Valentin
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thermal: of-thermal: allow setting trip_temp on hardware 



In current of-thermal, the .set_trip_temp only support to
set trip_temp for SW. But some sensors support to set
trip_temp on hardware, so that can trigger interrupt,
shutdown or any other events.
This patch adds .set_trip_temp() callback in
thermal_zone_of_device_ops{}, so that the sensor device can
use it to set trip_temp on hardware.

Signed-off-by: default avatarWei Ni <wni@nvidia.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent d753b22d

drivers/thermal/of-thermal.c

+8 −0
Original line number Diff line number Diff line
@@ -331,6 +331,14 @@ static int of_thermal_set_trip_temp(struct thermal_zone_device *tz, int trip, 
	if (trip >= data->ntrips || trip < 0)

		return -EDOM;



	if (data->ops->set_trip_temp) {

		int ret;



		ret = data->ops->set_trip_temp(data->sensor_data, trip, temp);

		if (ret)

			return ret;

	}



	/* thermal framework should take care of data->mask & (1 << trip) */

	data->trips[trip].temperature = temp;

include/linux/thermal.h

+1 −0
Original line number Diff line number Diff line
@@ -340,6 +340,7 @@ struct thermal_zone_of_device_ops { 
	int (*get_temp)(void *, int *);

	int (*get_trend)(void *, long *);

	int (*set_emul_temp)(void *, int);

	int (*set_trip_temp)(void *, int, int);

};



/**