thermal: of: Extend current of-thermal.c code to allow setting emulated temp (184a4bf6) · Commits · 戴 / test

drivers/thermal/of-thermal.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -161,6 +161,28 @@ of_thermal_get_trip_points(struct thermal_zone_device *tz)
		}
		EXPORT_SYMBOL_GPL(of_thermal_get_trip_points);

		/**
		* of_thermal_set_emul_temp - function to set emulated temperature
		*
		* @tz: pointer to a thermal zone
		* @temp: temperature to set
		*
		* This function gives the ability to set emulated value of temperature,
		* which is handy for debugging
		*
		* Return: zero on success, error code otherwise
		*/
		static int of_thermal_set_emul_temp(struct thermal_zone_device *tz,
		unsigned long temp)
		{
		struct __thermal_zone *data = tz->devdata;

		if (!data->ops \|\| !data->ops->set_emul_temp)
		return -EINVAL;

		return data->ops->set_emul_temp(data->sensor_data, temp);
		}

		static int of_thermal_get_trend(struct thermal_zone_device *tz, int trip,
		enum thermal_trend *trend)
		{
		@@ -392,6 +414,7 @@ thermal_zone_of_add_sensor(struct device_node *zone,

		tzd->ops->get_temp = of_thermal_get_temp;
		tzd->ops->get_trend = of_thermal_get_trend;
		tzd->ops->set_emul_temp = of_thermal_set_emul_temp;
		mutex_unlock(&tzd->lock);

		return tzd;
		@@ -520,6 +543,7 @@ void thermal_zone_of_sensor_unregister(struct device *dev,
		mutex_lock(&tzd->lock);
		tzd->ops->get_temp = NULL;
		tzd->ops->get_trend = NULL;
		tzd->ops->set_emul_temp = NULL;

		tz->ops = NULL;
		tz->sensor_data = NULL;

+3 −0

Original line number	Diff line number	Diff line
		@@ -297,10 +297,13 @@ struct thermal_genl_event {
		*
		* Optional:
		* @get_trend: a pointer to a function that reads the sensor temperature trend.
		* @set_emul_temp: a pointer to a function that sets sensor emulated
		* temperature.
		*/
		struct thermal_zone_of_device_ops {
		int (get_temp)(void , long *);
		int (get_trend)(void , long *);
		int (set_emul_temp)(void , unsigned long);
		};

		/**