Thermal: Add get trend, get instance API's to thermal_sys (9b4298a0) · Commits · 戴 / test

drivers/thermal/thermal_sys.c

+40 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,46 @@ static void release_idr(struct idr idr, struct mutex lock, int id)
		mutex_unlock(lock);
		}

		int get_tz_trend(struct thermal_zone_device *tz, int trip)
		{
		enum thermal_trend trend;

		if (!tz->ops->get_trend \|\| tz->ops->get_trend(tz, trip, &trend)) {
		if (tz->temperature > tz->last_temperature)
		trend = THERMAL_TREND_RAISING;
		else if (tz->temperature < tz->last_temperature)
		trend = THERMAL_TREND_DROPPING;
		else
		trend = THERMAL_TREND_STABLE;
		}

		return trend;
		}
		EXPORT_SYMBOL(get_tz_trend);

		struct thermal_instance get_thermal_instance(struct thermal_zone_device tz,
		struct thermal_cooling_device *cdev, int trip)
		{
		struct thermal_instance *pos = NULL;
		struct thermal_instance *target_instance = NULL;

		mutex_lock(&tz->lock);
		mutex_lock(&cdev->lock);

		list_for_each_entry(pos, &tz->thermal_instances, tz_node) {
		if (pos->tz == tz && pos->trip == trip && pos->cdev == cdev) {
		target_instance = pos;
		break;
		}
		}

		mutex_unlock(&cdev->lock);
		mutex_unlock(&tz->lock);

		return target_instance;
		}
		EXPORT_SYMBOL(get_thermal_instance);

		/* sys I/F for thermal zone */

		#define to_thermal_zone(_dev) \

+4 −0

Original line number	Diff line number	Diff line
		@@ -185,6 +185,10 @@ struct thermal_cooling_device thermal_cooling_device_register(char , void *,
		const struct thermal_cooling_device_ops *);
		void thermal_cooling_device_unregister(struct thermal_cooling_device *);

		int get_tz_trend(struct thermal_zone_device *, int);
		struct thermal_instance get_thermal_instance(struct thermal_zone_device ,
		struct thermal_cooling_device *, int);

		#ifdef CONFIG_NET
		extern int thermal_generate_netlink_event(u32 orig, enum events event);
		#else