thermal: tegra: add get_trend ops (76b1ae86) · Commits · 戴 / test

drivers/thermal/tegra/soctherm.c

+32 −0

Original line number	Diff line number	Diff line
		@@ -488,9 +488,41 @@ static int tegra_thermctl_set_trip_temp(void *data, int trip, int temp)
		return 0;
		}

		static int tegra_thermctl_get_trend(void *data, int trip,
		enum thermal_trend *trend)
		{
		struct tegra_thermctl_zone *zone = data;
		struct thermal_zone_device *tz = zone->tz;
		int trip_temp, temp, last_temp, ret;

		if (!tz)
		return -EINVAL;

		ret = tz->ops->get_trip_temp(zone->tz, trip, &trip_temp);
		if (ret)
		return ret;

		temp = READ_ONCE(tz->temperature);
		last_temp = READ_ONCE(tz->last_temperature);

		if (temp > trip_temp) {
		if (temp >= last_temp)
		*trend = THERMAL_TREND_RAISING;
		else
		*trend = THERMAL_TREND_STABLE;
		} else if (temp < trip_temp) {
		*trend = THERMAL_TREND_DROPPING;
		} else {
		*trend = THERMAL_TREND_STABLE;
		}

		return 0;
		}

		static const struct thermal_zone_of_device_ops tegra_of_thermal_ops = {
		.get_temp = tegra_thermctl_get_temp,
		.set_trip_temp = tegra_thermctl_set_trip_temp,
		.get_trend = tegra_thermctl_get_trend,
		};

		static int get_hot_temp(struct thermal_zone_device tz, int trip, int *temp)