C++ (Cpp) KELVIN_TO_MILLICELSIUS Examples

Example #1

File: thermal.c Project: 119-org/lamobo-d1

static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
				 int trip, unsigned long *temp)
{
	struct acpi_thermal *tz = thermal->devdata;
	int i;

	if (!tz || trip < 0)
		return -EINVAL;

	if (tz->trips.critical.flags.valid) {
		if (!trip) {
			*temp = KELVIN_TO_MILLICELSIUS(
				tz->trips.critical.temperature,
				tz->kelvin_offset);
			return 0;
		}
		trip--;
	}

	if (tz->trips.hot.flags.valid) {
		if (!trip) {
			*temp = KELVIN_TO_MILLICELSIUS(
				tz->trips.hot.temperature,
				tz->kelvin_offset);
			return 0;
		}
		trip--;
	}

	if (tz->trips.passive.flags.valid) {
		if (!trip) {
			*temp = KELVIN_TO_MILLICELSIUS(
				tz->trips.passive.temperature,
				tz->kelvin_offset);
			return 0;
		}
		trip--;
	}

	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
		tz->trips.active[i].flags.valid; i++) {
		if (!trip) {
			*temp = KELVIN_TO_MILLICELSIUS(
				tz->trips.active[i].temperature,
				tz->kelvin_offset);
			return 0;
		}
		trip--;
	}

	return -EINVAL;
}

Example #2

File: thermal.c Project: 119-org/lamobo-d1

static int thermal_get_crit_temp(struct thermal_zone_device *thermal,
				unsigned long *temperature) {
	struct acpi_thermal *tz = thermal->devdata;

	if (tz->trips.critical.flags.valid) {
		*temperature = KELVIN_TO_MILLICELSIUS(
				tz->trips.critical.temperature,
				tz->kelvin_offset);
		return 0;
	} else
		return -EINVAL;
}

Example #3

File: thermal.c Project: 119-org/lamobo-d1

static int thermal_get_temp(struct thermal_zone_device *thermal,
			    unsigned long *temp)
{
	struct acpi_thermal *tz = thermal->devdata;
	int result;

	if (!tz)
		return -EINVAL;

	result = acpi_thermal_get_temperature(tz);
	if (result)
		return result;

	*temp = KELVIN_TO_MILLICELSIUS(tz->temperature, tz->kelvin_offset);
	return 0;
}

Example #4

File: thermal.c Project: Astralix/mainline-dss11

static int thermal_get_trend(struct thermal_zone_device *thermal,
				int trip, enum thermal_trend *trend)
{
	struct acpi_thermal *tz = thermal->devdata;
	enum thermal_trip_type type;
	int i;

	if (thermal_get_trip_type(thermal, trip, &type))
		return -EINVAL;

	if (type == THERMAL_TRIP_ACTIVE) {
		unsigned long trip_temp;
		unsigned long temp = KELVIN_TO_MILLICELSIUS(tz->temperature,
							tz->kelvin_offset);
		if (thermal_get_trip_temp(thermal, trip, &trip_temp))
			return -EINVAL;

		if (temp > trip_temp) {
			*trend = THERMAL_TREND_RAISING;
			return 0;
		} else {
			/* Fall back on default trend */
			return -EINVAL;
		}
	}

	/*
	 * tz->temperature has already been updated by generic thermal layer,
	 * before this callback being invoked
	 */
	i = (tz->trips.passive.tc1 * (tz->temperature - tz->last_temperature))
		+ (tz->trips.passive.tc2
		* (tz->temperature - tz->trips.passive.temperature));

	if (i > 0)
		*trend = THERMAL_TREND_RAISING;
	else if (i < 0)
		*trend = THERMAL_TREND_DROPPING;
	else
		*trend = THERMAL_TREND_STABLE;
	return 0;
}