drivers/acpi/thermal_lib.c

1 // SPDX-License-Identifier: GPL-2.0
11 #include <linux/thermal.h>
15  * Minimum temperature for full military grade is 218°K (-55°C) and
30 	status = acpi_evaluate_integer(adev->handle, obj_name, NULL, &temp);  in acpi_trip_temp()
32 		acpi_handle_debug(adev->handle, "%s evaluation failed\n", obj_name);  in acpi_trip_temp()
33 		return -ENODATA;  in acpi_trip_temp()
39 		acpi_handle_debug(adev->handle, "%s result %llu out of range\n",  in acpi_trip_temp()
52 		return -EINVAL;  in acpi_active_trip_temp()
90  * thermal_acpi_active_trip_temp - Retrieve active trip point temperature
91  * @adev: Target thermal zone ACPI device object.
92  * @id: Active cooling level (0 - 9).
95  * Evaluate the _ACx object for the thermal zone represented by @adev to obtain
111  * thermal_acpi_passive_trip_temp - Retrieve passive trip point temperature
112  * @adev: Target thermal zone ACPI device object.
115  * Evaluate the _PSV object for the thermal zone represented by @adev to obtain
118  * Return 0 on success or -ENODATA on failure.
130  * thermal_acpi_hot_trip_temp - Retrieve hot trip point temperature
131  * @adev: Target thermal zone ACPI device object.
134  * Evaluate the _HOT object for the thermal zone represented by @adev to obtain
138  * Return 0 on success or -ENODATA on failure.
150  * thermal_acpi_critical_trip_temp - Retrieve critical trip point temperature
151  * @adev: Target thermal zone ACPI device object.
154  * Evaluate the _CRT object for the thermal zone represented by @adev to obtain
157  * Return 0 on success or -ENODATA on failure.