What: /sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/fan_sensor_information Date: September 2022 KernelVersion: 6.1 Contact: Armin Wolf <W_Armin@gmx.de> Description: This file contains the contents of the fan sensor information buffer, which contains fan sensor entries and a terminating character (0xFF). Each fan sensor entry contains: - fan type (single byte) - fan speed in RPM (two bytes, little endian) See Documentation/wmi/devices/dell-wmi-ddv.rst for details. What: /sys/kernel/debug/dell-wmi-ddv-<wmi_device_name>/thermal_sensor_information Date: September 2022 KernelVersion: 6.1 Contact: Armin Wolf <W_Armin@gmx.de> Description: This file contains the contents of the thermal sensor information buffer, which contains thermal sensor entries and a terminating character (0xFF). Each thermal sensor entry contains: - thermal type (single byte) - current temperature (single byte) - min. temperature (single byte) - max. temperature (single byte) - unknown field (single byte) See Documentation/wmi/devices/dell-wmi-ddv.rst for details.