diff options
Diffstat (limited to 'Documentation/ABI/testing/debugfs-dell-wmi-ddv')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-dell-wmi-ddv | 29 |
1 files changed, 21 insertions, 8 deletions
diff --git a/Documentation/ABI/testing/debugfs-dell-wmi-ddv b/Documentation/ABI/testing/debugfs-dell-wmi-ddv index fbcc5d6f7388..81cfc788be15 100644 --- a/Documentation/ABI/testing/debugfs-dell-wmi-ddv +++ b/Documentation/ABI/testing/debugfs-dell-wmi-ddv @@ -3,19 +3,32 @@ 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). + 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 consists of three bytes with an unknown meaning, - interested people may use this file for reverse-engineering. + 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). + 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) - Each thermal sensor entry consists of five bytes with an unknown meaning, - interested people may use this file for reverse-engineering. + See Documentation/wmi/devices/dell-wmi-ddv.rst for details. |