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2024-02-27platform/x86: wmi: Update documentation regarding _WEDArmin Wolf1-1/+4
Update the WMI ACPI interface documentation to include the fact that _WED should be evaluated every time an ACPI notification is received. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20240219115919.16526-5-W_Armin@gmx.de Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2023-05-09platform/x86: wmi: Add documentationArmin Wolf1-0/+96
Add documentation for the WMI subsystem. The documentation describes both the ACPI WMI interface and the driver API for interacting with the WMI driver core. The information regarding the ACPI interface was retrieved from the Ubuntu kernel references and the Windows driver samples available on GitHub. The documentation is supposed to help driver developers writing WMI drivers, as many modern machines designed to run Windows provide an ACPI WMI interface. Signed-off-by: Armin Wolf <W_Armin@gmx.de> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Link: https://lore.kernel.org/r/20230424222939.208137-4-W_Armin@gmx.de Signed-off-by: Hans de Goede <hdegoede@redhat.com>