1.. SPDX-License-Identifier: GPL-2.0-or-later 2 3============== 4WMI Driver API 5============== 6 7The WMI driver core supports a more modern bus-based interface for interacting 8with WMI devices, and an older GUID-based interface. The latter interface is 9considered to be deprecated, so new WMI drivers should generally avoid it since 10it has some issues with multiple WMI devices and events sharing the same GUIDs 11and/or notification IDs. The modern bus-based interface instead maps each 12WMI device to a :c:type:`struct wmi_device <wmi_device>`, so it supports 13WMI devices sharing GUIDs and/or notification IDs. Drivers can then register 14a :c:type:`struct wmi_driver <wmi_driver>`, which will be bound to compatible 15WMI devices by the driver core. 16 17.. kernel-doc:: include/linux/wmi.h 18 :internal: 19 20.. kernel-doc:: drivers/platform/x86/wmi.c 21 :export: 22