1# SPDX-License-Identifier: GPL-2.0-or-later 2# 3# ACPI WMI Core 4# 5 6menuconfig ACPI_WMI 7 tristate "ACPI-WMI support" 8 depends on ACPI && X86 9 select NLS 10 help 11 This option enables support for the ACPI-WMI driver core. 12 13 The ACPI-WMI interface is a proprietary extension of ACPI allowing 14 the platform firmware to expose WMI (Windows Management Instrumentation) 15 objects used for managing various aspects of the underlying system. 16 Mapping between ACPI control methods and WMI objects happens through 17 special mapper devices (PNP0C14) defined inside the ACPI tables. 18 19 Enabling this option is necessary for building the vendor specific 20 ACPI-WMI client drivers for Acer, Dell an HP machines (among others). 21 22 It is safe to enable this option even for machines that do not contain 23 any ACPI-WMI mapper devices at all. 24 25if ACPI_WMI 26 27config ACPI_WMI_LEGACY_DEVICE_NAMES 28 bool "Use legacy WMI device naming scheme" 29 help 30 Say Y here to force the WMI driver core to use the old WMI device naming 31 scheme when creating WMI devices. Doing so might be necessary for some 32 userspace applications but will cause the registration of WMI devices with 33 the same GUID to fail in some corner cases. 34 35source "drivers/platform/wmi/tests/Kconfig" 36 37endif # ACPI_WMI 38