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- # SPDX-License-Identifier: GPL-2.0-or-later
- #
- # ACPI WMI Core
- #
- menuconfig ACPI_WMI
- tristate "ACPI-WMI support"
- depends on ACPI && X86
- select NLS
- help
- This option enables support for the ACPI-WMI driver core.
- The ACPI-WMI interface is a proprietary extension of ACPI allowing
- the platform firmware to expose WMI (Windows Management Instrumentation)
- objects used for managing various aspects of the underlying system.
- Mapping between ACPI control methods and WMI objects happens through
- special mapper devices (PNP0C14) defined inside the ACPI tables.
- Enabling this option is necessary for building the vendor specific
- ACPI-WMI client drivers for Acer, Dell an HP machines (among others).
- It is safe to enable this option even for machines that do not contain
- any ACPI-WMI mapper devices at all.
- if ACPI_WMI
- config ACPI_WMI_LEGACY_DEVICE_NAMES
- bool "Use legacy WMI device naming scheme"
- help
- Say Y here to force the WMI driver core to use the old WMI device naming
- scheme when creating WMI devices. Doing so might be necessary for some
- userspace applications but will cause the registration of WMI devices with
- the same GUID to fail in some corner cases.
- source "drivers/platform/wmi/tests/Kconfig"
- endif # ACPI_WMI
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