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The Linux kernel configuration item CONFIG_ACPI_WMI
has multiple definitions:
drivers/platform/x86/Kconfig
The configuration item CONFIG_ACPI_WMI:
CONFIG_ACPI
wmi
, wmi
This driver adds support for the ACPI-WMI (Windows Management Instrumentation) mapper device (PNP0C14) found on some systems.
ACPI-WMI is a proprietary extension to ACPI to expose parts of the ACPI firmware to userspace - this is done through various vendor defined methods and data blocks in a PNP0C14 device, which are then made available for userspace to call.
The implementation of this in Linux currently only exposes this to other kernel space drivers.
This driver is a required dependency to build the firmware specific drivers needed on many machines, including Acer and HP laptops.
It is safe to enable this driver even if your DSDT doesn't define any ACPI-WMI devices.
drivers/acpi/Kconfig
The configuration item CONFIG_ACPI_WMI:
( CONFIG_X86 ) && ( CONFIG_EXPERIMENTAL )
wmi
, wmi
This driver adds support for the ACPI-WMI (Windows Management Instrumentation) mapper device (PNP0C14) found on some systems.
ACPI-WMI is a proprietary extension to ACPI to expose parts of the ACPI firmware to userspace - this is done through various vendor defined methods and data blocks in a PNP0C14 device, which are then made available for userspace to call.
The implementation of this in Linux currently only exposes this to other kernel space drivers.
This driver is a required dependency to build the firmware specific drivers needed on many machines, including Acer and HP laptops.
It is safe to enable this driver even if your DSDT doesn't define any ACPI-WMI devices.
Raw data from LKDDb:
lkddb acpi "PNP0C14" : CONFIG_ACPI CONFIG_ACPI_WMI : drivers/acpi/wmi.c # in 2.6.25–2.6.28
lkddb acpi "PNP0C14" : CONFIG_ACPI_WMI CONFIG_X86 : drivers/platform/x86/wmi.c # in 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.10, 6.11-rc+HEAD
lkddb acpi "pnp0c14" : CONFIG_ACPI CONFIG_ACPI_WMI : drivers/acpi/wmi.c # in 2.6.25–2.6.28
lkddb acpi "pnp0c14" : CONFIG_ACPI_WMI CONFIG_X86 : drivers/platform/x86/wmi.c # in 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.10, 6.11-rc+HEAD
lkddb module wmi CONFIG_ACPI_WMI : drivers/acpi/Kconfig : "WMI (EXPERIMENTAL)" # in 2.6.25–2.6.28
lkddb module wmi CONFIG_ACPI_WMI : drivers/platform/x86/Kconfig : "WMI" # in 2.6.29–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.10, 6.11-rc+HEAD
lkddb platform "acpi-wmi" : CONFIG_ACPI_WMI CONFIG_X86 : drivers/platform/x86/wmi.c # in 4.13–4.20, 5.0–5.19, 6.0–6.10, 6.11-rc+HEAD
This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).
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Automatically generated (in year 2024). See also LKDDb sources on GitLab