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c41a40c58b
There's been a patch floating around for toshiba_acpi that exports an ad-hoc /proc interface to toggle the bluetooth adapter in a large number of Toshiba laptops. I'm not sure if it's still relevant for the latest models, but it is still required for older models such as my Tecra M3. This change pulls in the low level Toshiba-specific code from the old patch and sets up an rfkill device and a polled input device to track the state of the hardware kill-switch. Signed-off-by: Philip Langdale <philipl@overt.org> Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: John W. Linville <linville@tuxdriver.com>
419 lines
14 KiB
Plaintext
419 lines
14 KiB
Plaintext
#
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# ACPI Configuration
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#
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menuconfig ACPI
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bool "ACPI (Advanced Configuration and Power Interface) Support"
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depends on !IA64_HP_SIM
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depends on IA64 || X86
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depends on PCI
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depends on PM
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select PNP
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default y
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---help---
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Advanced Configuration and Power Interface (ACPI) support for
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Linux requires an ACPI compliant platform (hardware/firmware),
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and assumes the presence of OS-directed configuration and power
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management (OSPM) software. This option will enlarge your
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kernel by about 70K.
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Linux ACPI provides a robust functional replacement for several
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legacy configuration and power management interfaces, including
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the Plug-and-Play BIOS specification (PnP BIOS), the
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MultiProcessor Specification (MPS), and the Advanced Power
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Management (APM) specification. If both ACPI and APM support
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are configured, whichever is loaded first shall be used.
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The ACPI SourceForge project contains the latest source code,
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documentation, tools, mailing list subscription, and other
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information. This project is available at:
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<http://sourceforge.net/projects/acpi>
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Linux support for ACPI is based on Intel Corporation's ACPI
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Component Architecture (ACPI CA). For more information see:
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<http://developer.intel.com/technology/iapc/acpi>
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ACPI is an open industry specification co-developed by Compaq,
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Intel, Microsoft, Phoenix, and Toshiba. The specification is
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available at:
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<http://www.acpi.info>
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if ACPI
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config ACPI_SLEEP
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bool
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depends on PM_SLEEP
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default y
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config ACPI_PROCFS
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bool "Deprecated /proc/acpi files"
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depends on PROC_FS
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---help---
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For backwards compatibility, this option allows
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deprecated /proc/acpi/ files to exist, even when
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they have been replaced by functions in /sys.
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The deprecated files (and their replacements) include:
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/proc/acpi/sleep (/sys/power/state)
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/proc/acpi/info (/sys/modules/acpi/parameters/acpica_version)
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/proc/acpi/dsdt (/sys/firmware/acpi/tables/DSDT)
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/proc/acpi/fadt (/sys/firmware/acpi/tables/FACP)
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/proc/acpi/debug_layer (/sys/module/acpi/parameters/debug_layer)
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/proc/acpi/debug_level (/sys/module/acpi/parameters/debug_level)
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This option has no effect on /proc/acpi/ files
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and functions which do not yet exist in /sys.
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Say N to delete /proc/acpi/ files that have moved to /sys/
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config ACPI_PROCFS_POWER
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bool "Deprecated power /proc/acpi directories"
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depends on PROC_FS
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default y
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---help---
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For backwards compatibility, this option allows
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deprecated power /proc/acpi/ directories to exist, even when
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they have been replaced by functions in /sys.
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The deprecated directories (and their replacements) include:
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/proc/acpi/battery/* (/sys/class/power_supply/*)
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/proc/acpi/ac_adapter/* (sys/class/power_supply/*)
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This option has no effect on /proc/acpi/ directories
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and functions, which do not yet exist in /sys
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Say N to delete power /proc/acpi/ directories that have moved to /sys/
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config ACPI_SYSFS_POWER
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bool "Future power /sys interface"
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select POWER_SUPPLY
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default y
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---help---
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Say N to disable power /sys interface
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config ACPI_PROC_EVENT
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bool "Deprecated /proc/acpi/event support"
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depends on PROC_FS
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default y
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---help---
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A user-space daemon, acpi, typically read /proc/acpi/event
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and handled all ACPI sub-system generated events.
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These events are now delivered to user-space via
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either the input layer, or as netlink events.
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This build option enables the old code for legacy
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user-space implementation. After some time, this will
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be moved under CONFIG_ACPI_PROCFS, and then deleted.
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Say Y here to retain the old behaviour. Say N if your
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user-space is newer than kernel 2.6.23 (September 2007).
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config ACPI_AC
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tristate "AC Adapter"
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depends on X86
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default y
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help
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This driver adds support for the AC Adapter object, which indicates
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whether a system is on AC, or not. If you have a system that can
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switch between A/C and battery, say Y.
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config ACPI_BATTERY
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tristate "Battery"
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depends on X86
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default y
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help
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This driver adds support for battery information through
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/proc/acpi/battery. If you have a mobile system with a battery,
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say Y.
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config ACPI_BUTTON
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tristate "Button"
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depends on INPUT
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default y
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help
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This driver handles events on the power, sleep and lid buttons.
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A daemon reads /proc/acpi/event and perform user-defined actions
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such as shutting down the system. This is necessary for
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software controlled poweroff.
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config ACPI_VIDEO
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tristate "Video"
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depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
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depends on INPUT
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select THERMAL
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help
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This driver implement the ACPI Extensions For Display Adapters
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for integrated graphics devices on motherboard, as specified in
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ACPI 2.0 Specification, Appendix B, allowing to perform some basic
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control like defining the video POST device, retrieving EDID information
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or to setup a video output, etc.
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Note that this is an ref. implementation only. It may or may not work
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for your integrated video device.
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config ACPI_FAN
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tristate "Fan"
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select THERMAL
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default y
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help
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This driver adds support for ACPI fan devices, allowing user-mode
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applications to perform basic fan control (on, off, status).
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config ACPI_DOCK
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tristate "Dock"
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depends on EXPERIMENTAL
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help
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This driver adds support for ACPI controlled docking stations
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config ACPI_BAY
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tristate "Removable Drive Bay (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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depends on ACPI_DOCK
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help
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This driver adds support for ACPI controlled removable drive
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bays such as the IBM ultrabay or the Dell Module Bay.
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config ACPI_PROCESSOR
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tristate "Processor"
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select THERMAL
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default y
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help
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This driver installs ACPI as the idle handler for Linux, and uses
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ACPI C2 and C3 processor states to save power, on systems that
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support it. It is required by several flavors of cpufreq
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Performance-state drivers.
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config ACPI_HOTPLUG_CPU
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bool
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depends on ACPI_PROCESSOR && HOTPLUG_CPU
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select ACPI_CONTAINER
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default y
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config ACPI_THERMAL
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tristate "Thermal Zone"
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depends on ACPI_PROCESSOR
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select THERMAL
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default y
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help
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This driver adds support for ACPI thermal zones. Most mobile and
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some desktop systems support ACPI thermal zones. It is HIGHLY
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recommended that this option be enabled, as your processor(s)
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may be damaged without it.
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config ACPI_NUMA
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bool "NUMA support"
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depends on NUMA
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depends on (X86 || IA64)
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default y if IA64_GENERIC || IA64_SGI_SN2
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config ACPI_WMI
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tristate "WMI (EXPERIMENTAL)"
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depends on X86
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depends on EXPERIMENTAL
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help
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This driver adds support for the ACPI-WMI (Windows Management
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Instrumentation) mapper device (PNP0C14) found on some systems.
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ACPI-WMI is a proprietary extension to ACPI to expose parts of the
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ACPI firmware to userspace - this is done through various vendor
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defined methods and data blocks in a PNP0C14 device, which are then
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made available for userspace to call.
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The implementation of this in Linux currently only exposes this to
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other kernel space drivers.
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This driver is a required dependency to build the firmware specific
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drivers needed on many machines, including Acer and HP laptops.
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It is safe to enable this driver even if your DSDT doesn't define
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any ACPI-WMI devices.
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config ACPI_ASUS
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tristate "ASUS/Medion Laptop Extras"
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depends on X86
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select BACKLIGHT_CLASS_DEVICE
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---help---
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This driver provides support for extra features of ACPI-compatible
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ASUS laptops. As some of Medion laptops are made by ASUS, it may also
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support some Medion laptops (such as 9675 for example). It makes all
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the extra buttons generate standard ACPI events that go through
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/proc/acpi/events, and (on some models) adds support for changing the
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display brightness and output, switching the LCD backlight on and off,
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and most importantly, allows you to blink those fancy LEDs intended
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for reporting mail and wireless status.
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Note: display switching code is currently considered EXPERIMENTAL,
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toying with these values may even lock your machine.
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All settings are changed via /proc/acpi/asus directory entries. Owner
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and group for these entries can be set with asus_uid and asus_gid
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parameters.
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More information and a userspace daemon for handling the extra buttons
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at <http://sourceforge.net/projects/acpi4asus/>.
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If you have an ACPI-compatible ASUS laptop, say Y or M here. This
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driver is still under development, so if your laptop is unsupported or
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something works not quite as expected, please use the mailing list
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available on the above page (acpi4asus-user@lists.sourceforge.net).
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NOTE: This driver is deprecated and will probably be removed soon,
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use asus-laptop instead.
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config ACPI_TOSHIBA
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tristate "Toshiba Laptop Extras"
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depends on X86
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select INPUT_POLLDEV
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select NET
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select RFKILL
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select BACKLIGHT_CLASS_DEVICE
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---help---
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This driver adds support for access to certain system settings
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on "legacy free" Toshiba laptops. These laptops can be recognized by
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their lack of a BIOS setup menu and APM support.
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On these machines, all system configuration is handled through the
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ACPI. This driver is required for access to controls not covered
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by the general ACPI drivers, such as LCD brightness, video output,
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etc.
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This driver differs from the non-ACPI Toshiba laptop driver (located
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under "Processor type and features") in several aspects.
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Configuration is accessed by reading and writing text files in the
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/proc tree instead of by program interface to /dev. Furthermore, no
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power management functions are exposed, as those are handled by the
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general ACPI drivers.
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More information about this driver is available at
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<http://memebeam.org/toys/ToshibaAcpiDriver>.
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If you have a legacy free Toshiba laptop (such as the Libretto L1
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series), say Y.
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config ACPI_CUSTOM_DSDT_FILE
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string "Custom DSDT Table file to include"
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default ""
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depends on !STANDALONE
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help
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This option supports a custom DSDT by linking it into the kernel.
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See Documentation/acpi/dsdt-override.txt
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Enter the full path name to the file which includes the AmlCode
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declaration.
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If unsure, don't enter a file name.
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config ACPI_CUSTOM_DSDT
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bool
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default ACPI_CUSTOM_DSDT_FILE != ""
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config ACPI_BLACKLIST_YEAR
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int "Disable ACPI for systems before Jan 1st this year" if X86_32
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default 0
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help
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enter a 4-digit year, eg. 2001 to disable ACPI by default
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on platforms with DMI BIOS date before January 1st that year.
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"acpi=force" can be used to override this mechanism.
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Enter 0 to disable this mechanism and allow ACPI to
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run by default no matter what the year. (default)
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config ACPI_DEBUG
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bool "Debug Statements"
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default n
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help
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The ACPI driver can optionally report errors with a great deal
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of verbosity. Saying Y enables these statements. This will increase
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your kernel size by around 50K.
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config ACPI_DEBUG_FUNC_TRACE
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bool "Additionally enable ACPI function tracing"
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default n
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depends on ACPI_DEBUG
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help
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ACPI Debug Statements slow down ACPI processing. Function trace
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is about half of the penalty and is rarely useful.
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config ACPI_EC
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bool
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default y
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help
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This driver is required on some systems for the proper operation of
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the battery and thermal drivers. If you are compiling for a
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mobile system, say Y.
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config ACPI_PCI_SLOT
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tristate "PCI slot detection driver"
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default n
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help
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This driver will attempt to discover all PCI slots in your system,
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and creates entries in /sys/bus/pci/slots/. This feature can
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help you correlate PCI bus addresses with the physical geography
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of your slots. If you are unsure, say N.
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config ACPI_POWER
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bool
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default y
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config ACPI_SYSTEM
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bool
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default y
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help
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This driver will enable your system to shut down using ACPI, and
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dump your ACPI DSDT table using /proc/acpi/dsdt.
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config X86_PM_TIMER
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bool "Power Management Timer Support" if EMBEDDED
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depends on X86
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default y
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help
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The Power Management Timer is available on all ACPI-capable,
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in most cases even if ACPI is unusable or blacklisted.
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This timing source is not affected by power management features
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like aggressive processor idling, throttling, frequency and/or
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voltage scaling, unlike the commonly used Time Stamp Counter
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(TSC) timing source.
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You should nearly always say Y here because many modern
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systems require this timer.
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config ACPI_CONTAINER
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tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)"
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depends on EXPERIMENTAL
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default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
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---help---
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This allows _physical_ insertion and removal of CPUs and memory.
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This can be useful, for example, on NUMA machines that support
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ACPI based physical hotplug of nodes, or non-NUMA machines that
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support physical cpu/memory hot-plug.
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If one selects "m", this driver can be loaded with
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"modprobe acpi_container".
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config ACPI_HOTPLUG_MEMORY
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tristate "Memory Hotplug"
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depends on MEMORY_HOTPLUG
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default n
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help
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This driver adds supports for ACPI Memory Hotplug. This driver
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provides support for fielding notifications on ACPI memory
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devices (PNP0C80) which represent memory ranges that may be
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onlined or offlined during runtime.
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Enabling this driver assumes that your platform hardware
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and firmware have support for hot-plugging physical memory. If
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your system does not support physically adding or ripping out
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memory DIMMs at some platform defined granularity (individually
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or as a bank) at runtime, then you need not enable this driver.
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If one selects "m," this driver can be loaded using the following
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command:
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$>modprobe acpi_memhotplug
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config ACPI_SBS
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tristate "Smart Battery System"
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depends on X86
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help
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This driver adds support for the Smart Battery System, another
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type of access to battery information, found on some laptops.
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endif # ACPI
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