config ACPI
bool "ACPI Support"
depends on IA64 || X86
+ select PM
+ select PCI
default y
---help---
if ACPI
-config ACPI_BOOT
- bool
- default y
-
-config ACPI_INTERPRETER
- bool
- depends on !IA64_SGI_SN
- default y
-
-if ACPI_INTERPRETER
-
config ACPI_SLEEP
- bool "Sleep States (EXPERIMENTAL)"
- depends on X86
- depends on EXPERIMENTAL && PM
+ bool "Sleep States"
+ depends on X86 && (!SMP || SUSPEND_SMP)
+ depends on PM
default y
---help---
This option adds support for ACPI suspend states.
depends on ACPI_SLEEP && PROC_FS
default y
+config ACPI_SLEEP_PROC_SLEEP
+ bool "/proc/acpi/sleep (deprecated)"
+ depends on ACPI_SLEEP_PROC_FS
+ default n
+ ---help---
+ Create /proc/acpi/sleep
+ Deprecated by /sys/power/state
+
config ACPI_AC
tristate "AC Adapter"
depends on X86
- default m
+ default y
help
This driver adds support for the AC Adapter object, which indicates
- whether a system is on AC, or not. Typically, only mobile systems
- have this object, since desktops are always on AC.
+ whether a system is on AC, or not. If you have a system that can
+ switch between A/C and battery, say Y.
config ACPI_BATTERY
tristate "Battery"
depends on X86
- default m
+ default y
help
This driver adds support for battery information through
/proc/acpi/battery. If you have a mobile system with a battery,
config ACPI_BUTTON
tristate "Button"
- depends on !IA64_SGI_SN
- default m
+ default y
help
- This driver registers for events based on buttons, such as the
- power, sleep, and lid switch. In the future, a daemon will read
- /proc/acpi/event and perform user-defined actions such as shutting
- down the system. Until then, you can cat it, and see output when
- a button is pressed.
+ This driver handles events on the power, sleep and lid buttons.
+ A daemon reads /proc/acpi/event and perform user-defined actions
+ such as shutting down the system. This is necessary for
+ software controlled poweroff.
config ACPI_VIDEO
tristate "Video"
- depends on EXPERIMENTAL
- depends on !IA64_SGI_SN
- default m
+ depends on X86
+ default y
help
This driver implement the ACPI Extensions For Display Adapters
for integrated graphics devices on motherboard, as specified in
Note that this is an ref. implementation only. It may or may not work
for your integrated video device.
+config ACPI_HOTKEY
+ tristate "Generic Hotkey (EXPERIMENTAL)"
+ depends on EXPERIMENTAL
+ depends on X86
+ default n
+ help
+ Experimental consolidated hotkey driver.
+ If you are unsure, say N.
+
config ACPI_FAN
tristate "Fan"
- depends on !IA64_SGI_SN
- default m
+ default y
help
This driver adds support for ACPI fan devices, allowing user-mode
applications to perform basic fan control (on, off, status).
config ACPI_PROCESSOR
tristate "Processor"
- depends on !IA64_SGI_SN
- default m
+ default y
help
This driver installs ACPI as the idle handler for Linux, and uses
ACPI C2 and C3 processor states to save power, on systems that
- support it.
+ support it. It is required by several flavors of cpufreq
+ Performance-state drivers.
config ACPI_HOTPLUG_CPU
- bool "Processor Hotplug (EXPERIMENTAL)"
- depends on ACPI_PROCESSOR && HOTPLUG_CPU && EXPERIMENTAL
- depends on !IA64_SGI_SN
+ bool
+ depends on ACPI_PROCESSOR && HOTPLUG_CPU
select ACPI_CONTAINER
- default n
- ---help---
- Select this option if your platform support physical CPU hotplug.
+ default y
config ACPI_THERMAL
tristate "Thermal Zone"
depends on ACPI_PROCESSOR
- default m
+ default y
help
This driver adds support for ACPI thermal zones. Most mobile and
some desktop systems support ACPI thermal zones. It is HIGHLY
config ACPI_ASUS
tristate "ASUS/Medion Laptop Extras"
depends on X86
- default m
---help---
This driver provides support for extra features of ACPI-compatible
ASUS laptops. As some of Medion laptops are made by ASUS, it may also
config ACPI_IBM
tristate "IBM ThinkPad Laptop Extras"
depends on X86
- default m
---help---
This is a Linux ACPI driver for the IBM ThinkPad laptops. It adds
support for Fn-Fx key combinations, Bluetooth control, video
If you have an IBM ThinkPad laptop, say Y or M here.
+config ACPI_IBM_DOCK
+ bool "Legacy Docking Station Support"
+ depends on ACPI_IBM
+ default n
+ ---help---
+ Allows the ibm_acpi driver to handle docking station events.
+ This support is obsoleted by CONFIG_HOTPLUG_PCI_ACPI. It will
+ allow locking and removing the laptop from the docking station,
+ but will not properly connect PCI devices.
+
+ If you are not sure, say N here.
+
config ACPI_TOSHIBA
tristate "Toshiba Laptop Extras"
depends on X86
- default m
---help---
This driver adds support for access to certain system settings
on "legacy free" Toshiba laptops. These laptops can be recognized by
depends on ACPI_CUSTOM_DSDT
default ""
help
- Enter the full path name to the file wich includes the AmlCode declaration.
+ Enter the full path name to the file which includes the AmlCode
+ declaration.
config ACPI_BLACKLIST_YEAR
- int "Disable ACPI for systems before Jan 1st this year"
- depends on ACPI_INTERPRETER
+ int "Disable ACPI for systems before Jan 1st this year" if X86_32
default 0
help
enter a 4-digit year, eg. 2001 to disable ACPI by default
config ACPI_DEBUG
bool "Debug Statements"
- depends on !IA64_SGI_SN
default n
help
The ACPI driver can optionally report errors with a great deal
of verbosity. Saying Y enables these statements. This will increase
your kernel size by around 50K.
-config ACPI_BUS
- bool
- depends on !IA64_SGI_SN
- default y
-
config ACPI_EC
bool
- depends on X86
default y
help
This driver is required on some systems for the proper operation of
config ACPI_POWER
bool
- depends on !IA64_SGI_SN
default y
-config ACPI_PCI
- bool
- depends on !IA64_SGI_SN
- default PCI
-
config ACPI_SYSTEM
bool
- depends on !IA64_SGI_SN
default y
help
This driver will enable your system to shut down using ACPI, and
dump your ACPI DSDT table using /proc/acpi/dsdt.
-endif # ACPI_INTERPRETER
-
config X86_PM_TIMER
- bool "Power Management Timer Support"
+ bool "Power Management Timer Support" if EMBEDDED
depends on X86
- depends on ACPI_BOOT && EXPERIMENTAL
- depends on !X86_64
- default n
+ default y
help
The Power Management Timer is available on all ACPI-capable,
in most cases even if ACPI is unusable or blacklisted.
voltage scaling, unlike the commonly used Time Stamp Counter
(TSC) timing source.
- So, if you see messages like 'Losing too many ticks!' in the
- kernel logs, and/or you are using this on a notebook which
- does not yet have an HPET, you should say "Y" here.
+ You should nearly always say Y here because many modern
+ systems require this timer.
config ACPI_CONTAINER
tristate "ACPI0004,PNP0A05 and PNP0A06 Container Driver (EXPERIMENTAL)"
depends on EXPERIMENTAL
default (ACPI_HOTPLUG_MEMORY || ACPI_HOTPLUG_CPU || ACPI_HOTPLUG_IO)
---help---
- This is the ACPI generic container driver which supports
- ACPI0004, PNP0A05 and PNP0A06 devices
+ This allows _physical_ insertion and removal of CPUs and memory.
+ This can be useful, for example, on NUMA machines that support
+ ACPI based physical hotplug of nodes, or non-NUMA machines that
+ support physical cpu/memory hot-plug.
+
+ If one selects "m", this driver can be loaded with
+ "modprobe acpi_container".
config ACPI_HOTPLUG_MEMORY
tristate "Memory Hotplug"
depends on ACPI
- depends on MEMORY_HOTPLUG
+ depends on MEMORY_HOTPLUG || X86_64
default n
help
This driver adds supports for ACPI Memory Hotplug. This driver
git://git.onelab.eu / linux-2.6.git / blobdiff