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-rw-r--r--drivers/acpi/Kconfig45
1 files changed, 33 insertions, 12 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 4770de5707b9..a34a22841002 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -31,10 +31,14 @@ menuconfig ACPI
ACPI CA, see:
<http://acpica.org/>
- ACPI is an open industry specification co-developed by
- Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba.
+ ACPI is an open industry specification originally co-developed by
+ Hewlett-Packard, Intel, Microsoft, Phoenix, and Toshiba. Currently,
+ it is developed by the ACPI Specification Working Group (ASWG) under
+ the UEFI Forum and any UEFI member can join the ASWG and contribute
+ to the ACPI specification.
The specification is available at:
<http://www.acpi.info>
+ <http://www.uefi.org/acpi/specs>
if ACPI
@@ -43,18 +47,22 @@ config ACPI_SLEEP
depends on SUSPEND || HIBERNATION
default y
-config ACPI_PROCFS
- bool "Deprecated /proc/acpi files"
+config ACPI_PROCFS_POWER
+ bool "Deprecated power /proc/acpi directories"
depends on PROC_FS
help
For backwards compatibility, this option allows
- deprecated /proc/acpi/ files to exist, even when
- they have been replaced by functions in /sys.
-
- This option has no effect on /proc/acpi/ files
- and functions which do not yet exist in /sys.
-
- Say N to delete /proc/acpi/ files that have moved to /sys/
+ deprecated power /proc/acpi/ directories to exist, even when
+ they have been replaced by functions in /sys.
+ The deprecated directories (and their replacements) include:
+ /proc/acpi/battery/* (/sys/class/power_supply/*)
+ /proc/acpi/ac_adapter/* (sys/class/power_supply/*)
+ This option has no effect on /proc/acpi/ directories
+ and functions, which do not yet exist in /sys
+ This option, together with the proc directories, will be
+ deleted in the future.
+
+ Say N to delete power /proc/acpi/ directories that have moved to /sys/
config ACPI_EC_DEBUGFS
tristate "EC read/write access through /sys/kernel/debug/ec"
@@ -115,7 +123,7 @@ config ACPI_BUTTON
config ACPI_VIDEO
tristate "Video"
- depends on X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
+ depends on X86 && BACKLIGHT_CLASS_DEVICE
depends on INPUT
select THERMAL
help
@@ -343,6 +351,19 @@ config ACPI_BGRT
data from the firmware boot splash. It will appear under
/sys/firmware/acpi/bgrt/ .
+config ACPI_REDUCED_HARDWARE_ONLY
+ bool "Hardware-reduced ACPI support only" if EXPERT
+ def_bool n
+ depends on ACPI
+ help
+ This config item changes the way the ACPI code is built. When this
+ option is selected, the kernel will use a specialized version of
+ ACPICA that ONLY supports the ACPI "reduced hardware" mode. The
+ resulting kernel will be smaller but it will also be restricted to
+ running in ACPI reduced hardware mode ONLY.
+
+ If you are unsure what to do, do not enable this option.
+
source "drivers/acpi/apei/Kconfig"
config ACPI_EXTLOG