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-rw-r--r--drivers/misc/Kconfig27
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 1d516f24ba5..a26655881e6 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -5,6 +5,11 @@
menuconfig MISC_DEVICES
bool "Misc devices"
default y
+ ---help---
+ Say Y here to get to see options for device drivers from various
+ different categories. This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
if MISC_DEVICES
@@ -150,6 +155,7 @@ config THINKPAD_ACPI
depends on X86 && ACPI
select BACKLIGHT_CLASS_DEVICE
select HWMON
+ select NVRAM
---help---
This is a driver for the IBM and Lenovo ThinkPad laptops. It adds
support for Fn-Fx key combinations, Bluetooth control, video
@@ -196,4 +202,25 @@ config THINKPAD_ACPI_BAY
If you are not sure, say Y here.
+config THINKPAD_ACPI_INPUT_ENABLED
+ bool "Enable input layer support by default"
+ depends on THINKPAD_ACPI
+ default n
+ ---help---
+ This option enables thinkpad-acpi hot key handling over the input
+ layer at driver load time. When it is unset, the driver does not
+ enable hot key handling by default, and also starts up with a mostly
+ empty keymap.
+
+ This option should be enabled if you have a new enough HAL or other
+ userspace support that properly handles the thinkpad-acpi event
+ device. It auto-tunes the hot key support to those reported by the
+ firmware and enables it automatically.
+
+ If unsure, say N here to retain the old behaviour of ibm-acpi, and
+ thinkpad-acpi up to kernel 2.6.21: userspace will have to enable and
+ set up the thinkpad-acpi hot key handling using the sysfs interace
+ after loading the driver.
+
+
endif # MISC_DEVICES