Commit 336d63b8 authored by Len Brown's avatar Len Brown

Merge branch 'thinkpad-acpi' into release

parents 07290bed 0e501834
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...@@ -226,6 +226,30 @@ config THINKPAD_ACPI_DEBUG ...@@ -226,6 +226,30 @@ config THINKPAD_ACPI_DEBUG
If you are not sure, say N here. If you are not sure, say N here.
config THINKPAD_ACPI_UNSAFE_LEDS
bool "Allow control of important LEDs (unsafe)"
depends on THINKPAD_ACPI
default n
---help---
Overriding LED state on ThinkPads can mask important
firmware alerts (like critical battery condition), or misled
the user into damaging the hardware (undocking or ejecting
the bay while buses are still active), etc.
LED control on the ThinkPad is write-only (with very few
exceptions on very ancient models), which makes it
impossible to know beforehand if important information will
be lost when one changes LED state.
Users that know what they are doing can enable this option
and the driver will allow control of every LED, including
the ones on the dock stations.
Never enable this option on a distribution kernel.
Say N here, unless you are building a kernel for your own
use, and need to control the important firmware LEDs.
config THINKPAD_ACPI_DOCK config THINKPAD_ACPI_DOCK
bool "Legacy Docking Station Support" bool "Legacy Docking Station Support"
depends on THINKPAD_ACPI depends on THINKPAD_ACPI
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