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authorLen Brown <len.brown@intel.com>2009-09-19 07:06:16 +0200
committerLen Brown <len.brown@intel.com>2009-09-19 07:06:16 +0200
commit596fb7ae462f5c82a1d663fe04f8c98464c963c9 (patch)
tree0853612306257f388a4cecdbd3043162a5d42251 /Documentation
parentMerge branch 'sfi-base' into release (diff)
parentthinkpad-acpi: report brightness events when required (diff)
downloadlinux-596fb7ae462f5c82a1d663fe04f8c98464c963c9.tar.xz
linux-596fb7ae462f5c82a1d663fe04f8c98464c963c9.zip
Merge branch 'thinkpad' into release
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/laptops/thinkpad-acpi.txt8
1 files changed, 6 insertions, 2 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index e2ddcdeb61b6..6d03487ef1c7 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -219,7 +219,7 @@ The following commands can be written to the /proc/acpi/ibm/hotkey file:
echo 0xffffffff > /proc/acpi/ibm/hotkey -- enable all hot keys
echo 0 > /proc/acpi/ibm/hotkey -- disable all possible hot keys
... any other 8-hex-digit mask ...
- echo reset > /proc/acpi/ibm/hotkey -- restore the original mask
+ echo reset > /proc/acpi/ibm/hotkey -- restore the recommended mask
The following commands have been deprecated and will cause the kernel
to log a warning:
@@ -240,9 +240,13 @@ sysfs notes:
Returns 0.
hotkey_bios_mask:
+ DEPRECATED, DON'T USE, WILL BE REMOVED IN THE FUTURE.
+
Returns the hot keys mask when thinkpad-acpi was loaded.
Upon module unload, the hot keys mask will be restored
- to this value.
+ to this value. This is always 0x80c, because those are
+ the hotkeys that were supported by ancient firmware
+ without mask support.
hotkey_enable:
DEPRECATED, WILL BE REMOVED SOON.