Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

[firefly-linux-kernel-4.4.55.git] / Documentation / laptops / thinkpad-acpi.txt

diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index fc04c14de4bbc3705e14eddb97a214ca8a7f6331..72a150d8f3dfa58975a7ed05d0371e475e059e5b 100644 (file)
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -1355,6 +1355,24 @@ Sysfs notes:
        rfkill controller switch "tpacpi_uwb_sw": refer to
        Documentation/rfkill.txt for details.
 
+Adaptive keyboard
+-----------------
+
+sysfs device attribute: adaptive_kbd_mode
+
+This sysfs attribute controls the keyboard "face" that will be shown on the
+Lenovo X1 Carbon 2nd gen (2014)'s adaptive keyboard. The value can be read
+and set.
+
+1 = Home mode
+2 = Web-browser mode
+3 = Web-conference mode
+4 = Function mode
+5 = Layflat mode
+
+For more details about which buttons will appear depending on the mode, please
+review the laptop's user guide:
+http://www.lenovo.com/shop/americas/content/user_guides/x1carbon_2_ug_en.pdf
 
 Multiple Commands, Module Parameters
 ------------------------------------