msi-laptop: Add missing ABI documentation

Add ABI documentation for all sysfs files exposed by msi-laptop driver.

Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
Signed-off-by: Lee, Chun-Yi <jlee@suse.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

diff --git a/Documentation/ABI/testing/sysfs-platform-msi-laptop b/Documentation/ABI/testing/sysfs-platform-msi-laptop
new file mode 100644 (file)
index 0000000..307a247
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-msi-laptop
@@ -0,0 +1,83 @@
+What:          /sys/devices/platform/msi-laptop-pf/lcd_level
+Date:          Oct 2006
+KernelVersion: 2.6.19
+Contact:       "Lennart Poettering <mzxreary@0pointer.de>"
+Description:
+               Screen brightness: contains a single integer in the range 0..8.
+
+What:          /sys/devices/platform/msi-laptop-pf/auto_brightness
+Date:          Oct 2006
+KernelVersion: 2.6.19
+Contact:       "Lennart Poettering <mzxreary@0pointer.de>"
+Description:
+               Enable automatic brightness control: contains either 0 or 1. If
+               set to 1 the hardware adjusts the screen brightness
+               automatically when the power cord is plugged/unplugged.
+
+What:          /sys/devices/platform/msi-laptop-pf/wlan
+Date:          Oct 2006
+KernelVersion: 2.6.19
+Contact:       "Lennart Poettering <mzxreary@0pointer.de>"
+Description:
+               WLAN subsystem enabled: contains either 0 or 1.
+
+What:          /sys/devices/platform/msi-laptop-pf/bluetooth
+Date:          Oct 2006
+KernelVersion: 2.6.19
+Contact:       "Lennart Poettering <mzxreary@0pointer.de>"
+Description:
+               Bluetooth subsystem enabled: contains either 0 or 1. Please
+               note that this file is constantly 0 if no Bluetooth hardware is
+               available.
+
+What:          /sys/devices/platform/msi-laptop-pf/touchpad
+Date:          Nov 2012
+KernelVersion: 3.8
+Contact:       "Maxim Mikityanskiy <maxtram95@gmail.com>"
+Description:
+               Contains either 0 or 1 and indicates if touchpad is turned on.
+               Touchpad state can only be toggled by pressing Fn+F3.
+
+What:          /sys/devices/platform/msi-laptop-pf/turbo_mode
+Date:          Nov 2012
+KernelVersion: 3.8
+Contact:       "Maxim Mikityanskiy <maxtram95@gmail.com>"
+Description:
+               Contains either 0 or 1 and indicates if turbo mode is turned
+               on. In turbo mode power LED is orange and processor is
+               overclocked. Turbo mode is available only if charging. It is
+               only possible to toggle turbo mode state by pressing Fn+F10,
+               and there is a few seconds cooldown between subsequent toggles.
+               If user presses Fn+F10 too frequent, turbo mode state is not
+               changed.
+
+What:          /sys/devices/platform/msi-laptop-pf/eco_mode
+Date:          Nov 2012
+KernelVersion: 3.8
+Contact:       "Maxim Mikityanskiy <maxtram95@gmail.com>"
+Description:
+               Contains either 0 or 1 and indicates if ECO mode is turned on.
+               In ECO mode power LED is green and userspace should do some
+               powersaving actions. ECO mode is available only on battery
+               power. ECO mode can only be toggled by pressing Fn+F10.
+
+What:          /sys/devices/platform/msi-laptop-pf/turbo_cooldown
+Date:          Nov 2012
+KernelVersion: 3.8
+Contact:       "Maxim Mikityanskiy <maxtram95@gmail.com>"
+Description:
+               Contains value in range 0..3:
+                       * 0 -> Turbo mode is off
+                       * 1 -> Turbo mode is on, cannot be turned off yet
+                       * 2 -> Turbo mode is off, cannot be turned on yet
+                       * 3 -> Turbo mode is on
+
+What:          /sys/devices/platform/msi-laptop-pf/auto_fan
+Date:          Nov 2012
+KernelVersion: 3.8
+Contact:       "Maxim Mikityanskiy <maxtram95@gmail.com>"
+Description:
+               Contains either 0 or 1 and indicates if fan speed is controlled
+               automatically (1) or fan runs at maximal speed (0). Can be
+               toggled in software.
+