asus-laptop: document sysfs interface

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
new file mode 100644 (file)
index 0000000..a1cb660
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
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+What:          /sys/devices/platform/asus-laptop/display
+Date:          January 2007
+KernelVersion: 2.6.20
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               This file allows display switching. The value
+               is composed by 4 bits and defined as follow:
+               4321
+               |||`- LCD
+               ||`-- CRT
+               |`--- TV
+               `---- DVI
+               Ex: - 0 (0000b) means no display
+                   - 3 (0011b) CRT+LCD.
+
+What:          /sys/devices/platform/asus-laptop/gps
+Date:          January 2007
+KernelVersion: 2.6.20
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Control the gps device. 1 means on, 0 means off.
+Users:         Lapsus
+
+What:          /sys/devices/platform/asus-laptop/ledd
+Date:          January 2007
+KernelVersion: 2.6.20
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Some models like the W1N have a LED display that can be
+               used to display several informations.
+               To control the LED display, use the following :
+                   echo 0x0T000DDD > /sys/devices/platform/asus-laptop/
+               where T control the 3 letters display, and DDD the 3 digits display.
+               The DDD table can be found in Documentation/laptops/asus-laptop.txt
+
+What:          /sys/devices/platform/asus-laptop/bluetooth
+Date:          January 2007
+KernelVersion: 2.6.20
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Control the bluetooth device. 1 means on, 0 means off.
+               This may control the led, the device or both.
+Users:         Lapsus
+
+What:          /sys/devices/platform/asus-laptop/wlan
+Date:          January 2007
+KernelVersion: 2.6.20
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Control the bluetooth device. 1 means on, 0 means off.
+               This may control the led, the device or both.
+Users:         Lapsus