asus-laptop: document sysfs interface

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

1 files changed, 52 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
new file mode 100644
index 000000000000..a1cb660c50cf
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
@@ -0,0 +1,52 @@
+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