eeepc-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-eeepc-laptop b/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
new file mode 100644 (file)
index 0000000..7445dfb
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
@@ -0,0 +1,50 @@
+What:          /sys/devices/platform/eeepc-laptop/disp
+Date:          May 2008
+KernelVersion: 2.6.26
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               This file allows display switching.
+               - 1 = LCD
+               - 2 = CRT
+               - 3 = LCD+CRT
+               If you run X11, you should use xrandr instead.
+
+What:          /sys/devices/platform/eeepc-laptop/camera
+Date:          May 2008
+KernelVersion: 2.6.26
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Control the camera. 1 means on, 0 means off.
+
+What:          /sys/devices/platform/eeepc-laptop/cardr
+Date:          May 2008
+KernelVersion: 2.6.26
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Control the card reader. 1 means on, 0 means off.
+
+What:          /sys/devices/platform/eeepc-laptop/cpufv
+Date:          Jun 2009
+KernelVersion: 2.6.31
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               Change CPU clock configuration.
+               On the Eee PC 1000H there are three available clock configuration:
+                   * 0 -> Super Performance Mode
+                   * 1 -> High Performance Mode
+                   * 2 -> Power Saving Mode
+               On Eee PC 701 there is only 2 available clock configurations.
+               Available configuration are listed in available_cpufv file.
+               Reading this file will show the raw hexadecimal value which
+               is defined as follow:
+               | 8 bit | 8 bit |
+                   |       `---- Current mode
+                   `------------ Availables modes
+               For example, 0x301 means: mode 1 selected, 3 available modes.
+
+What:          /sys/devices/platform/eeepc-laptop/available_cpufv
+Date:          Jun 2009
+KernelVersion: 2.6.31
+Contact:       "Corentin Chary" <corentincj@iksaif.net>
+Description:
+               List available cpufv modes.