eeepc-laptop: document sysfs interface

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

1 files changed, 50 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/sysfs-platform-eeepc-laptop b/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
new file mode 100644
index 000000000000..7445dfb321b5
--- /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.