eeepc-laptop: document sysfs interface

Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Corentin Chary 2009-08-28 12:56:42 +00:00 committed by Len Brown
parent d1ec9c3d43
commit d0a6825c92

View File

@ -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.