Commit 28b779d1 authored by Stefan Schmidt's avatar Stefan Schmidt Committed by Len Brown

ACPI: ibm_acpi: Documentation the wan feature.

Document the wan feature Jeremy Fitzhardinge added to ibm_acpi.
Signed-off-by: default avatarStefan Schmidt <stefan@datenfreihafen.org>
Acked-by: default avatarBorislav Deianov <borislav@users.sourceforge.net>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 24f7ff0a
......@@ -33,6 +33,7 @@ detailed description):
- LCD brightness control
- Volume control
- Experimental: fan speed, fan enable/disable
- Experimental: WAN enable and disable
A compatibility table by model and feature is maintained on the web
site, http://ibm-acpi.sf.net/. I appreciate any success or failure
......@@ -601,6 +602,23 @@ with the following command:
echo 'level <level>' > /proc/acpi/ibm/thermal
EXPERIMENTAL: WAN -- /proc/acpi/ibm/wan
---------------------------------------
This feature is marked EXPERIMENTAL because the implementation
directly accesses hardware registers and may not work as expected. USE
WITH CAUTION! To use this feature, you need to supply the
experimental=1 parameter when loading the module.
This feature shows the presence and current state of a WAN (Sierra
Wireless EV-DO) device. If WAN is installed, the following commands can
be used:
echo enable > /proc/acpi/ibm/wan
echo disable > /proc/acpi/ibm/wan
It was tested on a Lenovo Thinkpad X60. It should probably work on other
Thinkpad models which come with this module installed.
Multiple Commands, Module Parameters
------------------------------------
......
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