[ltp] video switching on x60

[Richard Neill]

>>   I also have browsed the archives which talks on pressing FnF7 to
>>   switch display but it doesnt work. I also tried executing "echo
>>   video_switch > /proc/acpi/ibm/video" but that too doesn't work.
> 
> Afaik, FN+F7 only works when this feature is in Hardware, like the older
> thinkpads.


Some X drivers have a BiosHotKeys flag, which defaults to Off!
eg, see man radeon.

Yes, this is daft - as another commentator wrote, it ought to be called 
Option "WorkProperly" "on".


-----------
Section "Device"
    ...
    Option "BiosHotKeys" "on"      #Enable Fn-F7 for switching between
EndSection			  #CRT,LCD,Both.
-----------