xbacklight on intel

[Colin Guthrie]

Khashayar Naderehvandi wrote:
> 
> 
> 
>     So your machine is defaulting to the native register interface.  I
>     wonder if
>     it should be using the legacy interface instead?  Can you try
>      $ xrandr --output LVDS --set BACKLIGHT_CONTROL legacy
>     and see if xbacklight works for you then?
> 
> After changing it to legacy it still does not work. However, runing
> xbacklight -get I know get a figure (around 0.5), whereas before
> switching over to legacy xbacklight returned the mysterious string "nan".

nan probably == "Not a Number" ala Javascript etc. Quite why this is,
however, I haven't the foggiest!

Col