[ltp] How to turn off LCD backlight by software?

Ted Johansson linux-thinkpad@linux-thinkpad.org
Sat, 06 Sep 2003 17:58:44 +0200


Georg Sauthoff wrote:

>Hi,
>
>after I disabled APIC in the kernel, suspend and resume works well with the 
>Thinkpad R40.
>
>Manually I can turn off the LCD backlight with Fn+F3.
>
>But the DPMS settings have no effect at the backlight.
>
>Is there any possibility to turn the backlight off by software?
>  
>

Take a look at the tpctl package. Fn F3 = tpctl -S with this package.
Home page: http://tpctl.sourceforge.net/tpctlhome.htm


/Ted