[ltp] Command to dim the LCD brightness

Alex Deucher linux-thinkpad@linux-thinkpad.org
Tue, 11 Jan 2005 10:52:36 -0500


On Tue, 11 Jan 2005 16:38:24 +0100, Bob Alexander <bob@ngi.it> wrote:
> In my ibm-acpi scripts I want to lower the brightness of the LCD just
> like pressing Fn+End when the AC power goes off and resume full
> brightness when AC is reinserted.
> 
> I know which events to capture with ibm-acpi but I do not know what
> action to perform to minimize/maximize the brightness.

Support for acpi video type devices was added to recent 2.6 kernels. 
this allows you to adjust things like screen brightness, etc.  I'm not
sure how you would hook it into ibm-acpi.

Alex

> 
> Debian sid, T40.
> 
> TIA,
> Bob