Battery - Control Screen brightness

[Mail Lists]

On 09/13/2009 05:25 PM, Kevin J. Cummings wrote:
> On 09/13/2009 11:36 AM, Mail Lists wrote:
>>
>>   Gnome - F11. When I unplug and go on battery - the screen dims. The
>> power applet for non-battery has a slider for screen brightness. The
>> battery tab only has a button to click to dim screen - i have that set
>> to no.
> 
> I see 2 check boxes:
> 
> 	Reduce backlight brightness
> 	Dim display when idle

   Yes - I unchecked these ..


 ...

> I see slightly different behaviour.  When I unplug from power, the
> screen dims.  I then use the buttons to return the screen brightness to
> where I want it.  Then (some time later) while using the touchpad (mouse
> and clicks) the screen all of a sudden dims again, even more.  If I then
> use the buttons to return it to where I want, just a short time after
> that the screen dims *again*.  Makes me wonder what "idle" is looking at
> for activity, since power management has been overridden manually, yet
> insists on asserting itself again, and again, and again, ....
> 


  I see the same behaviour here if I did NOT uncheck the 2 above
buttons. In this case the whole thing is almost unuseable - and the
definition of idle seems to be:

  If (idle_time > 60 seconds)
      dim_screen();
  else if (annoy_user_time > 60 seconds)
  {
      dim_screen();
      reset_annoy_user_timer();
  }