Archive for January, 2011

The LID and the LCD backlight

Saturday, January 22nd, 2011

So I noticed that what I close the lid on my laptop the backlight doesn’t switch off. This is pretty bad for obvious reasons, primarily that it’s a waste of power, and secondly that even though not much it does radiate some heat and in a confined space it does escalate (and not mention that it’s an easy way to save a few watts of power when running on battery and waiting for some task to finish). So something had to be done. (more…)

ACPI based battery state notifications

Sunday, January 16th, 2011

Right, so it’s Sunday evening and Quintin just made an entry about send-notify. This immediately made me think of non-root users and ACPI and how I had a script on my previous laptop that popped up notifications when battery state changed. And so inspiration set in and I decided it’s time to redo that hack and publish it. (more…)