Acer Aspire Timeline 4810T laptop and Backlight Control

$ lspci
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)

This is just a workaround at the moment so the Backlight can be manually be adjusted with xbacklight

Installing xbacklight

# apt-get install xbacklight

Now we need to set BACKLIGHT_CONTROL

$ xrandr –output LVDS –set BACKLIGHT_CONTROL native

Now we can adjust backlight like this for example

$ xbacklight -set 100

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