xbacklight works -- how to wire it up to Fn+F4 and F5?
xbacklight is a wonderful program and it works, but I want to wire it up to Fn+F4 and Fn+F5. I tried xev to see if pressing those keys generated an event, and for some reason they don't. I even tried loading the wmi and dell_wmi [Dell laptop] kernel modules and restarting Xorg and no change in xev.
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