+"sudo /home/siraaj/bin/backlight_adjust -1"
+ shift + XF86MonBrightnessDown
+
+# Workaround: XF86MonBrightness(Up|Down) keys stopped working on Librem 15v4 :(
+"sudo /home/siraaj/bin/backlight_adjust +5"
+ shift+XF86AudioRaiseVolume
+"sudo /home/siraaj/bin/backlight_adjust -5"
+ shift+XF86AudioLowerVolume