diff --git a/files/udev/90-backlight.rules b/files/udev/90-backlight.rules
new file mode 100644
index 0000000..59ed1f1
--- /dev/null
+++ b/files/udev/90-backlight.rules
@@ -0,0 +1,4 @@
+ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
+ACTION=="add", SUBSYSTEM=="backlight", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
+ACTION=="add", SUBSYSTEM=="leds", RUN+="/bin/chgrp video /sys/class/leds/%k/brightness"
+ACTION=="add", SUBSYSTEM=="leds", RUN+="/bin/chmod g+w /sys/class/leds/%k/brightness"