From 7c01b2fc0271603809b67c7d3015f4b7b3d9a96e Mon Sep 17 00:00:00 2001
From: Yuri D'Elia <wavexx@thregr.org>
Date: Mon, 31 Oct 2016 14:01:40 +0100
Subject: [PATCH] Provide the udev rules file.

---
 90-backlight.rules | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 90-backlight.rules

diff --git a/90-backlight.rules b/90-backlight.rules
new file mode 100644
index 0000000..744c9bf
--- /dev/null
+++ b/90-backlight.rules
@@ -0,0 +1,3 @@
+# Allow video group to control backlight
+SUBSYSTEM=="backlight", ACTION=="add", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
+SUBSYSTEM=="backlight", ACTION=="add", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"