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-rw-r--r--etc/udev/rules.d/90-backlight.rules6
1 files changed, 6 insertions, 0 deletions
diff --git a/etc/udev/rules.d/90-backlight.rules b/etc/udev/rules.d/90-backlight.rules
new file mode 100644
index 00000000..bc2d268f
--- /dev/null
+++ b/etc/udev/rules.d/90-backlight.rules
@@ -0,0 +1,6 @@
+# https://github.com/haikarainen/light/blob/master/90-backlight.rules
+# https://github.com/Hummer12007/brightnessctl/blob/master/90-brightnessctl.rules
+# https://gitlab.com/wavexx/acpilight/-/blob/master/90-backlight.rules
+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"
+# vim: ft=udevrules