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Sy3Omda/fix_brightness.sh

Created August 17, 2022 16:40
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fixing brightness control which is permission denied in awesome wm
Raw
fix_brightness.sh
#!/usr/bin/env bash
sudo tee /etc/udev/rules.d/backlight.rules << EOF > /dev/null
#ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="<vendor>", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
#ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="<vendor>", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
#my vendor intel_backlight
ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="intel_backlight", RUN+="/bin/chgrp video /sys/class/backlight/%k/brightness"
ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="intel_backlight", RUN+="/bin/chmod g+w /sys/class/backlight/%k/brightness"
EOF
usermod -aG video $USER
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