18 lines
639 B
Nix
18 lines
639 B
Nix
{ pkgs, ... }:
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{
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environment.systemPackages = with pkgs; [ brightnessctl ];
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services.udev.extraRules =
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let
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chgrp = "${pkgs.coreutils-full}/bin/chgrp";
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chmod = "${pkgs.coreutils-full}/bin/chmod";
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in
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''
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ACTION=="add", SUBSYSTEM=="backlight", RUN+="${chgrp} video /sys/class/backlight/%k/brightness"
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ACTION=="add", SUBSYSTEM=="backlight", RUN+="${chmod} g+w /sys/class/backlight/%k/brightness"
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ACTION=="add", SUBSYSTEM=="leds", RUN+="${chgrp} input /sys/class/leds/%k/brightness"
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ACTION=="add", SUBSYSTEM=="leds", RUN+="${chmod} g+w /sys/class/leds/%k/brightness"
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'';
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}
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