33 lines
888 B
Nix
33 lines
888 B
Nix
{
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config,
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lib,
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pkgs,
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...
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}:
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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 = "${pkgs.coreutils}/bin/chgrp";
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chmod = "${pkgs.coreutils}/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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users.groups =
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let
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members = builtins.attrNames (
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lib.attrsets.filterAttrs (_: config: config.isNormalUser) config.users.users
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);
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in
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{
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video.members = members;
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input.members = members;
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};
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}
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