2025-06-01 15:54:24 -04:00
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{ config, lib, pkgs, ... }:
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{
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services.udev = {
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extraRules = ''
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KERNEL=="uinput", MODE="0660", GROUP="uinput", OPTIONS+="static_node=uinput"
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DEVPATH=="/devices/virtual/misc/cpu_dma_latency", OWNER="root", GROUP="audio", MODE="0660"
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ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="ddcci*", RUN+="${pkgs.coreutils-full}/bin/chgrp video /sys/class/backlight/%k/brightness"
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ACTION=="add", SUBSYSTEM=="backlight", KERNEL=="ddcci*", RUN+="${pkgs.coreutils-full}/bin/chmod a+w /sys/class/backlight/%k/brightness"
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ACTION=="add", SUBSYSTEM=="i2c-dev", ATTR{name}=="AMDGPU DM*", TAG+="ddcci", TAG+="systemd", ENV{SYSTEMD_WANTS}+="ddcci@$kernel.service"
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ACTION=="add", SUBSYSTEM=="i2c-dev", ATTR{name}=="NVIDIA i2c adapter*", TAG+="ddcci", TAG+="systemd", ENV{SYSTEMD_WANTS}+="ddcci@$kernel.service"
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SUBSYSTEM=="i2c", ACTION=="add", ATTR{name}=="AMDGPU DM aux hw bus 3", RUN+="${pkgs.bash}/bin/bash -c 'sleep 30; printf ddcci\ 0x37 > /sys/bus/i2c/devices/i2c-17/new_device'"
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'';
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packages = [
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pkgs.via
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pkgs.vial
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pkgs.ddcutil
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pkgs.game-devices-udev-rules
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2025-06-20 18:42:46 -04:00
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# pkgs.sane-airscan
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2025-06-01 15:54:24 -04:00
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pkgs.utsushi
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pkgs.openrgb-with-all-plugins
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pkgs.gnome-settings-daemon
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pkgs.gnome-keyring
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(pkgs.writeTextFile {
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name = "on-battery";
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text = ''
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# Rule for when switching to battery
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SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="0", RUN+="${pkgs.power-profiles-daemon}/bin/powerprofilesctl set balanced"
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'';
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destination = "/etc/udev/rules.d/60-onbattery.rules";
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})
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(pkgs.writeTextFile {
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name = "on-power";
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text = ''
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# Rule for when switching to ac
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SUBSYSTEM=="power_supply", ENV{POWER_SUPPLY_ONLINE}=="1", RUN+="${pkgs.power-profiles-daemon}/bin/powerprofilesctl set performance"
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'';
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destination = "/etc/udev/rules.d/61-onpower.rules";
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})
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(pkgs.writeTextFile {
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name = "hibernate-low-battery";
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text = ''
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# Suspend the system when battery level drops to 5% or lower
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SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{capacity}=="[0-5]", RUN+="${pkgs.systemd}/bin/systemctl hibernate"
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'';
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destination = "/etc/udev/rules.d/99-hibernate-low-battery.rules";
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})
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(pkgs.writeTextFile {
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name = "on-battery-power-saver";
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text = ''
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# Switch to power-saver when battery below 50%
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SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{capacity}=="[0-5][0-9]", RUN+="${pkgs.power-profiles-daemon}/bin/powerprofilesctl set power-saver"
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'';
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destination = "/etc/udev/rules.d/62-power-save-battery.rules";
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})
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];
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};
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}
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