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7641769055
regular users don't have write access to /sys/devices which is where the kernel endpoints are to control fan speed
48 lines
1.4 KiB
Nix
48 lines
1.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.hardware.fancontrol;
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configFile = pkgs.writeText "fancontrol.conf" cfg.config;
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in
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{
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options.hardware.fancontrol = {
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enable = mkEnableOption "software fan control (requires fancontrol.config)";
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config = mkOption {
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type = types.lines;
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description = "Required fancontrol configuration file content. See <citerefentry><refentrytitle>pwmconfig</refentrytitle><manvolnum>8</manvolnum></citerefentry> from the lm_sensors package.";
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example = ''
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# Configuration file generated by pwmconfig
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INTERVAL=10
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DEVPATH=hwmon3=devices/virtual/thermal/thermal_zone2 hwmon4=devices/platform/f71882fg.656
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DEVNAME=hwmon3=soc_dts1 hwmon4=f71869a
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FCTEMPS=hwmon4/device/pwm1=hwmon3/temp1_input
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FCFANS=hwmon4/device/pwm1=hwmon4/device/fan1_input
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MINTEMP=hwmon4/device/pwm1=35
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MAXTEMP=hwmon4/device/pwm1=65
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MINSTART=hwmon4/device/pwm1=150
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MINSTOP=hwmon4/device/pwm1=0
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'';
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};
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};
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config = mkIf cfg.enable {
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systemd.services.fancontrol = {
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documentation = [ "man:fancontrol(8)" ];
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description = "software fan control";
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wantedBy = [ "multi-user.target" ];
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after = [ "lm_sensors.service" ];
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serviceConfig = {
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ExecStart = "${pkgs.lm_sensors}/sbin/fancontrol ${configFile}";
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};
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};
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};
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meta.maintainers = [ maintainers.evils ];
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}
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