57 lines
1.7 KiB
Nix
57 lines
1.7 KiB
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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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 = lib.mkEnableOption "software fan control (requires fancontrol.config)";
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config = lib.mkOption {
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type = lib.types.lines;
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description = "Required fancontrol configuration file content. See {manpage}`pwmconfig(8)` 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 = lib.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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Restart = "on-failure";
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ExecStart = "${pkgs.lm_sensors}/sbin/fancontrol ${configFile}";
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};
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};
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# On some systems, the fancontrol service does not resume properly after sleep because the pwm status of the fans
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# is not reset properly. Restarting the service fixes this, in accordance with https://github.com/lm-sensors/lm-sensors/issues/172.
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powerManagement.resumeCommands = ''
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systemctl restart fancontrol.service
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'';
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};
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meta.maintainers = [ lib.maintainers.evils ];
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}
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