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nixpkgs/nixos/modules/services/hardware/fancontrol.nix
Silvan Mosberger 4f0dadbf38 treewide: format all inactive Nix files
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.

Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.

A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.

This commit was automatically created and can be verified using

    nix-build a08b3a4d19.tar.gz \
      --argstr baseRev b32a094368
    result/bin/apply-formatting $NIXPKGS_PATH
2024-12-10 20:26:33 +01:00

57 lines
1.7 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
cfg = config.hardware.fancontrol;
configFile = pkgs.writeText "fancontrol.conf" cfg.config;
in
{
options.hardware.fancontrol = {
enable = lib.mkEnableOption "software fan control (requires fancontrol.config)";
config = lib.mkOption {
type = lib.types.lines;
description = "Required fancontrol configuration file content. See {manpage}`pwmconfig(8)` from the lm_sensors package.";
example = ''
# Configuration file generated by pwmconfig
INTERVAL=10
DEVPATH=hwmon3=devices/virtual/thermal/thermal_zone2 hwmon4=devices/platform/f71882fg.656
DEVNAME=hwmon3=soc_dts1 hwmon4=f71869a
FCTEMPS=hwmon4/device/pwm1=hwmon3/temp1_input
FCFANS=hwmon4/device/pwm1=hwmon4/device/fan1_input
MINTEMP=hwmon4/device/pwm1=35
MAXTEMP=hwmon4/device/pwm1=65
MINSTART=hwmon4/device/pwm1=150
MINSTOP=hwmon4/device/pwm1=0
'';
};
};
config = lib.mkIf cfg.enable {
systemd.services.fancontrol = {
documentation = [ "man:fancontrol(8)" ];
description = "software fan control";
wantedBy = [ "multi-user.target" ];
after = [ "lm_sensors.service" ];
serviceConfig = {
Restart = "on-failure";
ExecStart = "${pkgs.lm_sensors}/sbin/fancontrol ${configFile}";
};
};
# On some systems, the fancontrol service does not resume properly after sleep because the pwm status of the fans
# is not reset properly. Restarting the service fixes this, in accordance with https://github.com/lm-sensors/lm-sensors/issues/172.
powerManagement.resumeCommands = ''
systemctl restart fancontrol.service
'';
};
meta.maintainers = [ lib.maintainers.evils ];
}