fancontrol: load config from configuration.nix

1 files changed, 23 insertions, 10 deletions

diff --git a/nixos/modules/services/hardware/fancontrol.nix b/nixos/modules/services/hardware/fancontrol.nix
index 30074f81aed..1689b670b49 100644
--- a/nixos/modules/services/hardware/fancontrol.nix
+++ b/nixos/modules/services/hardware/fancontrol.nix
@@ -4,30 +4,43 @@ with lib;
 
 let
   cfg = config.hardware.fancontrol;
+  configFile = pkgs.writeText "fan.conf" cfg.config;
 
 in {
 
   options.hardware.fancontrol = {
-    enable = mkEnableOption "fancontrol (requires a configuration file, see pwmconfig)";
-
-    configFile = mkOption {
-      type = types.str;
-      default = "/etc/fancontrol";
-      example = "/home/user/.config/fancontrol";
-      description = "Path to the configuration file, likely generated with pwmconfig.";
+    enable = mkEnableOption "fancontrol (requires fancontrol.config)";
+
+    config = mkOption {
+      type = types.lines;
+      default = /etc/fancontrol;
+      example = ''
+        # Configuration file generated by pwmconfig
+        INTERVAL=1
+        DEVPATH=hwmon0=devices/platform/nct6775.656 hwmon1=devices/pci0000:00/0000:00:18.3
+        DEVNAME=hwmon0=nct6779 hwmon1=k10temp
+        FCTEMPS=hwmon0/pwm2=hwmon1/temp1_input
+        FCFANS=hwmon0/pwm2=hwmon0/fan2_input
+        MINTEMP=hwmon0/pwm2=25
+        MAXTEMP=hwmon0/pwm2=60
+        MINSTART=hwmon0/pwm2=25
+        MINSTOP=hwmon0/pwm2=10
+        MINPWM=hwmon0/pwm2=0
+        MAXPWM=hwmon0/pwm2=255
+      '';
+      description = "Configuration likely generated with pwmconfig.";
     };
   };
 
+
   config = mkIf cfg.enable {
     systemd.services.fancontrol = {
       description = "Fan speed control from lm_sensors";
       wantedBy = [ "multi-user.target" ];
       serviceConfig = {
         Type = "simple";
-        ExecStart = "${pkgs.lm_sensors}/bin/fancontrol ${cfg.configFile}";
+        ExecStart = "${pkgs.lm_sensors}/bin/fancontrol ${configFile}";
       };
     };
   };
-
-
 }