38 lines
1.3 KiB
Nix
38 lines
1.3 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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p = pkgs.writeScriptBin "charge-upto" ''
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echo ''${0:-100} > /sys/class/power_supply/BAT?/charge_control_end_threshold
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'';
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cfg = config.hardware.asus.battery;
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in
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{
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options.hardware.asus.battery = {
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chargeUpto = lib.mkOption {
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description = "Maximum level of charge for your battery, as a percentage.";
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default = 100;
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type = lib.types.int;
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};
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enableChargeUptoScript = lib.mkOption {
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description = "Whether to add charge-upto to environment.systemPackages. `charge-upto 75` temporarily sets the charge limit to 75%.";
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default = true;
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type = lib.types.bool;
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};
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};
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config = {
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environment.systemPackages = lib.mkIf cfg.enableChargeUptoScript [ p ];
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systemd.services.battery-charge-threshold = {
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wantedBy = [ "local-fs.target" "suspend.target" ];
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after = [ "local-fs.target" "suspend.target" ];
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description = "Set the battery charge threshold to ${toString cfg.chargeUpto}%";
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startLimitBurst = 5;
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startLimitIntervalSec = 1;
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serviceConfig = {
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Type = "oneshot";
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Restart = "on-failure";
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ExecStart = "${pkgs.runtimeShell} -c 'echo ${toString cfg.chargeUpto} > /sys/class/power_supply/BAT?/charge_control_end_threshold'";
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};
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};
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};
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}
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