54 lines
1.5 KiB
Nix
54 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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# Enable the auto-cpufreq daemon
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services.auto-cpufreq.enable = true;
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# Enable the TLP daemon
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services.tlp = {
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enable = true;
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settings = {
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# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
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# A value of 0 disables, >=1 enables power saving (recommended: 1).
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# Default: 0 (AC), 1 (BAT)
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SOUND_POWER_SAVE_ON_AC = 0;
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SOUND_POWER_SAVE_ON_BAT = 1;
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# Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
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# Default: on (AC), auto (BAT)
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RUNTIME_PM_ON_AC = "on";
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RUNTIME_PM_ON_BAT = "auto";
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# Battery feature drivers: 0=disable, 1=enable
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# Default: 1 (all)
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NATACPI_ENABLE = 1;
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TPACPI_ENABLE = 1;
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TPSMAPI_ENABLE = 1;
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};
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};
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# Suspend when the battery is critical
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services.udev.extraRules = ''
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SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{model_name}=="01AV405", ATTR{capacity}=="[0-5]", RUN+="${config.systemd.package}/bin/systemctl suspend -i"
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'';
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# Enable thinkfan
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services.thinkfan = {
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enable = true;
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levels = [
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[ 0 0 47 ]
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[ 1 47 69 ]
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[ 2 69 74 ]
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[ 3 74 78 ]
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[ 4 78 82 ]
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[ 5 82 85 ]
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[ 6 85 87 ]
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[ 7 87 32767 ]
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];
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};
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# HACK Workaround to enable the service the first time
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systemd.services.thinkfan.preStart = ''
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/run/current-system/sw/bin/modprobe -r thinkpad_acpi && /run/current-system/sw/bin/modprobe thinkpad_acpi
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'';
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}
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