68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
{ config, lib, pkgs, ... }:
|
|
|
|
{
|
|
# Enable the TLP daemon
|
|
services.tlp = {
|
|
enable = true;
|
|
settings = {
|
|
# Use the new CPU frequency scaling governor
|
|
CPU_SCALING_GOVERNOR_ON_AC = "schedutil";
|
|
CPU_SCALING_GOVERNOR_ON_BAT = "schedutil";
|
|
|
|
# Adjust CPU frequencies accordingly to the power state
|
|
CPU_SCALING_MIN_FREQ_ON_AC = 800000;
|
|
CPU_SCALING_MAX_FREQ_ON_AC = 3000000;
|
|
CPU_SCALING_MIN_FREQ_ON_BAT = 800000;
|
|
CPU_SCALING_MAX_FREQ_ON_BAT = 2300000;
|
|
|
|
# Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
|
|
# A value of 0 disables, >=1 enables power saving (recommended: 1).
|
|
# Default: 0 (AC), 1 (BAT)
|
|
SOUND_POWER_SAVE_ON_AC = 0;
|
|
SOUND_POWER_SAVE_ON_BAT = 1;
|
|
|
|
# Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
|
|
# Default: on (AC), auto (BAT)
|
|
RUNTIME_PM_ON_AC = "on";
|
|
RUNTIME_PM_ON_BAT = "auto";
|
|
|
|
# Battery feature drivers: 0=disable, 1=enable
|
|
# Default: 1 (all)
|
|
NATACPI_ENABLE = 1;
|
|
TPACPI_ENABLE = 1;
|
|
TPSMAPI_ENABLE = 1;
|
|
};
|
|
};
|
|
|
|
# Suspend when the battery is critical
|
|
services.udev.extraRules = ''
|
|
SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{model_name}=="01AV405", ATTR{capacity}=="[0-5]", RUN+="${config.systemd.package}/bin/systemctl suspend -i"
|
|
'';
|
|
|
|
# Enable thinkfan
|
|
services.thinkfan = {
|
|
enable = true;
|
|
levels = [
|
|
[ 0 0 47 ]
|
|
[ 1 47 69 ]
|
|
[ 2 69 74 ]
|
|
[ 3 74 78 ]
|
|
[ 4 78 82 ]
|
|
[ 5 82 85 ]
|
|
[ 6 85 87 ]
|
|
[ 7 87 32767 ]
|
|
];
|
|
};
|
|
# HACK Workaround to enable the service the first time
|
|
systemd.services.thinkfan.preStart = ''
|
|
/run/current-system/sw/bin/modprobe -r thinkpad_acpi && /run/current-system/sw/bin/modprobe thinkpad_acpi
|
|
'';
|
|
|
|
# Undervolt CPU and GPU
|
|
services.undervolt = {
|
|
enable = true;
|
|
coreOffset = -100;
|
|
gpuOffset = -75;
|
|
};
|
|
}
|