panacea/modules/power.nix

65 lines
1.7 KiB
Nix

{ config, lib, pkgs, ... }:
{
# Enable the TLP daemon
services.tlp = {
enable = true;
settings = {
CPU_MIN_PERF_ON_AC = 0;
CPU_MAX_PERF_ON_AC = 100;
CPU_MIN_PERF_ON_BAT = 0;
CPU_MAX_PERF_ON_BAT = 50;
};
};
# Suspend when the battery is critical and autosuspend USB and PCI
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"
ACTION=="add", SUBSYSTEM=="usb", TEST=="power/control", ATTR{power/control}="auto"
ACTION=="add", SUBSYSTEM=="pci", TEST=="power/control", ATTR{power/control}="auto"
'';
# Undervolt CPU and GPU
services.undervolt = {
enable = true;
coreOffset = -100;
gpuOffset = -75;
};
# Prevent overheating of the CPU
services.thermald.enable = true;
# Provide power management support to programs
services.upower.enable = true;
# HACK Enable internal microphone when headphones are plugged in and add workaround for frequent WiFi disconnects
hardware.firmware = [
(pkgs.writeTextDir "/lib/firmware/hda-jack-retask.fw" ''
[codec]
0x10ec0293 0x17aa2233 0
[pincfg]
0x12 0x90a60130
0x13 0x40000000
0x14 0x90170110
0x15 0x03211040
0x16 0x21211010
0x18 0x411111f0
0x19 0x21a11010
0x1a 0x40f000f0
0x1b 0x411111f0
0x1d 0x40738105
0x1e 0x411111f0
'')
];
# Power saving features for multiple devices
boot.extraModprobeConfig = ''
options snd-hda-intel patch=hda-jack-retask.fw power_save=1
options mac80211 beacon_loss_count=500
options iwlwifi power_save=1 uapsd_disable=0
options iwlmvm power_scheme=3
'';
}