Files
nixos/hostsModules/laptop/nixos/battery.nix
T
2026-04-28 14:55:25 +02:00

54 lines
2.2 KiB
Nix

# https://discourse.nixos.org/t/what-is-the-best-option-for-power-management/63406/2
{
lib,
config,
...}:
# we just activate tlp unconditonally
#let
# cfg = config.custom;
#hasBattery =
# lib.any (x: lib.strings.hasPrefix "BAT" x)
# (builtins.attrNames (builtins.readDir "/sys/class/power_supply"));
#in
{
# options.custom = {
# battery.enable = lib.mkOption {
# default = hasBattery;
# description = "Enable better battery support";
# type = lib.types.bool;
# };
# };
# config = lib.mkIf cfg.battery.enable {
powerManagement.powertop.enable = true; # enable powertop auto tuning on startup.
# Acording to https://community.frame.work/t/solved-keys-stick-and-repeat-after-being-released/51153/12
# Some powertop bug is responsable for the problem of the random keypress being stuck
# fix: from https://git.gabbie.blue/blue/nixconf/src/commit/2d1bc6dad4684c019b6b3e894408e76e2734806c/hosts/gabbielaptop/configuration.nix#L68
powerManagement.powertop.postStart = ''
${lib.getExe' config.systemd.package "udevadm"} trigger -c bind -s usb -a idVendor=32ac -a idProduct=0018
# Retrigger macropad udev rules
${lib.getExe' config.systemd.package "udevadm"} trigger -c bind -s usb -a idVendor=32ac -a idProduct=0013
'';
services.system76-scheduler.settings.cfsProfiles.enable = true; # Better scheduling for CPU cycles - thanks System76!!!
services.thermald.enable = true; # Enable thermald, the temperature management daemon. (only necessary if on Intel CPUs)
services.power-profiles-daemon.enable = false; # Disable GNOMEs power management
services.tlp = {
enable = true; # Enable TLP (better than gnomes internal power manager)
settings = {
CPU_BOOST_ON_AC = 1;
CPU_BOOST_ON_BAT = 1;
CPU_HWP_DYN_BOOST_ON_AC = 1;
CPU_HWP_DYN_BOOST_ON_BAT = 1;
CPU_SCALING_GOVERNOR_ON_AC = "performance";
CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
CPU_ENERGY_PERF_POLICY_ON_AC = "performance";
CPU_ENERGY_PERF_POLICY_ON_BAT = "balance_power";
PLATFORM_PROFILE_ON_AC = "performance";
PLATFORM_PROFILE_ON_BAT = "balanced";
START_CHARGE_THRESH_BAT1 = 75;
STOP_CHARGE_THRESH_BAT1 = 85;
};
};
# };
}