panacea/modules/power.nix

46 lines
1.3 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;
# Disable bluetooth on startup
DEVICES_TO_DISABLE_ON_STARTUP = "bluetooth";
};
};
# Suspend to RAM/disk when battery is critical
services.upower = {
enable = true;
percentageAction = 5;
};
}