034da701a3
New `nomarchy.system.laptop.{enable,thermald}` options. `enable`
defaults to `formFactor == "laptop"`, so the installer's existing
formFactor write auto-flips the preset on without installer changes.
The module wires TLP (governors + 75/80 charge thresholds),
force-disables power-profiles-daemon (mutually exclusive with TLP),
enables upower and thermald (x86_64), adds the brightnessctl udev
rule so the existing brightness scripts work without root, and sets
a logind lid-switch policy that resolves to suspend-then-hibernate
when `hibernation.enable` is on, plain suspend otherwise.
Closes the "Form-factor → laptop preset auto-enable" Now item and
the "Laptop preset module" Next item from docs/ROADMAP.md in one
change.
43 lines
1.6 KiB
Nix
43 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.nomarchy.system.laptop;
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hib = config.nomarchy.system.hibernation;
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lidAction = if hib.enable then "suspend-then-hibernate" else "suspend";
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in
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{
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config = lib.mkIf cfg.enable {
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services.tlp = {
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enable = lib.mkDefault true;
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settings = {
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CPU_SCALING_GOVERNOR_ON_AC = lib.mkDefault "performance";
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CPU_SCALING_GOVERNOR_ON_BAT = lib.mkDefault "powersave";
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CPU_BOOST_ON_BAT = lib.mkDefault 0;
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PLATFORM_PROFILE_ON_AC = lib.mkDefault "balanced";
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PLATFORM_PROFILE_ON_BAT = lib.mkDefault "low-power";
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# Charge thresholds only honored on supported hardware (ThinkPad,
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# some ASUS); a harmless warning is logged elsewhere.
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START_CHARGE_THRESH_BAT0 = lib.mkDefault 75;
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STOP_CHARGE_THRESH_BAT0 = lib.mkDefault 80;
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};
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};
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# TLP and power-profiles-daemon both arbitrate CPU/EPP — NixOS asserts
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# mutual exclusion. Opt out of the preset entirely to use PPD instead.
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services.power-profiles-daemon.enable = lib.mkForce false;
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services.upower.enable = lib.mkDefault true;
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services.thermald.enable = lib.mkDefault cfg.thermald;
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# Backlight write access for the `video` group, so the existing
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# nomarchy-brightness-{display,keyboard} scripts run without root.
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services.udev.packages = [ pkgs.brightnessctl ];
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services.logind.settings.Login = {
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HandleLidSwitch = lib.mkDefault lidAction;
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HandleLidSwitchExternalPower = lib.mkDefault "suspend";
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HandleLidSwitchDocked = lib.mkDefault "ignore";
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};
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};
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}
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