From 444a1955d92218bc6544e7fd53c889caaeda29b2 Mon Sep 17 00:00:00 2001
From: Nolan Darilek <nolan@thewordnerd.info>
Date: Sun, 23 Feb 2025 11:20:30 -0600
Subject: [PATCH] Add laptop role and set up TLP.

---
 hosts/flynode/default.nix |  1 +
 roles/laptop.nix          | 12 ++++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 roles/laptop.nix

diff --git a/hosts/flynode/default.nix b/hosts/flynode/default.nix
index c4474a7..7ff9cda 100644
--- a/hosts/flynode/default.nix
+++ b/hosts/flynode/default.nix
@@ -5,6 +5,7 @@
 {
   imports = [
     ./hardware-configuration.nix
+    ../../roles/laptop.nix
     ../../roles/zfs.nix
     ../../base.nix
     ../../users/root.nix
diff --git a/roles/laptop.nix b/roles/laptop.nix
new file mode 100644
index 0000000..ca77dd6
--- /dev/null
+++ b/roles/laptop.nix
@@ -0,0 +1,12 @@
+{
+  services.tlp = {
+    enable = true;
+    settings = {
+      CPU_SCALING_GOVERNOR_ON_AC = "performance";
+      CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+      START_CHARGE_THRESH_BAT0 = 40; # 40 and below it starts to charge
+      STOP_CHARGE_THRESH_BAT0 = 80; # 80 and above it stops charging
+    };
+  };
+  powerManagement.enable = true;
+}