From c1e24c6e15db1d61efa64a977057f931fe8e9c9b Mon Sep 17 00:00:00 2001
From: Alejandro Angulo <iam@alejandr0angul0.dev>
Date: Fri, 9 Jun 2023 18:05:29 -0700
Subject: [PATCH] Configured tlp for laptop

---
 modules/hardware/tlp/default.nix        | 29 +++++++++++++++++++++++++
 systems/x86_64-linux/carbon/default.nix |  1 +
 2 files changed, 30 insertions(+)
 create mode 100644 modules/hardware/tlp/default.nix

diff --git a/modules/hardware/tlp/default.nix b/modules/hardware/tlp/default.nix
new file mode 100644
index 0000000..f5b7b1b
--- /dev/null
+++ b/modules/hardware/tlp/default.nix
@@ -0,0 +1,29 @@
+{
+  options,
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+with lib; let
+  cfg = config.aa.hardware.tlp;
+in {
+  options.aa.hardware.tlp = with types; {
+    enable = mkEnableOption "tlp";
+  };
+
+  config = mkIf cfg.enable {
+    services.tlp = {
+      enable = true;
+      settings = {
+        START_CHARGE_THRESH_BAT0 = 75;
+        # Run `tlp setcharge` to temporarily allow charging to 100%
+        STOP_CHARGE_THRESH_BAT0 = 80;
+        RESTORE_THRESHOLDS_ON_BAT = 1;
+        CPU_SCALING_GOVERNOR_ON_AC = "performance";
+        CPU_SCALING_GOVERNOR_ON_BAT = "powersave";
+      };
+    };
+  };
+}
+
diff --git a/systems/x86_64-linux/carbon/default.nix b/systems/x86_64-linux/carbon/default.nix
index 7302a9d..f77b52c 100644
--- a/systems/x86_64-linux/carbon/default.nix
+++ b/systems/x86_64-linux/carbon/default.nix
@@ -21,6 +21,7 @@
     };
 
     hardware.audio.enable = true;
+    hardware.tlp.enable = true;
 
     system.zfs.enable = true;
     apps.yubikey.enable = true;