From afc4834723e6d8690ff83b36dc80f9c5deb2e193 Mon Sep 17 00:00:00 2001
From: Luke Granger-Brown <hg@lukegb.com>
Date: Fri, 31 Dec 2021 23:52:40 +0000
Subject: [PATCH] porcorosso: enable TLP for battery saving in laptop mode

---
 ops/nixos/porcorosso/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/ops/nixos/porcorosso/default.nix b/ops/nixos/porcorosso/default.nix
index 20f795ae3f..2aa8a2e9d9 100644
--- a/ops/nixos/porcorosso/default.nix
+++ b/ops/nixos/porcorosso/default.nix
@@ -320,6 +320,14 @@ in {
     mandatoryFeatures = [ ];
   }];
 
+  services.tlp = {
+    enable = true;
+    settings = {
+      DISK_DEVICES = "nvme0n1 nvme1n1 nvme2n1";
+      DISK_IOSCHED = "mq-deadline mq-deadline mq-deadline";
+    };
+  };
+
   # This value determines the NixOS release with which your system is to be
   # compatible, in order to avoid breaking some software such as database
   # servers. You should change this only after NixOS release notes say you