From 259969f2b6353d58a5e28e365d80f03a24d93d20 Mon Sep 17 00:00:00 2001
From: Simon Bruder <simon@sbruder.de>
Date: Mon, 11 Oct 2021 17:48:40 +0200
Subject: [PATCH] mayushii/tlp: Set conservative charge thresholds

My usage pattern (mostly docked) otherwise leads to the battery
accumulating one or more charge cycles every day which quickly
deteriorates it.
---
 machines/mayushii/hardware-configuration.nix | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/machines/mayushii/hardware-configuration.nix b/machines/mayushii/hardware-configuration.nix
index 2626a8b..12f088a 100644
--- a/machines/mayushii/hardware-configuration.nix
+++ b/machines/mayushii/hardware-configuration.nix
@@ -41,7 +41,13 @@
   powerManagement = {
     cpuFreqGovernor = "schedutil";
   };
-  services.tlp.enable = true;
+  services.tlp = {
+    enable = true;
+    settings = {
+      START_CHARGE_THRESH_BAT0 = 75;
+      STOP_CHARGE_THRESH_BAT0 = 92;
+    };
+  };
 
   # Most of the time I want to use both screens at the same time and suspend it
   # regularily by closing the lid