From 9bf57ae6e22caa4b911a425c710e5c83c5808096 Mon Sep 17 00:00:00 2001
From: coolneng <akasroua@gmail.com>
Date: Tue, 18 Oct 2022 14:55:03 +0200
Subject: [PATCH] Save more power via TLP

---
 modules/power.nix | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/modules/power.nix b/modules/power.nix
index 32ee8ab..e5092d4 100644
--- a/modules/power.nix
+++ b/modules/power.nix
@@ -5,7 +5,27 @@
   services.auto-cpufreq.enable = true;
 
   # Enable the TLP daemon
-  services.tlp.enable = true;
+  services.tlp = {
+    enable = true;
+    settings = {
+      # Enable audio power saving for Intel HDA, AC97 devices (timeout in secs).
+      # A value of 0 disables, >=1 enables power saving (recommended: 1).
+      # Default: 0 (AC), 1 (BAT)
+      SOUND_POWER_SAVE_ON_AC = 0;
+      SOUND_POWER_SAVE_ON_BAT = 1;
+
+      # Runtime Power Management for PCI(e) bus devices: on=disable, auto=enable.
+      # Default: on (AC), auto (BAT)
+      RUNTIME_PM_ON_AC = "on";
+      RUNTIME_PM_ON_BAT = "auto";
+
+      # Battery feature drivers: 0=disable, 1=enable
+      # Default: 1 (all)
+      NATACPI_ENABLE = 1;
+      TPACPI_ENABLE = 1;
+      TPSMAPI_ENABLE = 1;
+    };
+  };
 
   # Suspend when the battery is critical
   services.udev.extraRules = ''