From e014ab39fbca4bbe4f16a65ebf307593627df76a Mon Sep 17 00:00:00 2001
From: coolneng <akasroua@gmail.com>
Date: Sat, 3 Dec 2022 18:50:36 +0100
Subject: [PATCH] Revert "Replace TLP with auto-cpufreq"

This reverts commit cf92337f0b3a7b574886dafb96cefcf6ac1aa3c1.
---
 modules/power.nix | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/modules/power.nix b/modules/power.nix
index bda753e..fd5b3f5 100644
--- a/modules/power.nix
+++ b/modules/power.nix
@@ -1,8 +1,38 @@
 { config, lib, pkgs, ... }:
 
 {
-  # Enable the auto-cpufreq daemon
-  services.auto-cpufreq.enable = true;
+  # Enable the TLP daemon
+  services.tlp = {
+    enable = true;
+    settings = {
+      # Use the new CPU frequency scaling governor
+      CPU_SCALING_GOVERNOR_ON_AC = "schedutil";
+      CPU_SCALING_GOVERNOR_ON_BAT = "schedutil";
+
+      # Adjust CPU frequencies accordingly to the power state
+      CPU_SCALING_MIN_FREQ_ON_AC = 800000;
+      CPU_SCALING_MAX_FREQ_ON_AC = 3000000;
+      CPU_SCALING_MIN_FREQ_ON_BAT = 800000;
+      CPU_SCALING_MAX_FREQ_ON_BAT = 2300000;
+
+      # 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;
+    };
+  };
 
   # Enable the TLP daemon
   services.tlp = {