From 324e4b68d5565e7fdcbfa3626eb07d32d15f655a Mon Sep 17 00:00:00 2001
From: Alan Pearce
Date: Tue, 17 Mar 2020 16:22:58 +0100
Subject: thinkpad: enable fan control

---
 system/settings/hardware/thinkpad.nix |  7 +++++++
 system/settings/machines/t470s.nix    | 19 +++++++++++++++++++
 2 files changed, 26 insertions(+)

diff --git a/system/settings/hardware/thinkpad.nix b/system/settings/hardware/thinkpad.nix
index e4ddb829..4f4e6b8c 100644
--- a/system/settings/hardware/thinkpad.nix
+++ b/system/settings/hardware/thinkpad.nix
@@ -2,11 +2,18 @@
 
 { boot.kernelModules = [ ];
   boot.blacklistedKernelModules = [ "thinkpad_ec" ];
+  boot.extraModulePackages = with config.boot.kernelPackages; [
+    acpi_call
+  ];
 
   services.fwupd = {
     enable = true;
   };
 
+  services.thinkfan = {
+    enable = true;
+  };
+
   imports = [
     ./bare-metal.nix
     ./laptop.nix
diff --git a/system/settings/machines/t470s.nix b/system/settings/machines/t470s.nix
index 34fdd048..7790ce28 100644
--- a/system/settings/machines/t470s.nix
+++ b/system/settings/machines/t470s.nix
@@ -5,6 +5,25 @@
 
   hardware.enableRedistributableFirmware = true;
 
+  boot.extraModprobeConfig = ''
+    options thinkpad_acpi fan_control=1
+  '';
+
+  services.thinkfan.sensors = ''
+    hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input
+    hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp1_input
+    hwmon /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp2_input
+  '';
+  services.thinkfan.levels = ''
+    (0,     0,      48)
+    (1,     45,     52)
+    (2,     50,     57)
+    (3,     55,     63)
+    (6,     60,     65)
+    (7,     60,     85)
+    (127,   80,     32767)
+  '';
+
   boot.postBootCommands = ''
     echo bfq > /sys/block/nvme0n1/queue/scheduler
   '';
-- 
cgit 1.4.1