diff --git a/lenovo/thinkpad/t440p/default.nix b/lenovo/thinkpad/t440p/default.nix
index 53a93c2..144b7d0 100644
--- a/lenovo/thinkpad/t440p/default.nix
+++ b/lenovo/thinkpad/t440p/default.nix
@@ -7,8 +7,9 @@
   ];
 
   boot = {
-    extraModprobeConfig = lib.mkDefault ''
+    extraModprobeConfig = ''
       options bbswitch use_acpi_to_detect_card_state=1
+      options thinkpad_acpi force_load=1 fan_control=1
     '';
     # TODO: probably enable tcsd? Is this line necessary?
     kernelModules = [ "tpm-rng" ];
diff --git a/microsoft/surface/common/kernel/default.nix b/microsoft/surface/common/kernel/default.nix
index af2a2ba..f8044d3 100644
--- a/microsoft/surface/common/kernel/default.nix
+++ b/microsoft/surface/common/kernel/default.nix
@@ -7,6 +7,7 @@ in {
   imports = [
     ./linux-5.19.17
     ./linux-6.0.17
+    ./linux-6.1.6
   ];
 
   options.microsoft-surface.kernelVersion = mkOption {
diff --git a/microsoft/surface/common/kernel/linux-6.0.17/patches.nix b/microsoft/surface/common/kernel/linux-6.0.17/patches.nix
index 7b0d096..f0ba2c9 100644
--- a/microsoft/surface/common/kernel/linux-6.0.17/patches.nix
+++ b/microsoft/surface/common/kernel/linux-6.0.17/patches.nix
@@ -11,28 +11,28 @@
       #
       # Surface Aggregator Module
       #
-      CONFIG_SURFACE_AGGREGATOR = module;
-      CONFIG_SURFACE_AGGREGATOR_ERROR_INJECTION = no;
-      CONFIG_SURFACE_AGGREGATOR_BUS = yes;
-      CONFIG_SURFACE_AGGREGATOR_CDEV = module;
-      CONFIG_SURFACE_AGGREGATOR_HUB = module;
-      CONFIG_SURFACE_AGGREGATOR_REGISTRY = module;
-      CONFIG_SURFACE_AGGREGATOR_TABLET_SWITCH = module;
+      SURFACE_AGGREGATOR = module;
+      SURFACE_AGGREGATOR_ERROR_INJECTION = no;
+      SURFACE_AGGREGATOR_BUS = yes;
+      SURFACE_AGGREGATOR_CDEV = module;
+      SURFACE_AGGREGATOR_HUB = module;
+      SURFACE_AGGREGATOR_REGISTRY = module;
+      SURFACE_AGGREGATOR_TABLET_SWITCH = module;
 
-      CONFIG_SURFACE_ACPI_NOTIFY = module;
-      CONFIG_SURFACE_DTX = module;
-      CONFIG_SURFACE_PLATFORM_PROFILE = module;
+      SURFACE_ACPI_NOTIFY = module;
+      SURFACE_DTX = module;
+      SURFACE_PLATFORM_PROFILE = module;
 
-      CONFIG_SURFACE_HID = module;
-      CONFIG_SURFACE_KBD = module;
+      SURFACE_HID = module;
+      SURFACE_KBD = module;
 
-      CONFIG_BATTERY_SURFACE = module;
-      CONFIG_CHARGER_SURFACE = module;
+      BATTERY_SURFACE = module;
+      CHARGER_SURFACE = module;
 
       #
       # Surface Hotplug
       #
-      CONFIG_SURFACE_HOTPLUG = module;
+      SURFACE_HOTPLUG = module;
 
       #
       # IPTS touchscreen
@@ -40,39 +40,39 @@
       # This only enables the user interface for IPTS data.
       # For the touchscreen to work, you need to install iptsd.
       #
-      CONFIG_MISC_IPTS = module;
+      MISC_IPTS = module;
 
       #
       # Cameras: IPU3
       #
-      CONFIG_VIDEO_DW9719 = module;
-      CONFIG_VIDEO_IPU3_IMGU = module;
-      CONFIG_VIDEO_IPU3_CIO2 = module;
-      CONFIG_CIO2_BRIDGE = yes;
-      CONFIG_INTEL_SKL_INT3472 = module;
-      CONFIG_REGULATOR_TPS68470 = module;
-      CONFIG_COMMON_CLK_TPS68470 = module;
+      VIDEO_DW9719 = module;
+      VIDEO_IPU3_IMGU = module;
+      VIDEO_IPU3_CIO2 = module;
+      CIO2_BRIDGE = yes;
+      INTEL_SKL_INT3472 = module;
+      REGULATOR_TPS68470 = module;
+      COMMON_CLK_TPS68470 = module;
 
       #
       # Cameras: Sensor drivers
       #
-      CONFIG_VIDEO_OV5693 = module;
-      CONFIG_VIDEO_OV7251 = module;
-      CONFIG_VIDEO_OV8865 = module;
+      VIDEO_OV5693 = module;
+      VIDEO_OV7251 = module;
+      VIDEO_OV8865 = module;
 
       #
       # ALS Sensor for Surface Book 3, Surface Laptop 3, Surface Pro 7
       #
-      CONFIG_APDS9960 = module;
+      APDS9960 = module;
 
       #
       # Other Drivers
       #
-      CONFIG_INPUT_SOC_BUTTON_ARRAY = module;
-      CONFIG_SURFACE_3_POWER_OPREGION = module;
-      CONFIG_SURFACE_PRO3_BUTTON = module;
-      CONFIG_SURFACE_GPE = module;
-      CONFIG_SURFACE_BOOK1_DGPU_SWITCH = module;
+      INPUT_SOC_BUTTON_ARRAY = module;
+      SURFACE_3_POWER_OPREGION = module;
+      SURFACE_PRO3_BUTTON = module;
+      SURFACE_GPE = module;
+      SURFACE_BOOK1_DGPU_SWITCH = module;
     };
   }
   {
diff --git a/microsoft/surface/common/kernel/linux-6.1.6/default.nix b/microsoft/surface/common/kernel/linux-6.1.6/default.nix
new file mode 100644
index 0000000..86c17a9
--- /dev/null
+++ b/microsoft/surface/common/kernel/linux-6.1.6/default.nix
@@ -0,0 +1,38 @@
+{ config, lib, pkgs, ... }:
+
+let
+  inherit (lib) mkIf mkOption types;
+  inherit (pkgs) fetchurl;
+
+  inherit (pkgs.callPackage ../linux-package.nix { }) linuxPackage repos;
+
+  cfg = config.microsoft-surface;
+
+  version = "6.1.6";
+  extraMeta.branch = "6.1";
+  patchDir = repos.linux-surface + "/patches/${extraMeta.branch}";
+  kernelPatches = pkgs.callPackage ./patches.nix {
+    inherit (lib) kernel;
+    inherit version patchDir;
+  };
+
+  kernelPackages = linuxPackage {
+    inherit version extraMeta kernelPatches;
+    src = fetchurl {
+      url = "mirror://kernel/linux/kernel/v6.x/linux-${version}.tar.xz";
+      sha256 = "sha256-Pk2OVh2lcDogWujXsr7WxcZPxCme68v9IEgeY7V9XuM=";
+    };
+  };
+
+
+in {
+  options.microsoft-surface.kernelVersion = mkOption {
+    type = types.enum [ "6.1.6" ];
+  };
+
+  config = mkIf (cfg.kernelVersion == "6.1.6") {
+    boot = {
+      inherit kernelPackages;
+    };
+  };
+}
diff --git a/microsoft/surface/common/kernel/linux-6.1.6/patches.nix b/microsoft/surface/common/kernel/linux-6.1.6/patches.nix
new file mode 100644
index 0000000..7b3cfdc
--- /dev/null
+++ b/microsoft/surface/common/kernel/linux-6.1.6/patches.nix
@@ -0,0 +1,124 @@
+{ kernel,
+  patchDir,
+  version,
+}:
+
+[
+  {
+    name = "microsoft-surface-patches-linux-${version}";
+    patch = null;
+    structuredExtraConfig = with kernel; {
+      STREAMING_MEDIA = yes;
+
+      #
+      # Surface Aggregator Module
+      #
+      SURFACE_AGGREGATOR = module;
+      SURFACE_AGGREGATOR_ERROR_INJECTION = no;
+      SURFACE_AGGREGATOR_BUS = yes;
+      SURFACE_AGGREGATOR_CDEV = module;
+      SURFACE_AGGREGATOR_HUB = module;
+      SURFACE_AGGREGATOR_REGISTRY = module;
+      SURFACE_AGGREGATOR_TABLET_SWITCH = module;
+
+      SURFACE_ACPI_NOTIFY = module;
+      SURFACE_DTX = module;
+      SURFACE_PLATFORM_PROFILE = module;
+
+      SURFACE_HID = module;
+      SURFACE_KBD = module;
+
+      BATTERY_SURFACE = module;
+      CHARGER_SURFACE = module;
+
+      #
+      # Surface Hotplug
+      #
+      SURFACE_HOTPLUG = module;
+
+      #
+      # IPTS touchscreen
+      #
+      # This only enables the user interface for IPTS data.
+      # For the touchscreen to work, you need to install iptsd.
+      #
+      MISC_IPTS = module;
+
+      #
+      # Cameras: IPU3
+      #
+      VIDEO_DW9719 = module;
+      VIDEO_IPU3_IMGU = module;
+      VIDEO_IPU3_CIO2 = module;
+      CIO2_BRIDGE = yes;
+      INTEL_SKL_INT3472 = module;
+      REGULATOR_TPS68470 = module;
+      COMMON_CLK_TPS68470 = module;
+
+      #
+      # Cameras: Sensor drivers
+      #
+      VIDEO_OV5693 = module;
+      VIDEO_OV7251 = module;
+      VIDEO_OV8865 = module;
+
+      #
+      # ALS Sensor for Surface Book 3, Surface Laptop 3, Surface Pro 7
+      #
+      APDS9960 = module;
+
+      #
+      # Other Drivers
+      #
+      INPUT_SOC_BUTTON_ARRAY = module;
+      SURFACE_3_POWER_OPREGION = module;
+      SURFACE_PRO3_BUTTON = module;
+      SURFACE_GPE = module;
+      SURFACE_BOOK1_DGPU_SWITCH = module;
+    };
+  }
+  {
+    name = "ms-surface/0001-surface3-oemb";
+    patch = patchDir + "/0001-surface3-oemb.patch";
+  }
+  {
+    name = "ms-surface/0002-mwifiex";
+    patch = patchDir + "/0002-mwifiex.patch";
+  }
+  {
+    name = "ms-surface/0003-ath10k";
+    patch = patchDir + "/0003-ath10k.patch";
+  }
+  {
+    name = "ms-surface/0004-ipts";
+    patch = patchDir + "/0004-ipts.patch";
+  }
+  {
+    name = "ms-surface/0005-surface-sam";
+    patch = patchDir + "/0005-surface-sam.patch";
+  }
+  {
+    name = "ms-surface/0006-surface-sam-over-hid";
+    patch = patchDir + "/0006-surface-sam-over-hid.patch";
+  }
+  {
+    name = "ms-surface/0007-surface-button";
+    patch = patchDir + "/0007-surface-button.patch";
+  }
+  {
+    name = "ms-surface/0008-surface-typecover";
+    patch = patchDir + "/0008-surface-typecover.patch";
+  }
+  {
+    name = "ms-surface/0009-cameras";
+    patch = patchDir + "/0009-cameras.patch";
+  }
+  {
+    name = "ms-surface/0010-amd-gpio";
+    patch = patchDir + "/0010-amd-gpio.patch";
+  }
+  {
+    name = "ms-surface/0011-rtc";
+    patch = patchDir + "/0011-rtc.patch";
+  }
+]
diff --git a/microsoft/surface/common/repos.nix b/microsoft/surface/common/repos.nix
index eb9e5fa..f10ad9a 100644
--- a/microsoft/surface/common/repos.nix
+++ b/microsoft/surface/common/repos.nix
@@ -4,8 +4,8 @@
   linux-surface = fetchFromGitHub {
     owner = "linux-surface";
     repo = "linux-surface";
-    rev = "487e64047ca047dde9a062909a87410e7bb86845";
-    sha256 = "sha256-HTIuRBZk0prhUPd2KnsXGo+ZyBsMwERN7P8WJH1RG3M=";
+    rev = "91240ac43dfdfb3e68bbc604def84685a218fab9";
+    sha256 = "sha256-Jf7tthFWj67Esjx+/ZwG7BYlN7zWS26e1TbsznNxE9Q=";
   };
 
   # This is the owner and repo for the pre-patched kernel from the "linux-surface" project:
diff --git a/microsoft/surface/surface-go/default.nix b/microsoft/surface/surface-go/default.nix
index fdd13f6..b57d73e 100644
--- a/microsoft/surface/surface-go/default.nix
+++ b/microsoft/surface/surface-go/default.nix
@@ -17,6 +17,8 @@ in {
     ../../../common/cpu/intel/kaby-lake
   ];
 
+  microsoft-surface.kernelVersion = "6.1.6";
+
   boot.kernelParams = [
     "i915.enable_rc6=1"
     "i915.modeset=1"