Initialize general.nix; merge defaults into all ThinkPad configurations

lenovo/general.nix

@@ -0,0 +1,10 @@
+{ lib, ... }:
+
+with lib;
+
+{
+  hardware.trackpoint = mkDefault {
+    enable = true;
+    emulateWheel = true;
+  };
+}

lenovo/t410.nix

@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
 {
+  imports = [ ./general.nix ];
+
   boot = {
     kernelParams = [
       # Kernel GPU Savings Options (NOTE i915 chipset only)

lenovo/t440p.nix

@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
 {
+  imports = [ ./general.nix ];
+
   boot = {
     extraModprobeConfig = ''
       options bbswitch use_acpi_to_detect_card_state=1

lenovo/t460s.nix

@@ -3,6 +3,7 @@
 {
   imports =
     [ ../lib/kernel-version.nix
+      ./general.nix
     ];
 
   ## BEGIN from generated hardware-configuration
@@ -45,15 +46,5 @@
   services.xserver = {
     libinput.enable = true;
     synaptics.enable = false;
-
-    config = ''
-      Section "InputClass"
-        Identifier     "Enable libinput for TrackPoint"
-        MatchIsPointer "on"
-        Driver         "libinput"
-        Option         "ScrollMethod" "button"
-        Option         "ScrollButton" "8"
-      EndSection
-    '';
   };
 }

lenovo/x140e.nix

@@ -1,6 +1,8 @@
 { config, lib, pkgs, ... }:
 
 {
+  imports = [ ./general.nix ];
+
   boot = {
     # wireless
     kernelModules = [ "kvm-amd" "wl" ];
@@ -15,12 +17,6 @@
   # video card
   services.xserver.videoDrivers = ["ati"];
 
-  # trackpad (touchpad disabled)
-  hardware.trackpoint = {
-    enable = true;
-    emulateWheel = true;
-  };
-
   # media keys
   sound.enableMediaKeys = true;
 }

lenovo/x220i-tablet.nix

@@ -1,6 +1,8 @@
 { config, pkgs, ... }:
 
 {
+  imports = [ ./general.nix ];
+
   # TPM chip countains a RNG
   security.rngd.enable = true;
 
@@ -15,10 +17,6 @@
   # hard disk protection if the laptop falls
   services.hdapsd.enable = true;
 
-  # trackpoint support (touchpad disabled in this config)
-  hardware.trackpoint.enable = true;
-  hardware.trackpoint.emulateWheel = true;
-
   # alternatively, touchpad with two-finger scrolling
   #services.xserver.libinput.enable = true;
 

lenovo/x250.nix

@@ -1,9 +1,10 @@
 { config, pkgs, ... }:
 
 {
+  imports = [ ./general.nix ];
+
    # modesetting driver leads to freezes with newer kernel at the moment (> 4.4)
    services.xserver.videoDrivers = [ "intel" ];
 
    services.xserver.libinput.enable = true;
-   hardware.trackpoint.emulateWheel = true;
 }

lenovo/z510.nix

@@ -1,3 +1,6 @@
+# NOTE: this doesn't inherit from the `general.nix`
+# as z510 is not a ThinkPad
+
 { config, pkgs, ... }:
 {
   hardware.cpu.intel.updateMicrocode = true;