Commit b42b6a65a0fc

@@ -0,0 +1,89 @@
+{ config, pkgs, ... }:
+
+{
+        boot = {
+                kernelParams = [
+      		        # Kernel GPU Savings Options (NOTE i915 chipset only)
+			#"i915.enable_rc6=1" "i915.enable_fbc=1"
+			#"i915.lvds_use_ssc=0"
+      			"drm.debug=0" "drm.vblankoffdelay=1"
+    		];
+    	blacklistedKernelModules = [
+      	        # Kernel GPU Savings Options (NOTE i915 chipset only)
+      		"sierra_net" "cdc_mbim" "cdc_ncm"
+    	];
+};
+        environment.systemPackages = with pkgs; [
+	        linuxPackages_4_8.tp_smapi
+	];
+	services = {
+		acpid = {
+			enable = true;
+			lidEventCommands = ''
+if grep -q closed /proc/acpi/button/lid/LID/state; then
+	date >> /tmp/i3lock.log
+	DISPLAY=":0.0" XAUTHORITY=/home/fadenb/.Xauthority ${pkgs.i3lock}/bin/i3lock &>> /tmp/i3lock.log
+fi
+'';
+		};
+		tlp = {
+			enable = true;
+			extraConfig = ''
+# CPU optimizations
+CPU_SCALING_GOVERNOR_ON_AC=performance
+CPU_SCALING_GOVERNOR_ON_BAT=powersave
+CPU_MIN_PERF_ON_AC=0
+CPU_MAX_PERF_ON_AC=100
+CPU_MIN_PERF_ON_BAT=0
+CPU_MAX_PERF_ON_BAT=50
+# DEVICES (wifi, ..)
+DEVICES_TO_DISABLE_ON_STARTUP="bluetooth"
+DEVICES_TO_ENABLE_ON_AC="bluetooth wifi wwan"
+DEVICES_TO_DISABLE_ON_BAT="bluetooth"
+# Network management
+DEVICES_TO_DISABLE_ON_LAN_CONNECT=""
+DEVICES_TO_DISABLE_ON_WIFI_CONNECT=""
+DEVICES_TO_DISABLE_ON_WWAN_CONNECT=""
+DEVICES_TO_ENABLE_ON_LAN_DISCONNECT=""
+DEVICES_TO_ENABLE_ON_WIFI_DISCONNECT=""
+DEVICES_TO_ENABLE_ON_WWAN_DISCONNECT="" 
+			'';
+		};
+	};
+	services.xserver = {
+			synaptics.enable = false;
+
+			 config = ''
+      			 Section "InputClass"
+			         Identifier     "Enable libinput for TrackPoint"
+				 MatchIsPointer "on"
+				 Driver         "libinput"
+				 Option         "ScrollMethod" "button"
+				 Option         "ScrollButton" "8"
+			 EndSection
+    			 '';
+			inputClassSections = [
+					''
+					Identifier "evdev touchpad off"
+					MatchIsTouchpad "on"
+					MatchDevicePath "/dev/input/event*"
+					Driver "evdev"
+					Option "Ignore" "true"
+					''
+			];
+	};
+	
+	boot.extraModprobeConfig = ''
+	options snd_hda_intel power_save=1
+	'';
+	systemd.services.tune-powermanagement = {
+    	        description = "Tune Powermanagement";
+    		serviceConfig.Type = "oneshot";
+    		serviceConfig.RemainAfterExit = true;
+    		wantedBy = [ "multi-user.target" ];
+    		unitConfig.RequiresMountsFor = "/sys";
+    		script = ''
+      		echo '1500' > '/proc/sys/vm/dirty_writeback_centisecs'
+    		'';
+	};
+}

@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+	imports =
+		[ # Include the results of the hardware scan.
+			../hardware-configuration.nix
+			../configuration/custom-packages.nix
+			../configuration/common.nix
+			../hardware/thinkpad-x220-configuration.nix
+		];
+
+	networking.hostName = "hokkaido";
+
+}