disable caps lock key and add some power management features to save battery on laptop

hosts/laptop.nix

@@ -7,7 +7,7 @@
 	modules/vboxHost.nix
   ];
 
-  boot.kernelParams = [ "amd_iommu=on" "iommu=pt" "kvm_amd.npt=1" "kvm_amd.avic=1"];
+  boot.kernelParams = [ "amd_iommu=off" "idle=nomwait" "amdgpu.gpu_recovery=1"];
   boot.kernelPackages = lib.mkDefault pkgs.linuxPackages_latest;
 #  boot.extraModulePackages = with config.boot.kernelPackages; [ kvmfr ];
   boot.kernelModules = [ "vfio" "vfio-pci"];
@@ -39,6 +39,25 @@
 
   hardware.bluetooth.enable = true;
 
+  #power management
+  powerManagement.enable = true;
+  powerManagement.powertop.enable = true;
+  powerManagement.cpuFreqGovernor = "powersave";
+  services.auto-cpufreq.enable = true;
+  services.auto-cpufreq.settings = {
+    battery = {
+      governor = "powersave";
+      turbo = "never";
+    };
+    charger = {
+      governor = "powersave";
+      turbo = "auto";
+    };
+  };
+  services.upower.enable = true;
+  
+
+
 #  boot.plymouth = {
 #    enable = true;
 #	theme = "ycontre-glow";

modules/hyprland.nix

@@ -92,6 +92,7 @@
       kb_layout = "fr";
       kb_variant = "us";
       follow_mouse = 2;
+      kb_options = "caps:none";
       touchpad.natural_scroll = false;
     };