make hardware profiles prettier

profiles/base/hardware.nix

@@ -4,12 +4,21 @@
   ...
 }: let
   inherit (lib.modules) mkIf;
+
+  is_x86 = "${pkgs.system}" == "x86_64-linux";
 in {
-  hardware.enableRedistributableFirmware = true;
-  hardware.enableAllFirmware = true;
-  hardware.cpu.intel.updateMicrocode =
-    mkIf ("${pkgs.system}" == "x86_64-linux") true;
-  hardware.cpu.amd.updateMicrocode =
-    mkIf ("${pkgs.system}" == "x86_64-linux") true;
-  hardware.wirelessRegulatoryDatabase = true;
+  hardware = {
+    enableAllFirmware = true;
+    enableRedistributableFirmware = true;
+    wirelessRegulatoryDatabase = true;
+
+ksm.enable = true;
+
+    i2c.enable = true;
+
+    cpu = {
+      intel.updateMicrocode = mkIf is_x86 true;
+      amd.updateMicrocode = mkIf is_x86 true;
+    };
+  };
 }

profiles/printing/printing.nix

@@ -1,4 +1,17 @@
 {pkgs, ...}: {
-  services.printing.enable = true;
-  services.printing.drivers = with pkgs; [gutenprint hplip];
+  services.avahi = {
+    enable = true;
+    nssmdns = true;
+    openFirewall = true;
+  };
+
+  services.printing = {
+    enable = true;
+    drivers = with pkgs; [gutenprint hplip];
+  };
+
+  hardware.sane = {
+    enable = true;
+    openFirewall = true;
+  };
 }

users/chaos.nix

@@ -13,6 +13,8 @@
       "uinput"
       "audio"
       "rtkit"
+      "i2c"
+      "kvm"
     ];
     openssh.authorizedKeys.keys = [
       "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEZpvkllLt7HinNpisOx7hWT2br68UoCg0sXKTxHEeUB chaos@chaos"