Add laptop power saving conf

roles/arch/handlers/main.yml

@@ -43,3 +43,11 @@
     state: restarted
     enabled: true
     scope: user
+
+- name: restart powertop
+  become: yes
+  systemd:
+    name: powertop
+    state: restarted
+    enabled: true
+    daemon-reload: true

roles/arch/tasks/main.yml

@@ -42,9 +42,16 @@
     state: touch
     mode: "0644"
 
-# TODO
-# - laptop power saving configuration
-# - laptop pacman specific configuration
+- name: copy powertop service
+  become: yes
+  template:
+    src: "{{ platform }}/powertop.j2"
+    dest: "/etc/systemd/system/powertop.service"
+    owner: root
+    group: root
+    mode: "0644"
+  notify: restart powertop
+  when: platform == "laptop"
 
 - include_tasks: systemd.yml
 - include_tasks: gpg.yml # TODO

roles/arch/templates/laptop/powertop.j2

@@ -0,0 +1,11 @@
+# {{ ansible_managed }} {{ ansible_date_time.time }} {{ ansible_date_time.date }}
+
+[Unit]
+Description=Powertop tunings
+
+[Service]
+ExecStart=/usr/bin/powertop --auto-tune
+RemainAfterExit=true
+
+[Install]
+WantedBy=multi-user.target

roles/arch/vars/laptop.yml

@@ -1,2 +1,3 @@
 platform_packages:
   - iwd
+  - powertop