From 116000a6c2041f7de8f2133834d6d24ebacbbdea Mon Sep 17 00:00:00 2001
From: Mateusz Mojsiejuk <tomodachi@fishface.se>
Date: Fri, 6 Sep 2024 20:23:29 +0200
Subject: [PATCH] Add role for decreasing power consumption on pi:s

---
 README.md                               |  3 +++
 roles/headless-powersave/tasks/main.yml | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 roles/headless-powersave/tasks/main.yml

diff --git a/README.md b/README.md
index 1113714..4c98e0a 100644
--- a/README.md
+++ b/README.md
@@ -108,3 +108,6 @@ static_dhcp_clients:
   xx:xx:xx:xx:xx:xx: ip2 
 ```
 `
+
+## Headless powersave
+Disables HDMI and on-device leds to save power
diff --git a/roles/headless-powersave/tasks/main.yml b/roles/headless-powersave/tasks/main.yml
new file mode 100644
index 0000000..f318afb
--- /dev/null
+++ b/roles/headless-powersave/tasks/main.yml
@@ -0,0 +1,18 @@
+---
+- name: Disable HDMI
+  become: true
+  ansible.builtin.lineinfile:
+    path: /boot/config.txt
+    state: present
+    regexp: "dtoverlay=vc4-kms-v3d"
+    line: "dtoverlay=vc4-kms-v3d,nohdmi"
+
+- name: Disable Activity LED
+  become: true
+  ansible.builtin.lineinfile:
+    path: /boot/config.txt
+    state: present
+    line: "{{ item }}"
+  loop:
+    - "dtparam=act_led_trigger=none"
+    - "dtparam=act_led_activelow=on"