From ff4a21d9656fc9de43db50d70e0dfc39f75f155c Mon Sep 17 00:00:00 2001
From: Kopatz <7265381+Kropatz@users.noreply.github.com>
Date: Wed, 1 Oct 2025 19:08:47 +0200
Subject: [PATCH] turn tv on and off pretty cooool

---
 systems/laptop/configuration.nix | 35 ++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/systems/laptop/configuration.nix b/systems/laptop/configuration.nix
index 5151710..1869fff 100644
--- a/systems/laptop/configuration.nix
+++ b/systems/laptop/configuration.nix
@@ -1,4 +1,7 @@
 { config, pkgs, inputs, lib, ... }:
+let
+  cec = "${pkgs.v4l-utils}/bin/cec-ctl";
+in
 {
   imports = [
     # Include the results of the hardware scan.
@@ -22,6 +25,38 @@
     inputs.nixos-hardware.nixosModules.framework-13-7040-amd
   ];
 
+  # issue with internal mic not workin
+  # ... didn't work
+  services.pipewire.wireplumber.extraConfig.no-ucm = {
+    "monitor.alsa.properties" = {
+      "alsa.use-ucm" = false;
+    };
+  };
+
+  # after suspend, do `cec-ctl -A | grep cec0 | wc -l`, if >0, do `cec-ctl --standby --to TV`
+  # similar on wakeup, if present send `cec-ctl --user-control-pressed ui-cmd=power-on-function --to TV`
+  environment.etc."systemd/system-sleep/sleep-turn-tv-off-on.sh".source =
+    pkgs.writeShellScript "post-sleep-turn-tv-off.sh" ''
+      case $1/$2 in
+        pre/*)
+          if [ $(${cec} -A | ${pkgs.gnugrep}/bin/grep cec0 | ${pkgs.coreutils}/bin/wc -l) -gt 0 ]; then
+            ${cec} -C --skip-info
+            ${cec} --tv --skip-info
+            ${cec} --standby --skip-info --to TV
+            echo "Turning TV off!"
+            ${pkgs.coreutils}/bin/sleep 2
+          fi
+          ;;
+        post/*)
+          if [ $(${cec} -A | ${pkgs.gnugrep}/bin/grep cec0 | ${pkgs.coreutils}/bin/wc -l) -gt 0 ]; then
+            ${cec} --tv --skip-info
+            ${cec} --skip-info --user-control-pressed ui-cmd=power-on-function --to TV
+            echo "Turning TV on!"
+          fi
+          ;;
+      esac
+    '';
+
   custom = {
     cli-tools.enable = true;
     tmpfs.enable = true;