Initial build setup for x86_64 Stormux.

x86_64/airootfs/etc/wireplumber/main.lua.d/50-analog-priority.lua

@@ -0,0 +1,31 @@
+-- Prioritize analog and USB audio devices over HDMI
+-- This ensures real sound cards are selected by default
+
+rule = {
+  matches = {
+    {
+      { "device.form-factor", "equals", "internal" },
+    },
+    {
+      { "device.form-factor", "equals", "speaker" },
+    },
+    {
+      { "device.form-factor", "equals", "headphone" },
+    },
+    {
+      { "device.bus", "equals", "usb" },
+    },
+    {
+      { "node.name", "matches", "alsa_output.pci-*analog*" },
+    },
+    {
+      { "node.name", "matches", "alsa_output.usb-*" },
+    },
+  },
+  apply_properties = {
+    ["priority.driver"] = 1000,
+    ["priority.session"] = 1000,
+  },
+}
+
+table.insert(alsa_monitor.rules, rule)

x86_64/airootfs/etc/wireplumber/main.lua.d/51-hdmi-deprioritize.lua

@@ -0,0 +1,22 @@
+-- Deprioritize HDMI audio devices
+-- This ensures analog/USB audio devices are preferred over HDMI
+
+rule = {
+  matches = {
+    {
+      { "device.name", "matches", "hdmi*" },
+    },
+    {
+      { "device.name", "matches", "HDMI*" },
+    },
+    {
+      { "node.name", "matches", "alsa_output.pci-*hdmi*" },
+    },
+  },
+  apply_properties = {
+    ["priority.driver"] = 100,
+    ["priority.session"] = 100,
+  },
+}
+
+table.insert(alsa_monitor.rules, rule)