Add luminance and external monitor kernel modules

nki-home/audio/default.nix

@@ -1,5 +1,5 @@
 { config, pkgs, lib, ... }: {
   environment.etc = {
-    "wireplumber/main.lua.d/51-sdac.lua".source = ./sdac.lua;
+    "wireplumber/wireplumber.conf.d/51-sdac.conf".source = ./sdac.conf.json;
   };
 }

nki-home/audio/sdac.conf.json

@@ -0,0 +1,19 @@
+monitor.alsa.rules = [
+  {
+    matches = [
+      {
+        device.name = "alsa_output.usb-Grace_Design_SDAC-00.*"
+      }
+    ]
+    actions = {
+      update-props = {
+        # audio.format = "S24_3LE"
+        audio.rate = 88200
+        api.alsa.period-size = 2
+        api.alsa.headroom = 0
+        api.alsa.disable-batch = true
+      }
+    }
+  }
+]
+

nki-home/audio/sdac.lua

@@ -6,7 +6,7 @@ rule = {
   },
   apply_properties = {
     ["audio.format"] = "S24_3LE",
-    ["audio.rate"] = 96000,
+    ["audio.rate"] = 44100,
     ["api.alsa.period-size"] = 2,
     ["api.alsa.headroom"] = 0,
     ["api.alsa.disable-batch"] = true