rk3566: add Anbernic RG DS Plus support

projects/ROCKNIX/config.xml

@@ -92,6 +92,7 @@
       <file>rk3566-powkiddy-x55</file>
       <file>rk3566-powkiddy-x35s</file>
       <file>rk3568-anbernic-rg-ds</file>
+      <file>rk3568-anbernic-rg-ds-plus</file>
     </Specific>
   </RK3566>
   <RK3576 mkimage_options="dtb,extlinux,uboot" fdt="device_trees/rk3576-anbernic-rg-vita-pro.dtb" fdt_type="fdt" dtb_prefix="rockchip">

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/Anbernic/RG-DS-Plus/HeadphonesHiFi.conf

@@ -0,0 +1,25 @@
+SectionDevice."Headphones" {
+	Comment "Headphones"
+
+	EnableSequence [
+		cset "name='Playback Mux' HP"
+	]
+
+	Value {
+		PlaybackMixerElem "Master Playback Volume"
+		PlaybackPriority 200
+		PlaybackPCM "hw:${CardId}"
+		JackControl "Headphones Jack"
+	}
+}
+
+SectionDevice."Mic" {
+	Comment "Microphone"
+
+	Value {
+		CapturePriority 100
+		CapturePCM "hw:${CardId}"
+		CaptureMixerElem "Mic Capture Gain"
+		CaptureMasterElem "Master Capture Volume"
+	}
+}

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/Anbernic/RG-DS-Plus/SpeakerHiFi.conf

@@ -0,0 +1,9 @@
+SectionDevice."Speaker" {
+	Comment "Internal Speaker"
+
+	Value {
+		PlaybackPriority 100
+		PlaybackPCM "hw:${CardId}"
+		PlaybackChannels 2
+	}
+}

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/Anbernic/RG-DS-Plus/aw88166.conf

@@ -0,0 +1,10 @@
+# Use case configuration for the Anbernic RG DS Plus
+#
+# 2x awinic aw88166 speakers on I2S3.
+
+Syntax 4
+
+SectionUseCase."HiFi" {
+	File "/Anbernic/RG-DS-Plus/SpeakerHiFi.conf"
+	Comment "Play HiFi quality music"
+}

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/Anbernic/RG-DS-Plus/rk817_hp.conf

@@ -0,0 +1,10 @@
+# Use case configuration for the Anbernic RG DS Plus
+#
+# rk817 codec: headphones and microphone only, speakers are on the aw88166 card.
+
+Syntax 4
+
+SectionUseCase."HiFi" {
+	File "/Anbernic/RG-DS-Plus/HeadphonesHiFi.conf"
+	Comment "Play HiFi quality music"
+}

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/conf.d/aw88166/aw88166.conf

@@ -0,0 +1 @@
+../../Anbernic/RG-DS-Plus/aw88166.conf

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/alsa/ucm2/conf.d/simple-card/rk817_hp.conf

@@ -0,0 +1 @@
+../../Anbernic/RG-DS-Plus/rk817_hp.conf

projects/ROCKNIX/devices/RK3566/filesystem/usr/share/wireplumber/wireplumber.conf.d/51-anbernic-rg-ds-plus.conf

@@ -0,0 +1,39 @@
+# Anbernic RG DS Plus: the rk817 card only has a jack-detected headphone
+# output, so ACP marks its HiFi profile unavailable while unplugged and
+# WirePlumber turns the whole card off, taking the microphone with it.
+# Keep the HiFi profile active; speakers live on the aw88166 card.
+#
+# UCM priorities do not carry across cards, so prefer the headphone sink
+# explicitly. It is skipped as a default while its jack route is unavailable.
+
+device.profile.priority.rules = [
+  {
+    matches = [
+      {
+        alsa.card_name = "rk817_hp"
+      }
+    ]
+    actions = {
+      update-props = {
+        priorities = [ "HiFi" ]
+      }
+    }
+  }
+]
+
+monitor.alsa.rules = [
+  {
+    matches = [
+      {
+        node.name = "~alsa_output.*sound_card0.HiFi__Headphones__sink"
+        alsa.card_name = "rk817_hp"
+      }
+    ]
+    actions = {
+      update-props = {
+        priority.driver = 1100
+        priority.session = 1100
+      }
+    }
+  }
+]