From f9590567adede8febdd07168a4caaf7ddfa02d2e Mon Sep 17 00:00:00 2001
From: Kevin Cox <kevincox@kevincox.ca>
Date: Mon, 29 Dec 2025 16:12:41 -0500
Subject: [PATCH] Add support for the Behringer ULM200D wireless microphones.

This is a USB receiver for two wireless microphones.
Each microphone appears on a different channel.
By default these would be detected as left and right.

Closes: https://github.com/alsa-project/alsa-ucm-conf/pull/669
Signed-off-by: Kevin Cox <kevincox@kevincox.ca>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 ucm2/USB-Audio/Behringer/ULM200D-HiFi.conf | 40 ++++++++++++++++++++++
 ucm2/USB-Audio/Behringer/ULM200D.conf      |  8 +++++
 ucm2/USB-Audio/USB-Audio.conf              |  9 +++++
 3 files changed, 57 insertions(+)
 create mode 100644 ucm2/USB-Audio/Behringer/ULM200D-HiFi.conf
 create mode 100644 ucm2/USB-Audio/Behringer/ULM200D.conf

diff --git a/ucm2/USB-Audio/Behringer/ULM200D-HiFi.conf b/ucm2/USB-Audio/Behringer/ULM200D-HiFi.conf
new file mode 100644
index 0000000..f12cf2f
--- /dev/null
+++ b/ucm2/USB-Audio/Behringer/ULM200D-HiFi.conf
@@ -0,0 +1,40 @@
+Include.pcm_split.File "/common/pcm/split.conf"
+
+Macro [
+	{
+		SplitPCM {
+			Name "ulm200d_mono_in"
+			Direction Capture
+			Channels 1
+			HWChannels 2
+			HWChannelPos0 MONO
+			HWChannelPos1 MONO
+		}
+	}
+]
+
+SectionDevice."Mic1" {
+	Comment "Mic 1"
+
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ulm200d_mono_in"
+		Direction Capture
+		HWChannels 2
+		Channels 1
+		Channel0 0
+		ChannelPos0 MONO
+	}
+}
+
+SectionDevice."Mic2" {
+	Comment "Mic 2"
+
+	Macro.pcm_split.SplitPCMDevice {
+		Name "ulm200d_mono_in"
+		Direction Capture
+		HWChannels 2
+		Channels 1
+		Channel0 1
+		ChannelPos0 MONO
+	}
+}
diff --git a/ucm2/USB-Audio/Behringer/ULM200D.conf b/ucm2/USB-Audio/Behringer/ULM200D.conf
new file mode 100644
index 0000000..c9883f7
--- /dev/null
+++ b/ucm2/USB-Audio/Behringer/ULM200D.conf
@@ -0,0 +1,8 @@
+Comment "Behringer ULM200D"
+
+SectionUseCase."HiFi" {
+	Comment "Default"
+	File "/USB-Audio/Behringer/ULM200D-HiFi.conf"
+}
+
+Macro.0.DirectUseCase { Id="Direct" PlaybackChannels=0 CaptureChannels=2 }
diff --git a/ucm2/USB-Audio/USB-Audio.conf b/ucm2/USB-Audio/USB-Audio.conf
index 0841af6..ab23845 100644
--- a/ucm2/USB-Audio/USB-Audio.conf
+++ b/ucm2/USB-Audio/USB-Audio.conf
@@ -397,6 +397,15 @@ If.focusrite-scarlett-18i20 {
 	True.Define.ProfileName "Focusrite/Scarlett-18i20"
 }
 
+If.behringer-ulm200d {
+	Condition {
+		Type String
+		Haystack "${CardComponents}"
+		Needle "USB1397:00f1"
+	}
+	True.Define.ProfileName "Behringer/ULM200D"
+}
+
 If.behringer-umc202hd {
 	Condition {
 		Type String
-- 
2.47.3