From 3753c50d7eed9c624d6801903960c63c801ecbb3 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 1 Aug 2022 17:48:48 +0200
Subject: [PATCH] Behringer UCM204HD - use S32_LE format for dshare/dsnoop

BugLink: https://github.com/alsa-project/alsa-ucm-conf/issues/192
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf | 2 ++
 ucm2/common/pcm/split.conf                  | 9 +++++++++
 2 files changed, 11 insertions(+)

diff --git a/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf b/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
index ae0f477..19660d2 100644
--- a/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
+++ b/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
@@ -5,6 +5,7 @@ Macro [
 		SplitPCM {
 			Name "umc204hd_stereo_out"
 			Direction Playback
+			Format S32_LE
 			Channels 2
 			HWChannels 4
 			HWChannelPos0 FL
@@ -17,6 +18,7 @@ Macro [
 		SplitPCM {
 			Name "umc204hd_mono_in"
 			Direction Capture
+			Format S32_LE
 			Channels 1
 			HWChannels 2
 			HWChannelPos0 MONO
diff --git a/ucm2/common/pcm/split.conf b/ucm2/common/pcm/split.conf
index a92a3b2..be47f72 100644
--- a/ucm2/common/pcm/split.conf
+++ b/ucm2/common/pcm/split.conf
@@ -11,6 +11,7 @@
 # Arguments:
 #   Name - PCM name (alsa-lib)
 #   Direction - "Playback" or "Capture"
+#   [Format] - sample format like S16_LE or S32_LE
 #   Channels - application channels
 #   HWChannels - hardware channels
 #   HWChannelPos0 - channel position (MONO FR FL etc. - see alsa-lib's strings)
@@ -39,6 +40,13 @@ DefineMacro.SplitPCM.If.0 {
 			True.Define.__buffer_time 500000
 			False.Define.__buffer_time "${var:SplitPCMBufferTime}"
 		}
+		If.format {
+			Condition {
+				Type String
+				Empty "${var:-__Format}"
+			}
+			True.Define.__Format S16_LE
+		}
 
 		LibraryConfig.pcm.SubstiConfig.pcm."${var:__Name}" {
 			@args [ CARD DEV CHN0 ]
@@ -56,6 +64,7 @@ DefineMacro.SplitPCM.If.0 {
 					device $DEV
 					chmap [ "${var:__HWChannelPos0}" ]
 				}
+				format "${var:__Format}"
 				channels "${evali:$__HWChannels}"
 				period_time "${evali:$__period_time}"
 				buffer_time "${evali:$__buffer_time}"
-- 
2.47.1