From: Jaroslav Kysela <perex@perex.cz>
Date: Sat, 25 Jun 2022 06:24:56 +0000 (+0200)
Subject: UMC204HD: Add PCM control autodetection
X-Git-Tag: v1.2.7.2~12
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=3833f1961da58d30da9ac281cade789582c50180;p=alsa-ucm-conf.git

UMC204HD: Add PCM control autodetection

The USB driver has two variants for the PCM control
names:

  UMC204HD 192k Output Playback Switch / Volume
    and
  PCM Playback Switch / Volume

BugLink: https://github.com/alsa-project/alsa-ucm-conf/issues/177
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---

diff --git a/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf b/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
index 1fa10c6..ae0f477 100644
--- a/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
+++ b/ucm2/USB-Audio/Behringer/UMC204HD-HiFi.conf
@@ -25,13 +25,23 @@ Macro [
 	}
 ]
 
+Define.PCMCTLName "PCM Playback"
+
+If.pcm_controls {
+	Condition {
+		Type ControlExists
+		Control "name='UMC204HD 192k Output Playback Switch'"
+	}
+	True.Define.PCMCTLName "UMC204HD 192k Output Playback"
+}
+
 Include.ctl_remap.File "/common/ctl/remap.conf"
 
 Macro [
 	{
 		CtlRemapStereoVolSw {
 			Dst "Line A Playback"
-			Src "UMC204HD 192k Output Playback"
+			Src "${var:PCMCTLName}"
 			Index0 0
 			Index1 1
 		}
@@ -39,7 +49,7 @@ Macro [
 	{
 		CtlRemapStereoVolSw {
 			Dst "Line B Playback"
-			Src "UMC204HD 192k Output Playback"
+			Src "${var:PCMCTLName}"
 			Index0 2
 			Index1 3
 		}