From 597a1eb1ba02891c79132319f3d2beb2b5cbc108 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Thu, 28 Jan 2021 08:48:03 +0100
Subject: [PATCH] alsa: fix the plug: PCM device name creation

The plug: ALSA PCM device name can pass any device name
even with argument, but the syntax is:

plug:SLAVE='<pcm_device_name>'

BugLink: https://github.com/alsa-project/alsa-ucm-conf/pull/75#issuecomment-768555182
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/492>
---
 src/modules/alsa/alsa-util.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modules/alsa/alsa-util.c b/src/modules/alsa/alsa-util.c
index 172a7bb51..172ffbb99 100644
--- a/src/modules/alsa/alsa-util.c
+++ b/src/modules/alsa/alsa-util.c
@@ -731,7 +731,7 @@ snd_pcm_t *pa_alsa_open_by_device_string(
             if (!pa_startswith(d, "plug:") && !pa_startswith(d, "plughw:")) {
                 char *t;
 
-                t = pa_sprintf_malloc("plug:%s", d);
+                t = pa_sprintf_malloc("plug:SLAVE='%s'", d);
                 pa_xfree(d);
                 d = t;