https://gitlab.freedesktop.org/pipewire/pipewire/-/commit/89ac6b353521fb9a6d6eb6bb74724c4fa968f75c
https://gitlab.freedesktop.org/pipewire/pipewire/-/issues/2893

From 89ac6b353521fb9a6d6eb6bb74724c4fa968f75c Mon Sep 17 00:00:00 2001
From: Wim Taymans <wtaymans@redhat.com>
Date: Sat, 17 Dec 2022 18:17:33 +0100
Subject: [PATCH] =?UTF-8?q?alsa:=20don=C2=B4t=20set=20-1=20as=20node.targe?=
 =?UTF-8?q?t?=
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Leave the target unset when -1, just like what pw-stream does.

See #2893
--- a/pipewire-alsa/alsa-plugins/pcm_pipewire.c
+++ b/pipewire-alsa/alsa-plugins/pcm_pipewire.c
@@ -579,7 +579,7 @@ static int snd_pcm_pipewire_prepare(snd_pcm_ioplug_t *io)
 		pw_properties_setf(props, PW_KEY_NODE_LATENCY, "%lu/%u", pw->min_avail, io->rate);
 	if (pw_properties_get(props, PW_KEY_NODE_RATE) == NULL)
 		pw_properties_setf(props, PW_KEY_NODE_RATE, "1/%u", io->rate);
-	if (pw->target != NULL &&
+	if (pw->target != NULL && !spa_streq(pw->target, "-1") &&
 		pw_properties_get(props, PW_KEY_NODE_TARGET) == NULL)
 		pw_properties_setf(props, PW_KEY_NODE_TARGET, "%s", pw->target);
 
-- 
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