From 8532b4a436364d04d5c1feb7af5ecd4b5df71a9f Mon Sep 17 00:00:00 2001
From: Christos Margiolis <christos@FreeBSD.org>
Date: Fri, 17 Apr 2026 12:03:30 +0200
Subject: [PATCH] rc: virtual_oss: Create a loopback device in the default
 configuration

The loopback device allows us to record desktop sound by reading from
it, or even use it as an input device, for example during a call.

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Reviewed by:	emaste
Pull-Request:	https://ron-dev.freebsd.org/FreeBSD/src/pulls/16
---
 libexec/rc/rc.d/virtual_oss | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libexec/rc/rc.d/virtual_oss b/libexec/rc/rc.d/virtual_oss
index a25abf256f5..73a486f547a 100644
--- a/libexec/rc/rc.d/virtual_oss
+++ b/libexec/rc/rc.d/virtual_oss
@@ -39,6 +39,7 @@ virtual_oss_default_args="\
 	-i 8 \
 	-f /dev/dsp${default_unit} \
 	-d dsp \
+	-l dsp.loop \
 	-t ${virtual_oss_default_control_device}"
 
 # Set to NO by default. Set it to "YES" to enable virtual_oss.