D53237.1792133031.diff
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	diff --git a/share/man/man4/snd_dummy.4 b/share/man/man4/snd_dummy.4
	--- a/share/man/man4/snd_dummy.4
	+++ b/share/man/man4/snd_dummy.4
	@@ -27,7 +27,7 @@
	.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	.\" SUCH DAMAGE.
	.\"
	-.Dd July 15, 2024
	+.Dd October 22, 2025
	.Dt SND_DUMMY 4
	.Os
	.Sh NAME
	@@ -52,6 +52,16 @@
	.Pp
	Playback works by discarding all input, and recording by returning silence
	(zeros).
	+.Sh FILES
	+.Bl -tag -width "/dev/dsp.dummy" -compact
	+.It Pa /dev/dsp.dummy
	+Alias to the device's
	+.Pa /dev/dsp%d
	+file created by
	+.Xr sound 4 .
	+This makes it easy for tests to open the dummy devic when there are more
	+devices present in the system.
	+.El
	.Sh SEE ALSO
	.Xr sound 4 ,
	.Xr loader.conf 5 ,
	diff --git a/sys/dev/sound/dummy.c b/sys/dev/sound/dummy.c
	--- a/sys/dev/sound/dummy.c
	+++ b/sys/dev/sound/dummy.c
	@@ -346,6 +346,12 @@
	return (ENXIO);
	mixer_init(dev, &dummy_mixer_class, sc);

	+ /*
	+ * Create an alias so that tests do not need to guess which one is the
	+ * dummy device if there are more devices present in the system.
	+ */
	+ make_dev_alias(sc->info.dsp_dev, "dsp.dummy");
	+
	return (0);
	}