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-rw-r--r--share/man/man4/snd_dummy.417
1 files changed, 14 insertions, 3 deletions
diff --git a/share/man/man4/snd_dummy.4 b/share/man/man4/snd_dummy.4
index 2b9d26d318ef..172b8ed70729 100644
--- 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
@@ -47,11 +47,22 @@ physical sound card.
It is intended for testing, so that test programs do not need to rely on
hardware being present in the machine in order to run.
.Pp
-The driver attaches as a regular PCM device, with two channels (one playback
-and one recording), as well as a mixer.
+The driver attaches as a regular
+.Xr sound 4
+device, with two channels (one playback and one recording), as well as a mixer.
.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 ,