a52: add speaker-test command to the configuration file comment

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/a52/60-a52-encoder.conf b/a52/60-a52-encoder.conf
index 346c94f7bedc4dc6870f44a646daa777d3983bf1..99cc98e1befdd71a2b574acbb2f79e9aceebe5c6 100644 (file)
--- a/a52/60-a52-encoder.conf
+++ b/a52/60-a52-encoder.conf
@@ -36,3 +36,10 @@ pcm.a52 {
                 description "Plugin to convert multichannel stream to A52 (AC3) bitstream"
        }
 }
+
+#
+# A quick test command:
+#   CARD=1         # replace with your IEC958 card
+#   DEVICE=1       # replace with your IEC958 PCM device number
+#   speaker-test -d -b 2000000 -c 6 -D"plug:{SLAVE=\"a52:${CARD},'hw:${CARD},${DEVICE}'\"}"
+#