ASoC: rsnd: show debug info for sampling rate convert

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 7ac35c9..7af374b 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -183,6 +183,8 @@
 
 	rsnd_mod_bset(mod, DIV_EN, en, en);
 
+	dev_dbg(dev, "convert rate %d <-> %d\n", src_rate, dst_rate);
+
 	return 0;
 }