ASoC: rsnd: tidyup rsnd_dma_addr()

This patch tidyups rsnd_dma_addr(), but there is no effect.

This is prepare for Gen4 support.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87sffq5elx.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sh/rcar/dma.c

@@ -659,16 +659,16 @@ static dma_addr_t rsnd_dma_addr(struct rsnd_dai_stream *io,
 {
 	struct rsnd_priv *priv = rsnd_io_to_priv(io);
 
+	if (!mod)
+		return 0;
+
 	/*
 	 * gen1 uses default DMA addr
 	 */
 	if (rsnd_is_gen1(priv))
 		return 0;
-
-	if (!mod)
-		return 0;
-
-	return rsnd_gen2_dma_addr(io, mod, is_play, is_from);
+	else
+		return rsnd_gen2_dma_addr(io, mod, is_play, is_from);
 }
 
 #define MOD_MAX (RSND_MOD_MAX + 1) /* +Memory */