ASoC: rsnd: add rsnd_gen_get_phy_addr() to get physical address

physical address is required from Audio DMAC peri peri.

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/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index ec77c9f..8a8a4d5 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -331,6 +331,7 @@
 dma_addr_t rsnd_gen_dma_addr(struct rsnd_priv *priv,
 		       struct rsnd_mod *mod,
 		       int is_play,  int is_from);
+phys_addr_t rsnd_gen_get_phy_addr(struct rsnd_priv *priv, int reg_id);
 
 #define rsnd_is_gen1(s)		(((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
 #define rsnd_is_gen2(s)		(((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)