ASoC: rsnd: enable rsnd_ssi_use_busif() for DMA

Renesas R-Car sound driver uses SSI, but the DMA interfaces are
SSI/SSIU. This interface is based on SSI/SRC/DVC connection.
And DMA function needs to know which interface is used somehow.
This patch enables rsnd_ssi_use_busif() for DMA.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

3 files changed, 3 insertions, 2 deletions

diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index b449763ebd43..3f34461da1e0 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -427,7 +427,7 @@ rsnd_gen2_dma_addr(struct rsnd_priv *priv,
                 dev_err(dev, "DVC is selected without SRC\n");
 
         /* use SSIU or SSI ? */
-        if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
+        if (is_ssi && rsnd_ssi_use_busif(mod))
                 is_ssi++;
 
         return (is_from) ?
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 0d36e38ebbcf..68bc3f46d70b 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -514,6 +514,7 @@ int rsnd_ssi_probe(struct platform_device *pdev,
 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
 int rsnd_ssi_is_pin_sharing(struct rsnd_mod *mod);
 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
+int rsnd_ssi_use_busif(struct rsnd_mod *mod);
 
 /*
  *      R-Car DVC
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index a0d902ad5985..7e48d562dea8 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -84,7 +84,7 @@ struct rsnd_ssi {
 #define rsnd_ssi_mode_flags(p) ((p)->info->flags)
 #define rsnd_ssi_dai_id(ssi) ((ssi)->info->dai_id)
 
-static int rsnd_ssi_use_busif(struct rsnd_mod *mod)
+int rsnd_ssi_use_busif(struct rsnd_mod *mod)
 {
         struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
         struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);