[PATCH 02/10] ASoC: rsnd: attach SSIU when SSI was DMA mode

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

SSIU is not needed if SSI was PIO mode.
This patch ignores such case.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 sound/soc/sh/rcar/rsnd.h | 1 +
 sound/soc/sh/rcar/ssi.c  | 4 +---
 sound/soc/sh/rcar/ssiu.c | 6 +++++-
 3 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index c8c7691f7426..8eb07342f768 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -777,6 +777,7 @@ void rsnd_ssi_remove(struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id);
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io);
 u32 rsnd_ssi_multi_secondaries_runtime(struct rsnd_dai_stream *io);
+int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
 
 #define rsnd_ssi_is_pin_sharing(io)	\
 	__rsnd_ssi_is_pin_sharing(rsnd_io_to_mod_ssi(io))
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index e29482c26d6a..bd479714b22e 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -117,8 +117,6 @@ struct rsnd_ssi {
 	(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
 #define rsnd_ssi_can_output_clk(mod) (!__rsnd_ssi_is_pin_sharing(mod))
 
-static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
-
 int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
 {
 	struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
@@ -1147,7 +1145,7 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
 	.get_status	= rsnd_ssi_get_status,
 };
 
-static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
+int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
 {
 	return mod->ops == &rsnd_ssi_dma_ops;
 }
diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c
index 852cdeedf7e9..6896ff0bc89d 100644
--- a/sound/soc/sh/rcar/ssiu.c
+++ b/sound/soc/sh/rcar/ssiu.c
@@ -336,16 +336,20 @@ static void rsnd_parse_connect_ssiu_compatible(struct rsnd_priv *priv,
 {
 	struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
 	struct rsnd_ssiu *ssiu;
+	int is_dma_mode;
 	int i;
 
 	if (!ssi_mod)
 		return;
 
+	is_dma_mode = rsnd_ssi_is_dma_mode(ssi_mod);
+
 	/* select BUSIF0 */
 	for_each_rsnd_ssiu(ssiu, priv, i) {
 		struct rsnd_mod *mod = rsnd_mod_get(ssiu);
 
-		if ((rsnd_mod_id(ssi_mod) == rsnd_mod_id(mod)) &&
+		if (is_dma_mode &&
+		    (rsnd_mod_id(ssi_mod) == rsnd_mod_id(mod)) &&
 		    (rsnd_mod_id_sub(mod) == 0)) {
 			rsnd_dai_connect(mod, io, mod->type);
 			return;
-- 
2.25.1