patches.renesas/0056-ASoC-rsnd-get-ssi-scu-from-rsnd_dai_stream.patch

From 56e4fb14ea973ccfdc676c9e1be148813caf3339 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Sun, 2 Mar 2014 23:43:03 -0800
Subject: ASoC: rsnd: get ssi/scu from rsnd_dai_stream

Current driver is assuming that SSI id = SCU id.
But, now, it can get correct SSI/SCU from
rsnd_dai_stream. use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
(cherry picked from commit 374e5426377604a94d672650ef22dd2b4285de17)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 sound/soc/sh/rcar/rsnd.h |  4 +++-
 sound/soc/sh/rcar/scu.c  | 20 +++++++++++---------
 sound/soc/sh/rcar/ssi.c  |  2 +-
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 7767a8f1994a..cbc38a2be81c 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -192,6 +192,8 @@ struct rsnd_dai_stream {
 	int byte_per_period;
 	int next_period_byte;
 };
+#define rsnd_io_to_mod_ssi(io)	((io)->mod[RSND_MOD_SSI])
+#define rsnd_io_to_mod_scu(io)	((io)->mod[RSND_MOD_SCU])
 
 struct rsnd_dai {
 	char name[RSND_DAI_NAME_SIZE];
@@ -311,7 +313,7 @@ void rsnd_scu_remove(struct platform_device *pdev,
 		     struct rsnd_priv *priv);
 struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id);
 unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
-				   struct rsnd_mod *ssi_mod,
+				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime);
 
 #define rsnd_scu_nr(priv) ((priv)->scu_nr)
diff --git a/sound/soc/sh/rcar/scu.c b/sound/soc/sh/rcar/scu.c
index 81264ecd82ac..1073d35486e3 100644
--- a/sound/soc/sh/rcar/scu.c
+++ b/sound/soc/sh/rcar/scu.c
@@ -121,7 +121,8 @@ static int rsnd_scu_ssi_mode_init(struct rsnd_mod *mod,
 {
 	struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
 	struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-	int id = rsnd_mod_id(mod);
+	struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
+	int ssi_id = rsnd_mod_id(ssi_mod);
 	u32 convert_rate = rsnd_scu_convert_rate(scu);
 
 	if (convert_rate && !rsnd_dai_is_clk_master(rdai)) {
@@ -134,15 +135,15 @@ static int rsnd_scu_ssi_mode_init(struct rsnd_mod *mod,
 	/*
 	 * SSI_MODE0
 	 */
-	rsnd_mod_bset(mod, SSI_MODE0, (1 << id),
-		      rsnd_scu_hpbif_is_enable(scu) ? 0 : (1 << id));
+	rsnd_mod_bset(mod, SSI_MODE0, (1 << ssi_id),
+		      rsnd_scu_hpbif_is_enable(scu) ? 0 : (1 << ssi_id));
 
 	/*
 	 * SSI_MODE1
 	 */
-	if (rsnd_ssi_is_pin_sharing(rsnd_ssi_mod_get(priv, id))) {
+	if (rsnd_ssi_is_pin_sharing(ssi_mod)) {
 		int shift = -1;
-		switch (id) {
+		switch (ssi_id) {
 		case 1:
 			shift = 0;
 			break;
@@ -165,14 +166,13 @@ static int rsnd_scu_ssi_mode_init(struct rsnd_mod *mod,
 }
 
 unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
-				   struct rsnd_mod *ssi_mod,
+				   struct rsnd_dai_stream *io,
 				   struct snd_pcm_runtime *runtime)
 {
 	struct rsnd_scu *scu;
 	unsigned int rate;
 
-	/* this function is assuming SSI id = SCU id here */
-	scu = rsnd_mod_to_scu(rsnd_scu_mod_get(priv, rsnd_mod_id(ssi_mod)));
+	scu = rsnd_mod_to_scu(rsnd_io_to_mod_scu(io));
 
 	/*
 	 * return convert rate if SRC is used,
@@ -583,8 +583,10 @@ static int rsnd_scu_start_non_gen2(struct rsnd_mod *mod,
 				   struct rsnd_dai *rdai,
 				   struct rsnd_dai_stream *io)
 {
+	struct rsnd_mod *ssi_mod = rsnd_io_to_mod_ssi(io);
+
 	/* enable PIO interrupt */
-	rsnd_mod_write(mod, INT_ENABLE, 0x0f000000);
+	rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
 
 	return 0;
 }
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 480dde5076b7..25a7d441f8fc 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -121,7 +121,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_ssi *ssi,
 		1, 2, 4, 8, 16, 6, 12,
 	};
 	unsigned int main_rate;
-	unsigned int rate = rsnd_scu_get_ssi_rate(priv, &ssi->mod, runtime);
+	unsigned int rate = rsnd_scu_get_ssi_rate(priv, io, runtime);
 
 	/*
 	 * Find best clock, and try to start ADG
-- 
2.1.2