Merge branch 'asoc-4.19' into asoc-4.20 for rcar dep

3 files changed, 28 insertions, 6 deletions

diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index c66b3dade947..299fb457573d 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -955,12 +955,23 @@ static void rsnd_soc_dai_shutdown(struct snd_pcm_substream *substream,
 	rsnd_dai_stream_quit(io);
 }
 
+static int rsnd_soc_dai_prepare(struct snd_pcm_substream *substream,
+				struct snd_soc_dai *dai)
+{
+	struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
+	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
+	struct rsnd_dai_stream *io = rsnd_rdai_to_io(rdai, substream);
+
+	return rsnd_dai_call(prepare, io, priv);
+}
+
 static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.startup	= rsnd_soc_dai_startup,
 	.shutdown	= rsnd_soc_dai_shutdown,
 	.trigger	= rsnd_soc_dai_trigger,
 	.set_fmt	= rsnd_soc_dai_set_fmt,
 	.set_tdm_slot	= rsnd_soc_set_dai_tdm_slot,
+	.prepare	= rsnd_soc_dai_prepare,
 };
 
 void rsnd_parse_connect_common(struct rsnd_dai *rdai,
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 7ff58b0e8002..7a04b19e405c 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -301,6 +301,9 @@ struct rsnd_mod_ops {
 	int (*nolock_stop)(struct rsnd_mod *mod,
 		    struct rsnd_dai_stream *io,
 		    struct rsnd_priv *priv);
+	int (*prepare)(struct rsnd_mod *mod,
+		       struct rsnd_dai_stream *io,
+		       struct rsnd_priv *priv);
 };
 
 struct rsnd_dai_stream;
@@ -330,6 +333,7 @@ struct rsnd_mod {
  * H	0: fallback
  * H	0: hw_params
  * H	0: pointer
+ * H	0: prepare
  */
 #define __rsnd_mod_shift_nolock_start	0
 #define __rsnd_mod_shift_nolock_stop	0
@@ -344,6 +348,7 @@ struct rsnd_mod {
 #define __rsnd_mod_shift_fallback	28 /* always called */
 #define __rsnd_mod_shift_hw_params	28 /* always called */
 #define __rsnd_mod_shift_pointer	28 /* always called */
+#define __rsnd_mod_shift_prepare	28 /* always called */
 
 #define __rsnd_mod_add_probe		0
 #define __rsnd_mod_add_remove		0
@@ -358,6 +363,7 @@ struct rsnd_mod {
 #define __rsnd_mod_add_fallback		0
 #define __rsnd_mod_add_hw_params	0
 #define __rsnd_mod_add_pointer		0
+#define __rsnd_mod_add_prepare		0
 
 #define __rsnd_mod_call_probe		0
 #define __rsnd_mod_call_remove		0
@@ -372,6 +378,7 @@ struct rsnd_mod {
 #define __rsnd_mod_call_pointer		0
 #define __rsnd_mod_call_nolock_start	0
 #define __rsnd_mod_call_nolock_stop	1
+#define __rsnd_mod_call_prepare		0
 
 #define rsnd_mod_to_priv(mod)	((mod)->priv)
 #define rsnd_mod_name(mod)	((mod)->ops->name)
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index 85da4fc82011..3adcc4f778f7 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -306,7 +306,7 @@ static int rsnd_ssi_master_clk_start(struct rsnd_mod *mod,
 	if (rsnd_ssi_is_multi_slave(mod, io))
 		return 0;
 
-	if (ssi->usrcnt > 1) {
+	if (ssi->rate) {
 		if (ssi->rate != rate) {
 			dev_err(dev, "SSI parent/child should use same rate\n");
 			return -EINVAL;
@@ -464,7 +464,6 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
 			 struct rsnd_priv *priv)
 {
 	struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
-	int ret;
 
 	if (!rsnd_ssi_is_run_mods(mod, io))
 		return 0;
@@ -473,10 +472,6 @@ static int rsnd_ssi_init(struct rsnd_mod *mod,
 
 	rsnd_mod_power_on(mod);
 
-	ret = rsnd_ssi_master_clk_start(mod, io);
-	if (ret < 0)
-		return ret;
-
 	rsnd_ssi_config_init(mod, io);
 
 	rsnd_ssi_register_setup(mod);
@@ -872,6 +867,13 @@ static int rsnd_ssi_pio_pointer(struct rsnd_mod *mod,
 	return 0;
 }
 
+static int rsnd_ssi_prepare(struct rsnd_mod *mod,
+			    struct rsnd_dai_stream *io,
+			    struct rsnd_priv *priv)
+{
+	return rsnd_ssi_master_clk_start(mod, io);
+}
+
 static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
 	.name	= SSI_NAME,
 	.probe	= rsnd_ssi_common_probe,
@@ -884,6 +886,7 @@ static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
 	.pointer = rsnd_ssi_pio_pointer,
 	.pcm_new = rsnd_ssi_pcm_new,
 	.hw_params = rsnd_ssi_hw_params,
+	.prepare = rsnd_ssi_prepare,
 };
 
 static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
@@ -959,6 +962,7 @@ static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
 	.pcm_new = rsnd_ssi_pcm_new,
 	.fallback = rsnd_ssi_fallback,
 	.hw_params = rsnd_ssi_hw_params,
+	.prepare = rsnd_ssi_prepare,
 };
 
 int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)