ASoC: simple-card-utils: tidyup asoc_simple_card_parse_convert()

Current simple-card-utils has asoc_simple_card_parse_convert() to parse
convert channel/rate for be_hw_params_fixup.
But, it is parsing from top of node.

If sound card had multi subnode, we need to parse it from each sub node.
This patch tidyup asoc_simple_card_parse_convert() to allow parsing
settings from each node.

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

include/sound/simple_card_utils.h

@@ -116,7 +116,8 @@ int asoc_simple_card_clean_reference(struct snd_soc_card *card);
 
 void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
 				      struct snd_pcm_hw_params *params);
-void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
+void asoc_simple_card_parse_convert(struct device *dev,
+				    struct device_node *np, char *prefix,
 				    struct asoc_simple_card_data *data);
 
 int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,

sound/soc/generic/audio-graph-scu-card.c

@@ -204,7 +204,7 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
 	if (ret < 0)
 		return ret;
 
-	asoc_simple_card_parse_convert(dev, NULL, &priv->adata);
+	asoc_simple_card_parse_convert(dev, node, NULL, &priv->adata);
 
 	/*
 	 * it supports multi CPU, single CODEC only here

sound/soc/generic/simple-card-utils.c

@@ -32,10 +32,11 @@ void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
 }
 EXPORT_SYMBOL_GPL(asoc_simple_card_convert_fixup);
 
-void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
+void asoc_simple_card_parse_convert(struct device *dev,
+				    struct device_node *np,
+				    char *prefix,
 				    struct asoc_simple_card_data *data)
 {
-	struct device_node *np = dev->of_node;
 	char prop[128];
 
 	if (!prefix)

sound/soc/generic/simple-scu-card.c

@@ -202,7 +202,7 @@ static int asoc_simple_card_parse_of(struct simple_card_data *priv)
 	if (ret < 0)
 		return ret;
 
-	asoc_simple_card_parse_convert(dev, PREFIX, &priv->adata);
+	asoc_simple_card_parse_convert(dev, node, PREFIX, &priv->adata);
 
 	/* find 1st codec */
 	np = of_get_child_by_name(node, PREFIX "codec");