[PATCH 3/4] ASoC: soc-core: soc_find_component() uses snd_soc_dai_link_component

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

soc_find_component() is using "of_node" and "name" to finding component,
but we should use snd_soc_dai_link_component now, because it is created
to such purpose.

This patch uses snd_soc_dai_link_component for soc_find_component().

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 sound/soc/soc-core.c | 45 ++++++++++++++++++++-------------------------
 1 file changed, 20 insertions(+), 25 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e6b95b7..1749f4a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -780,19 +780,15 @@ static int snd_soc_is_matching_component(
 }
 
 static struct snd_soc_component *soc_find_component(
-	struct device_node *of_node, const char *name)
+	const struct snd_soc_dai_link_component *dlc)
 {
 	struct snd_soc_component *component;
-	struct snd_soc_dai_link_component dlc;
 
 	lockdep_assert_held(&client_mutex);
 
-	for_each_component(component) {
-		dlc.name = name;
-		dlc.of_node = of_node;
-		if (snd_soc_is_matching_component(&dlc, component))
+	for_each_component(component)
+		if (snd_soc_is_matching_component(dlc, component))
 			return component;
-	}
 
 	return NULL;
 }
@@ -1106,8 +1102,7 @@ static int soc_init_dai_link(struct snd_soc_card *card,
 		 * added to component list.
 		 */
 		if ((link->platforms->of_node || link->platforms->name) &&
-		    !soc_find_component(link->platforms->of_node,
-					link->platforms->name))
+		    !soc_find_component(link->platforms))
 			return -EPROBE_DEFER;
 	}
 
@@ -1136,7 +1131,7 @@ static int soc_init_dai_link(struct snd_soc_card *card,
 	 * component list.
 	 */
 	if ((link->cpus->of_node || link->cpus->name) &&
-	    !soc_find_component(link->cpus->of_node, link->cpus->name))
+	    !soc_find_component(link->cpus))
 		return -EPROBE_DEFER;
 
 	/*
@@ -1580,23 +1575,23 @@ static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
 {
 	struct snd_soc_aux_dev *aux_dev = &card->aux_dev[num];
 	struct snd_soc_component *component;
-	const char *name;
-	struct device_node *codec_of_node;
+	struct snd_soc_dai_link_component dlc;
 
 	if (aux_dev->codec_of_node || aux_dev->codec_name) {
 		/* codecs, usually analog devices */
-		name = aux_dev->codec_name;
-		codec_of_node = aux_dev->codec_of_node;
-		component = soc_find_component(codec_of_node, name);
+		dlc.name = aux_dev->codec_name;
+		dlc.of_node = aux_dev->codec_of_node;
+		component = soc_find_component(&dlc);
 		if (!component) {
-			if (codec_of_node)
-				name = of_node_full_name(codec_of_node);
+			if (dlc.of_node)
+				dlc.name = of_node_full_name(dlc.of_node);
 			goto err_defer;
 		}
 	} else if (aux_dev->name) {
 		/* generic components */
-		name = aux_dev->name;
-		component = soc_find_component(NULL, name);
+		dlc.name = aux_dev->name;
+		dlc.of_node = NULL;
+		component = soc_find_component(&dlc);
 		if (!component)
 			goto err_defer;
 	} else {
@@ -1610,7 +1605,7 @@ static int soc_bind_aux_dev(struct snd_soc_card *card, int num)
 	return 0;
 
 err_defer:
-	dev_err(card->dev, "ASoC: %s not registered\n", name);
+	dev_err(card->dev, "ASoC: %s not registered\n", dlc.name);
 	return -EPROBE_DEFER;
 }
 
@@ -3661,11 +3656,11 @@ EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
 int snd_soc_get_dai_id(struct device_node *ep)
 {
 	struct snd_soc_component *component;
-	struct device_node *node;
+	struct snd_soc_dai_link_component dlc;
 	int ret;
 
-	node = of_graph_get_port_parent(ep);
-
+	dlc.of_node	= of_graph_get_port_parent(ep);
+	dlc.name	= NULL;
 	/*
 	 * For example HDMI case, HDMI has video/sound port,
 	 * but ALSA SoC needs sound port number only.
@@ -3674,13 +3669,13 @@ int snd_soc_get_dai_id(struct device_node *ep)
 	 */
 	ret = -ENOTSUPP;
 	mutex_lock(&client_mutex);
-	component = soc_find_component(node, NULL);
+	component = soc_find_component(&dlc);
 	if (component &&
 	    component->driver->of_xlate_dai_id)
 		ret = component->driver->of_xlate_dai_id(component, ep);
 	mutex_unlock(&client_mutex);
 
-	of_node_put(node);
+	of_node_put(dlc.of_node);
 
 	return ret;
 }
-- 
2.7.4

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