ASoC: soc-dai: add snd_soc_pcm_dai_probe()

We have 2 type of component functions
snd_soc_dai_xxx()     is focusing to dai itself,
snd_soc_pcm_dai_xxx() is focusing to rtd related dai.

Now we can update snd_soc_dai_probe() to
snd_soc_pcm_dai_probe(). This patch do it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-By: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87sggtssjg.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-dai.h

@@ -158,12 +158,12 @@ snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
 				    struct snd_pcm_substream *substream);
 void snd_soc_dai_suspend(struct snd_soc_dai *dai);
 void snd_soc_dai_resume(struct snd_soc_dai *dai);
-int snd_soc_dai_probe(struct snd_soc_dai *dai);
 int snd_soc_dai_remove(struct snd_soc_dai *dai);
 int snd_soc_dai_compress_new(struct snd_soc_dai *dai,
 			     struct snd_soc_pcm_runtime *rtd, int num);
 bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int stream);
 
+int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order);
 int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd);
 int snd_soc_pcm_dai_prepare(struct snd_pcm_substream *substream);
 int snd_soc_pcm_dai_trigger(struct snd_pcm_substream *substream, int cmd);

sound/soc/soc-core.c

@@ -1273,26 +1273,6 @@ static void soc_remove_dai(struct snd_soc_dai *dai, int order)
 	dai->probed = 0;
 }
 
-static int soc_probe_dai(struct snd_soc_dai *dai, int order)
-{
-	int ret;
-
-	if (dai->probed ||
-	    dai->driver->probe_order != order)
-		return 0;
-
-	ret = snd_soc_dai_probe(dai);
-	if (ret < 0) {
-		dev_err(dai->dev, "ASoC: failed to probe DAI %s: %d\n",
-			dai->name, ret);
-		return ret;
-	}
-
-	dai->probed = 1;
-
-	return 0;
-}
-
 static void soc_remove_link_dais(struct snd_soc_card *card)
 {
 	int i;
@@ -1311,9 +1291,8 @@ static void soc_remove_link_dais(struct snd_soc_card *card)
 
 static int soc_probe_link_dais(struct snd_soc_card *card)
 {
-	struct snd_soc_dai *dai;
 	struct snd_soc_pcm_runtime *rtd;
-	int i, order, ret;
+	int order, ret;
 
 	for_each_comp_order(order) {
 		for_each_card_rtds(card, rtd) {
@@ -1322,14 +1301,12 @@ static int soc_probe_link_dais(struct snd_soc_card *card)
 				"ASoC: probe %s dai link %d late %d\n",
 				card->name, rtd->num, order);
 
-			/* probe the CPU DAI */
-			for_each_rtd_dais(rtd, i, dai) {
-				ret = soc_probe_dai(dai, order);
+			/* probe all rtd connected DAIs in good order */
+			ret = snd_soc_pcm_dai_probe(rtd, order);
 			if (ret)
 				return ret;
 		}
 	}
-	}
 
 	return 0;
 }

sound/soc/soc-dai.c

@@ -366,16 +366,6 @@ snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
 	return delay;
 }
 
-int snd_soc_dai_probe(struct snd_soc_dai *dai)
-{
-	int ret = 0;
-
-	if (dai->driver->probe)
-		ret = dai->driver->probe(dai);
-
-	return soc_dai_ret(dai, ret);
-}
-
 int snd_soc_dai_remove(struct snd_soc_dai *dai)
 {
 	int ret = 0;
@@ -408,6 +398,28 @@ bool snd_soc_dai_stream_valid(struct snd_soc_dai *dai, int dir)
 	return stream->channels_min;
 }
 
+int snd_soc_pcm_dai_probe(struct snd_soc_pcm_runtime *rtd, int order)
+{
+	struct snd_soc_dai *dai;
+	int i;
+
+	for_each_rtd_dais(rtd, i, dai) {
+		if (dai->driver->probe_order != order)
+			continue;
+
+		if (dai->driver->probe) {
+			int ret = dai->driver->probe(dai);
+
+			if (ret < 0)
+				return soc_dai_ret(dai, ret);
+		}
+
+		dai->probed = 1;
+	}
+
+	return 0;
+}
+
 int snd_soc_pcm_dai_new(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dai *dai;