ASoC: soc-card: add snd_soc_card_late_probe()

Card related function should be implemented at soc-card now.
This patch adds it.

card has "card->probe" and "card->late_probe" callbacks,
and "late_probe" callback is called after "probe".
This means, we can set "card->probed" flag afer "late_probe"
for all cases.

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/87v9kgzv4w.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-card.h

@@ -25,6 +25,7 @@ int snd_soc_card_resume_pre(struct snd_soc_card *card);
 int snd_soc_card_resume_post(struct snd_soc_card *card);
 
 int snd_soc_card_probe(struct snd_soc_card *card);
+int snd_soc_card_late_probe(struct snd_soc_card *card);
 
 /* device driver data */
 static inline void snd_soc_card_set_drvdata(struct snd_soc_card *card,

sound/soc/soc-card.c

@@ -142,3 +142,27 @@ int snd_soc_card_probe(struct snd_soc_card *card)
 
 	return 0;
 }
+
+int snd_soc_card_late_probe(struct snd_soc_card *card)
+{
+	if (card->late_probe) {
+		int ret = card->late_probe(card);
+
+		if (ret < 0)
+			return soc_card_ret(card, ret);
+	}
+
+	/*
+	 * It has "card->probe" and "card->late_probe" callbacks,
+	 * and "late_probe" callback is called after "probe".
+	 * This means, we can set "card->probed" flag afer "late_probe"
+	 * for all cases.
+	 *
+	 * see
+	 *	snd_soc_bind_card()
+	 *	snd_soc_card_probe()
+	 */
+	card->probed = 1;
+
+	return 0;
+}

sound/soc/soc-core.c

@@ -1910,15 +1910,9 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 		}
 	}
 
-	if (card->late_probe) {
-		ret = card->late_probe(card);
-		if (ret < 0) {
-			dev_err(card->dev, "ASoC: %s late_probe() failed: %d\n",
-				card->name, ret);
-			goto probe_end;
-		}
-	}
-	card->probed = 1;
+	ret = snd_soc_card_late_probe(card);
+	if (ret < 0)
+		goto probe_end;
 
 	snd_soc_dapm_new_widgets(card);