ASoC: soc-dai: add snd_soc_dai_resume()

Current ALSA SoC is directly using dai->driver->xxx,
thus, it has deep nested bracket, and it makes code unreadable.
This patch adds new snd_soc_dai_resume() and use it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87lfwqhn2j.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-dai.h

@@ -163,6 +163,7 @@ int snd_soc_dai_bespoke_trigger(struct snd_soc_dai *dai,
 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);
 
 struct snd_soc_dai_ops {
 	/*

sound/soc/soc-core.c

@@ -631,8 +631,8 @@ static void soc_resume_deferred(struct work_struct *work)
 		if (rtd->dai_link->ignore_suspend)
 			continue;
 
-		if (cpu_dai->driver->resume && cpu_dai->driver->bus_control)
-			cpu_dai->driver->resume(cpu_dai);
+		if (cpu_dai->driver->bus_control)
+			snd_soc_dai_resume(cpu_dai);
 	}
 
 	for_each_card_components(card, component) {
@@ -678,8 +678,8 @@ static void soc_resume_deferred(struct work_struct *work)
 		if (rtd->dai_link->ignore_suspend)
 			continue;
 
-		if (cpu_dai->driver->resume && !cpu_dai->driver->bus_control)
-			cpu_dai->driver->resume(cpu_dai);
+		if (!cpu_dai->driver->bus_control)
+			snd_soc_dai_resume(cpu_dai);
 	}
 
 	if (card->resume_post)

sound/soc/soc-dai.c

@@ -359,3 +359,9 @@ void snd_soc_dai_suspend(struct snd_soc_dai *dai)
 	if (dai->driver->suspend)
 		dai->driver->suspend(dai);
 }
+
+void snd_soc_dai_resume(struct snd_soc_dai *dai)
+{
+	if (dai->driver->resume)
+		dai->driver->resume(dai);
+}