ASoC: soc-dai: add snd_soc_dai_delay()

Current ALSA SoC is directly using dai->driver->ops->xxx,
thus, it has deep nested bracket, and it makes code unreadable.
This patch adds new snd_soc_dai_delay() and use it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87o91mhn3i.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/soc-dai.c b/sound/soc/soc-dai.c
index 6f466cf..5b5b979 100644
--- a/sound/soc/soc-dai.c
+++ b/sound/soc/soc-dai.c
@@ -342,3 +342,14 @@ int snd_soc_dai_bespoke_trigger(struct snd_soc_dai *dai,
 
 	return ret;
 }
+
+snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
+				    struct snd_pcm_substream *substream)
+{
+	int delay = 0;
+
+	if (dai->driver->ops->delay)
+		delay = dai->driver->ops->delay(substream, dai);
+
+	return delay;
+}