ASoC: soc-pcm: add soc_rtd_startup()

Add soc_rtd_startup() to make the code easier to read
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878sm0mia4.wl-kuninori.morimoto.gx@renesas.comReviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-pcm.c

@@ -28,6 +28,15 @@
 
 #define DPCM_MAX_BE_USERS	8
 
+static int soc_rtd_startup(struct snd_soc_pcm_runtime *rtd,
+			   struct snd_pcm_substream *substream)
+{
+	if (rtd->dai_link->ops &&
+	    rtd->dai_link->ops->startup)
+		return rtd->dai_link->ops->startup(substream);
+	return 0;
+}
+
 /**
  * snd_soc_runtime_activate() - Increment active count for PCM runtime components
  * @rtd: ASoC PCM runtime that is activated
@@ -522,13 +531,11 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 			codec_dai->rx_mask = 0;
 	}
 
-	if (rtd->dai_link->ops->startup) {
-		ret = rtd->dai_link->ops->startup(substream);
-		if (ret < 0) {
-			pr_err("ASoC: %s startup failed: %d\n",
-			       rtd->dai_link->name, ret);
-			goto machine_err;
-		}
+	ret = soc_rtd_startup(rtd, substream);
+	if (ret < 0) {
+		pr_err("ASoC: %s startup failed: %d\n",
+		       rtd->dai_link->name, ret);
+		goto machine_err;
 	}
 
 	/* Dynamic PCM DAI links compat checks use dynamic capabilities */