ASoC: soc-pcm: use dpcm_get_be() at dpcm_end_walk_at_be()

dpcm_end_walk_at_be() and dpcm_get_be() are almost same code.
This patch uses dpcm_get_be() from dpcm_end_walk_at_be().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/87d0adbouh.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-pcm.c

@@ -1297,10 +1297,7 @@ static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,
 {
 	struct snd_soc_card *card = widget->dapm->card;
 	struct snd_soc_pcm_runtime *rtd;
-	struct snd_soc_dapm_widget *w;
-	struct snd_soc_dai *dai;
 	int stream;
-	int i;
 
 	/* adjust dir to stream */
 	if (dir == SND_SOC_DAPM_DIR_OUT)
@@ -1308,20 +1305,9 @@ static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,
 	else
 		stream = SNDRV_PCM_STREAM_CAPTURE;
 
-	for_each_card_rtds(card, rtd) {
-		if (!rtd->dai_link->no_pcm)
-			continue;
-
-		w = dai_get_widget(rtd->cpu_dai, stream);
-		if (w == widget)
-			return true;
-
-		for_each_rtd_codec_dai(rtd, i, dai) {
-			w = dai_get_widget(dai, stream);
-			if (w == widget)
+	rtd = dpcm_get_be(card, widget, stream);
+	if (rtd)
 		return true;
-		}
-	}
 
 	return false;
 }