ASoC: rt1011: improve the rt1011_set_dai_fmt() function

If there is a wrong format setting,
the driver will goto the end of the function directly.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191031115414.20951-1-shumingf@realtek.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt1011.c

@@ -1631,6 +1631,7 @@ static int rt1011_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		break;
 	default:
 		ret = -EINVAL;
+		goto _set_fmt_err_;
 	}
 
 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
@@ -1641,6 +1642,7 @@ static int rt1011_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		break;
 	default:
 		ret = -EINVAL;
+		goto _set_fmt_err_;
 	}
 
 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
@@ -1657,6 +1659,7 @@ static int rt1011_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		break;
 	default:
 		ret = -EINVAL;
+		goto _set_fmt_err_;
 	}
 
 	switch (dai->id) {
@@ -1674,6 +1677,7 @@ static int rt1011_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 		ret = -EINVAL;
 	}
 
+_set_fmt_err_:
 	snd_soc_dapm_mutex_unlock(dapm);
 	return ret;
 }