ASoC: mt6351: remove unneeded variable

Reported by Coccinelle:
mt6351.c:1418:5-8: Unneeded variable: "ret". Return "0" on line 1437
Signed-off-by: NPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/codecs/mt6351.c

@@ -1415,8 +1415,6 @@ static const struct snd_soc_dapm_route mt6351_dapm_routes[] = {
 
 static int mt6351_codec_init_reg(struct snd_soc_component *cmpnt)
 {
-	int ret = 0;
-
 	/* Disable CLKSQ 26MHz */
 	regmap_update_bits(cmpnt->regmap, MT6351_TOP_CLKSQ, 0x0001, 0x0);
 	/* disable AUDGLB */
@@ -1434,7 +1432,7 @@ static int mt6351_codec_init_reg(struct snd_soc_component *cmpnt)
 	/* Reverse the PMIC clock*/
 	regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
 			   0x8000, 0x8000);
-	return ret;
+	return 0;
 }
 
 static int mt6351_codec_probe(struct snd_soc_component *cmpnt)