ASoC: es8328: fix error return code in es8328_codec_probe()

Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/es8328.c

@@ -665,6 +665,7 @@ static int es8328_codec_probe(struct snd_soc_codec *codec)
 	es8328->clk = devm_clk_get(codec->dev, NULL);
 	if (IS_ERR(es8328->clk)) {
 		dev_err(codec->dev, "codec clock missing or invalid\n");
+		ret = PTR_ERR(es8328->clk);
 		goto clk_fail;
 	}