ASoC: atmel_ssc_dai: Remove the unneeded result variable

Return the value from asoc_ssc_init() directly instead of storing it
in another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/20220823075335.209072-1-ye.xingchen@zte.com.cnSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/atmel/atmel_ssc_dai.c

@@ -891,7 +891,6 @@ static int asoc_ssc_init(struct device *dev)
 int atmel_ssc_set_audio(int ssc_id)
 {
 	struct ssc_device *ssc;
-	int ret;
 
 	/* If we can grab the SSC briefly to parent the DAI device off it */
 	ssc = ssc_request(ssc_id);
@@ -903,9 +902,7 @@ int atmel_ssc_set_audio(int ssc_id)
 		ssc_info[ssc_id].ssc = ssc;
 	}
 
-	ret = asoc_ssc_init(&ssc->pdev->dev);
-
-	return ret;
+	return asoc_ssc_init(&ssc->pdev->dev);
 }
 EXPORT_SYMBOL_GPL(atmel_ssc_set_audio);