[ALSA] fix private data pointer calculation in CS4270 driver

Fix the calculation of the private_data pointer in the CS4270 driver.
Signed-off-by: NTimur Tabi <timur@freescale.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@perex.cz>

sound/soc/codecs/cs4270.c

@@ -725,7 +725,8 @@ static int cs4270_probe(struct platform_device *pdev)
 	codec->owner = THIS_MODULE;
 	codec->dai = &cs4270_dai;
 	codec->num_dai = 1;
-	codec->private_data = codec + ALIGN(sizeof(struct snd_soc_codec), 4);
+	codec->private_data = (void *) codec +
+		ALIGN(sizeof(struct snd_soc_codec), 4);
 
 	socdev->codec = codec;