ASoC: WM8804: Use a proper DAI name

Make sure the DAI name does not include a '/' since we might have
per DAI debugfs or sysfs entries in the future.

Signed-off-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8804.c

@@ -669,7 +669,7 @@ static struct snd_soc_dai_ops wm8804_dai_ops = {
 			SNDRV_PCM_FMTBIT_S24_LE)
 
 static struct snd_soc_dai_driver wm8804_dai = {
-	.name = "wm8804-s/pdif",
+	.name = "wm8804-spdif",
 	.playback = {
 		.stream_name = "Playback",
 		.channels_min = 2,