ASoC: Initialise dev for the dummy S/PDIF DAI

Also include the header to make sure the DAI is prototyped.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/spdif_transciever.c

@@ -19,10 +19,11 @@
 #include <sound/soc.h>
 #include <sound/pcm.h>
 
+#include "spdif_transciever.h"
+
 #define STUB_RATES	SNDRV_PCM_RATE_8000_96000
 #define STUB_FORMATS	SNDRV_PCM_FMTBIT_S16_LE
 
-
 struct snd_soc_dai dit_stub_dai = {
 	.name		= "DIT",
 	.playback 	= {
@@ -36,6 +37,7 @@ struct snd_soc_dai dit_stub_dai = {
 
 static int spdif_dit_probe(struct platform_device *pdev)
 {
+	dit_stub_dai.dev = &pdev->dev;
 	return snd_soc_register_dai(&dit_stub_dai);
 }