ALSA: ASoC: Convert ak4535 to a new-style i2c driver

Convert the ak4535 codec driver to the new (standard) device driver
binding model. After this change, AK4535 devices are no longer
discovered automatically and must instead be instantiated explicitly.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/codecs/ak4535.h b/sound/soc/codecs/ak4535.h
index e9fe30e..c7a5870 100644
--- a/sound/soc/codecs/ak4535.h
+++ b/sound/soc/codecs/ak4535.h
@@ -37,6 +37,7 @@
 #define AK4535_CACHEREGNUM 	0x10
 
 struct ak4535_setup_data {
+	int            i2c_bus;
 	unsigned short i2c_address;
 };