ASoC: pcm512x: Split out bus drivers

Move to the new style of defining the bus interfaces in separate modules
in order to simplify dependencies.

Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/sound/soc/codecs/pcm512x.h b/sound/soc/codecs/pcm512x.h
index ac4a52c9ccf4..6ee76aaca09a 100644
--- a/sound/soc/codecs/pcm512x.h
+++ b/sound/soc/codecs/pcm512x.h
@@ -17,6 +17,9 @@
 #ifndef _SND_SOC_PCM512X
 #define _SND_SOC_PCM512X
 
+#include <linux/pm.h>
+#include <linux/regmap.h>
+
 #define PCM512x_VIRT_BASE 0x100
 #define PCM512x_PAGE_LEN  0x100
 #define PCM512x_PAGE_BASE(n)  (PCM512x_VIRT_BASE + (PCM512x_PAGE_LEN * n))
@@ -159,4 +162,10 @@
 #define PCM512x_AGBR_SHIFT 0
 #define PCM512x_AGBL_SHIFT 4
 
+extern const struct dev_pm_ops pcm512x_pm_ops;
+extern const struct regmap_config pcm512x_regmap;
+
+int pcm512x_probe(struct device *dev, struct regmap *regmap);
+void pcm512x_remove(struct device *dev);
+
 #endif