MFD: twl4030-codec: APLL_INFREQ handling in the MFD driver

Configure the APLL_INFREQ field in the APLL_CTL register
based on the platform data.
Provide also a function for childs to query the audio_mclk
frequency.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/include/linux/mfd/twl4030-codec.h b/include/linux/mfd/twl4030-codec.h
index ef0a304..2ec317c 100644
--- a/include/linux/mfd/twl4030-codec.h
+++ b/include/linux/mfd/twl4030-codec.h
@@ -267,5 +267,6 @@
 
 int twl4030_codec_disable_resource(enum twl4030_codec_res id);
 int twl4030_codec_enable_resource(enum twl4030_codec_res id);
+unsigned int twl4030_codec_get_mclk(void);
 
 #endif	/* End of __TWL4030_CODEC_H__ */