mfd: mfd_cell is now implicitly available to twl4030 drivers

The cell's platform_data is now accessed with a helper function;
change clients to use that, and remove the now-unused data_size.

Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

sound/soc/codecs/twl4030.c

@@ -26,6 +26,7 @@
 #include <linux/pm.h>
 #include <linux/i2c.h>
 #include <linux/platform_device.h>
+#include <linux/mfd/core.h>
 #include <linux/i2c/twl.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -732,7 +733,8 @@ static int aif_event(struct snd_soc_dapm_widget *w,
 
 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
 {
-	struct twl4030_codec_audio_data *pdata = codec->dev->platform_data;
+	struct twl4030_codec_audio_data *pdata =
+			mfd_get_data(to_platform_device(codec->dev));
 	unsigned char hs_gain, hs_pop;
 	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
 	/* Base values for ramp delay calculation: 2^19 - 2^26 */
@@ -2297,7 +2299,7 @@ static struct snd_soc_codec_driver soc_codec_dev_twl4030 = {
 
 static int __devinit twl4030_codec_probe(struct platform_device *pdev)
 {
-	struct twl4030_codec_audio_data *pdata = pdev->dev.platform_data;
+	struct twl4030_codec_audio_data *pdata = mfd_get_data(pdev);
 
 	if (!pdata) {
 		dev_err(&pdev->dev, "platform_data is missing\n");