ASoC: twl4030: Add pointer to pdata within the private data

Access the pdata via a pointer within the twl4030_priv structure.
In preparation for DeviceTree support.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/twl4030.c

@@ -153,8 +153,7 @@ struct twl4030_priv {
 	u8 predrivel_enabled, predriver_enabled;
 	u8 carkitl_enabled, carkitr_enabled;
 
-	/* Delay needed after enabling the digimic interface */
-	unsigned int digimic_delay;
+	struct twl4030_codec_data *pdata;
 };
 
 /*
@@ -348,7 +347,7 @@ static void twl4030_init_chip(struct snd_soc_codec *codec)
 	if (!pdata)
 		return;
 
-	twl4030->digimic_delay = pdata->digimic_delay;
+	twl4030->pdata = pdata;
 
 	reg = twl4030_read_reg_cache(codec, TWL4030_REG_HS_POPN_SET);
 	reg &= ~TWL4030_RAMP_DELAY;
@@ -749,9 +748,9 @@ static int aif_event(struct snd_soc_dapm_widget *w,
 
 static void headset_ramp(struct snd_soc_codec *codec, int ramp)
 {
-	struct twl4030_codec_data *pdata = codec->dev->platform_data;
 	unsigned char hs_gain, hs_pop;
 	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
+	struct twl4030_codec_data *pdata = twl4030->pdata;
 	/* Base values for ramp delay calculation: 2^19 - 2^26 */
 	unsigned int ramp_base[] = {524288, 1048576, 2097152, 4194304,
 				    8388608, 16777216, 33554432, 67108864};
@@ -864,9 +863,10 @@ static int digimic_event(struct snd_soc_dapm_widget *w,
 		struct snd_kcontrol *kcontrol, int event)
 {
 	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(w->codec);
+	struct twl4030_codec_data *pdata = twl4030->pdata;
 
-	if (twl4030->digimic_delay)
-		twl4030_wait_ms(twl4030->digimic_delay);
+	if (pdata && pdata->digimic_delay)
+		twl4030_wait_ms(pdata->digimic_delay);
 	return 0;
 }
 
@@ -2254,8 +2254,8 @@ static int twl4030_soc_probe(struct snd_soc_codec *codec)
 
 static int twl4030_soc_remove(struct snd_soc_codec *codec)
 {
-	struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
 	struct twl4030_priv *twl4030 = snd_soc_codec_get_drvdata(codec);
+	struct twl4030_codec_data *pdata = twl4030->pdata;
 
 	/* Reset registers to their chip default before leaving */
 	twl4030_reset_registers(codec);