ASoC: TWL4030: DAPM mapping of the PreDriv outputs

Adds DAPM muxing, routing for the PreDrive outputs.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/twl4030.c

@@ -203,6 +203,32 @@ static const struct soc_enum twl4030_earpiece_enum =
 static const struct snd_kcontrol_new twl4030_dapm_earpiece_control =
 SOC_DAPM_ENUM("Route", twl4030_earpiece_enum);
 
+/* PreDrive Left */
+static const char *twl4030_predrivel_texts[] =
+		{"Off", "DACL1", "DACL2", "Invalid",
+		"DACR2"};
+
+static const struct soc_enum twl4030_predrivel_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_PREDL_CTL, 1,
+			ARRAY_SIZE(twl4030_predrivel_texts),
+			twl4030_predrivel_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_predrivel_control =
+SOC_DAPM_ENUM("Route", twl4030_predrivel_enum);
+
+/* PreDrive Right */
+static const char *twl4030_predriver_texts[] =
+		{"Off", "DACR1", "DACR2", "Invalid",
+		"DACL2"};
+
+static const struct soc_enum twl4030_predriver_enum =
+	SOC_ENUM_SINGLE(TWL4030_REG_PREDR_CTL, 1,
+			ARRAY_SIZE(twl4030_predriver_texts),
+			twl4030_predriver_texts);
+
+static const struct snd_kcontrol_new twl4030_dapm_predriver_control =
+SOC_DAPM_ENUM("Route", twl4030_predriver_enum);
+
 static int outmixer_event(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *kcontrol, int event)
 {
@@ -659,6 +685,8 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
 	SND_SOC_DAPM_OUTPUT("OUTL"),
 	SND_SOC_DAPM_OUTPUT("OUTR"),
 	SND_SOC_DAPM_OUTPUT("EARPIECE"),
+	SND_SOC_DAPM_OUTPUT("PREDRIVEL"),
+	SND_SOC_DAPM_OUTPUT("PREDRIVER"),
 
 	/* DACs */
 	SND_SOC_DAPM_DAC("DACR1", "Right Front Playback",
@@ -685,6 +713,13 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
 	SND_SOC_DAPM_MUX_E("Earpiece Mux", SND_SOC_NOPM, 0, 0,
 		&twl4030_dapm_earpiece_control, outmixer_event,
 		SND_SOC_DAPM_PRE_REG),
+	/* PreDrivL/R */
+	SND_SOC_DAPM_MUX_E("PredriveL Mux", SND_SOC_NOPM, 0, 0,
+		&twl4030_dapm_predrivel_control, outmixer_event,
+		SND_SOC_DAPM_PRE_REG),
+	SND_SOC_DAPM_MUX_E("PredriveR Mux", SND_SOC_NOPM, 0, 0,
+		&twl4030_dapm_predriver_control, outmixer_event,
+		SND_SOC_DAPM_PRE_REG),
 
 	SND_SOC_DAPM_ADC("ADCL", "Left Capture", SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_ADC("ADCR", "Right Capture", SND_SOC_NOPM, 0, 0),
@@ -701,11 +736,21 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"Earpiece Mux", "DACL1", "ARXL1_APGA"},
 	{"Earpiece Mux", "DACL2", "ARXL2_APGA"},
 	{"Earpiece Mux", "DACR1", "ARXR1_APGA"},
+	/* PreDrivL */
+	{"PredriveL Mux", "DACL1", "ARXL1_APGA"},
+	{"PredriveL Mux", "DACL2", "ARXL2_APGA"},
+	{"PredriveL Mux", "DACR2", "ARXR2_APGA"},
+	/* PreDrivR */
+	{"PredriveR Mux", "DACR1", "ARXR1_APGA"},
+	{"PredriveR Mux", "DACR2", "ARXR2_APGA"},
+	{"PredriveR Mux", "DACL2", "ARXL2_APGA"},
 
 	/* outputs */
 	{"OUTL", NULL, "ARXL2_APGA"},
 	{"OUTR", NULL, "ARXR2_APGA"},
 	{"EARPIECE", NULL, "Earpiece Mux"},
+	{"PREDRIVEL", NULL, "PredriveL Mux"},
+	{"PREDRIVER", NULL, "PredriveR Mux"},
 
 	/* inputs */
 	{"ADCL", NULL, "INL"},