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-rw-r--r--sound/soc/codecs/twl4030.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index 1da46175519..c508344241e 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/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"},