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-rw-r--r--sound/soc/codecs/twl4030.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index efb371f6f01c..23bae74ebf0a 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -491,6 +491,18 @@ static const struct snd_kcontrol_new twl4030_dapm_dbypassr_control =
TWL4030_REG_ATX2ARXPGA, 0, 7, 0,
twl4030_dapm_dbypass_tlv);
+/*
+ * Voice Sidetone GAIN volume control:
+ * from -51 to -10 dB in 1 dB steps (mute instead of -51 dB)
+ */
+static DECLARE_TLV_DB_SCALE(twl4030_dapm_dbypassv_tlv, -5100, 100, 1);
+
+/* Digital bypass voice: sidetone (VUL -> VDL)*/
+static const struct snd_kcontrol_new twl4030_dapm_dbypassv_control =
+ SOC_DAPM_SINGLE_TLV("Volume",
+ TWL4030_REG_VSTPGA, 0, 0x29, 0,
+ twl4030_dapm_dbypassv_tlv);
+
static int micpath_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@@ -607,12 +619,18 @@ static int bypass_event(struct snd_soc_dapm_widget *w,
twl4030->bypass_state |= (1 << 4);
else
twl4030->bypass_state &= ~(1 << 4);
+ } else if (m->reg == TWL4030_REG_VSTPGA) {
+ /* Voice digital bypass */
+ if (reg)
+ twl4030->bypass_state |= (1 << 5);
+ else
+ twl4030->bypass_state &= ~(1 << 5);
} else {
/* Digital bypass */
if (reg & (0x7 << m->shift))
- twl4030->bypass_state |= (1 << (m->shift ? 6 : 5));
+ twl4030->bypass_state |= (1 << (m->shift ? 7 : 6));
else
- twl4030->bypass_state &= ~(1 << (m->shift ? 6 : 5));
+ twl4030->bypass_state &= ~(1 << (m->shift ? 7 : 6));
}
/* Enable master analog loopback mode if any analog switch is enabled*/
@@ -991,6 +1009,9 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_SWITCH_E("Right Digital Loopback", SND_SOC_NOPM, 0, 0,
&twl4030_dapm_dbypassr_control, bypass_event,
SND_SOC_DAPM_POST_REG),
+ SND_SOC_DAPM_SWITCH_E("Voice Digital Loopback", SND_SOC_NOPM, 0, 0,
+ &twl4030_dapm_dbypassv_control, bypass_event,
+ SND_SOC_DAPM_POST_REG),
SND_SOC_DAPM_MIXER("Analog R1 Playback Mixer", TWL4030_REG_AVDAC_CTL,
0, 0, NULL, 0),
@@ -1203,9 +1224,11 @@ static const struct snd_soc_dapm_route intercon[] = {
/* Digital bypass routes */
{"Right Digital Loopback", "Volume", "TX1 Capture Route"},
{"Left Digital Loopback", "Volume", "TX1 Capture Route"},
+ {"Voice Digital Loopback", "Volume", "TX2 Capture Route"},
{"Analog R2 Playback Mixer", NULL, "Right Digital Loopback"},
{"Analog L2 Playback Mixer", NULL, "Left Digital Loopback"},
+ {"Analog Voice Playback Mixer", NULL, "Voice Digital Loopback"},
};