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-rw-r--r--sound/soc/codecs/twl4030.c37
1 files changed, 31 insertions, 6 deletions
diff --git a/sound/soc/codecs/twl4030.c b/sound/soc/codecs/twl4030.c
index efa1a80b806..efb371f6f01 100644
--- a/sound/soc/codecs/twl4030.c
+++ b/sound/soc/codecs/twl4030.c
@@ -468,6 +468,10 @@ static const struct snd_kcontrol_new twl4030_dapm_abypassr2_control =
static const struct snd_kcontrol_new twl4030_dapm_abypassl2_control =
SOC_DAPM_SINGLE("Switch", TWL4030_REG_ARXL2_APGA_CTL, 2, 1, 0);
+/* Analog bypass for Voice */
+static const struct snd_kcontrol_new twl4030_dapm_abypassv_control =
+ SOC_DAPM_SINGLE("Switch", TWL4030_REG_VDL_APGA_CTL, 2, 1, 0);
+
/* Digital bypass gain, 0 mutes the bypass */
static const unsigned int twl4030_dapm_dbypass_tlv[] = {
TLV_DB_RANGE_HEAD(2),
@@ -585,7 +589,7 @@ static int bypass_event(struct snd_soc_dapm_widget *w,
struct soc_mixer_control *m =
(struct soc_mixer_control *)w->kcontrols->private_value;
struct twl4030_priv *twl4030 = w->codec->private_data;
- unsigned char reg;
+ unsigned char reg, misc;
reg = twl4030_read_reg_cache(w->codec, m->reg);
@@ -597,14 +601,28 @@ static int bypass_event(struct snd_soc_dapm_widget *w,
else
twl4030->bypass_state &=
~(1 << (m->reg - TWL4030_REG_ARXL1_APGA_CTL));
+ } else if (m->reg == TWL4030_REG_VDL_APGA_CTL) {
+ /* Analog voice bypass */
+ if (reg & (1 << m->shift))
+ twl4030->bypass_state |= (1 << 4);
+ else
+ twl4030->bypass_state &= ~(1 << 4);
} else {
/* Digital bypass */
if (reg & (0x7 << m->shift))
- twl4030->bypass_state |= (1 << (m->shift ? 5 : 4));
+ twl4030->bypass_state |= (1 << (m->shift ? 6 : 5));
else
- twl4030->bypass_state &= ~(1 << (m->shift ? 5 : 4));
+ twl4030->bypass_state &= ~(1 << (m->shift ? 6 : 5));
}
+ /* Enable master analog loopback mode if any analog switch is enabled*/
+ misc = twl4030_read_reg_cache(w->codec, TWL4030_REG_MISC_SET_1);
+ if (twl4030->bypass_state & 0x1F)
+ misc |= TWL4030_FMLOOP_EN;
+ else
+ misc &= ~TWL4030_FMLOOP_EN;
+ twl4030_write(w->codec, TWL4030_REG_MISC_SET_1, misc);
+
if (w->codec->bias_level == SND_SOC_BIAS_STANDBY) {
if (twl4030->bypass_state)
twl4030_codec_mute(w->codec, 0);
@@ -935,7 +953,7 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_DAC("DAC Left2", "Left Rear Playback",
SND_SOC_NOPM, 0, 0),
SND_SOC_DAPM_DAC("DAC Voice", "Voice Playback",
- TWL4030_REG_AVDAC_CTL, 4, 0),
+ SND_SOC_NOPM, 0, 0),
/* Analog PGAs */
SND_SOC_DAPM_PGA("ARXR1_APGA", TWL4030_REG_ARXR1_APGA_CTL,
@@ -962,6 +980,9 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
SND_SOC_DAPM_SWITCH_E("Left2 Analog Loopback", SND_SOC_NOPM, 0, 0,
&twl4030_dapm_abypassl2_control,
bypass_event, SND_SOC_DAPM_POST_REG),
+ SND_SOC_DAPM_SWITCH_E("Voice Analog Loopback", SND_SOC_NOPM, 0, 0,
+ &twl4030_dapm_abypassv_control,
+ bypass_event, SND_SOC_DAPM_POST_REG),
/* Digital bypasses */
SND_SOC_DAPM_SWITCH_E("Left Digital Loopback", SND_SOC_NOPM, 0, 0,
@@ -979,6 +1000,8 @@ static const struct snd_soc_dapm_widget twl4030_dapm_widgets[] = {
2, 0, NULL, 0),
SND_SOC_DAPM_MIXER("Analog L2 Playback Mixer", TWL4030_REG_AVDAC_CTL,
3, 0, NULL, 0),
+ SND_SOC_DAPM_MIXER("Analog Voice Playback Mixer", TWL4030_REG_AVDAC_CTL,
+ 4, 0, NULL, 0),
/* Output MIXER controls */
/* Earpiece */
@@ -1067,13 +1090,13 @@ static const struct snd_soc_dapm_route intercon[] = {
{"Analog R1 Playback Mixer", NULL, "DAC Right1"},
{"Analog L2 Playback Mixer", NULL, "DAC Left2"},
{"Analog R2 Playback Mixer", NULL, "DAC Right2"},
+ {"Analog Voice Playback Mixer", NULL, "DAC Voice"},
{"ARXL1_APGA", NULL, "Analog L1 Playback Mixer"},
{"ARXR1_APGA", NULL, "Analog R1 Playback Mixer"},
{"ARXL2_APGA", NULL, "Analog L2 Playback Mixer"},
{"ARXR2_APGA", NULL, "Analog R2 Playback Mixer"},
-
- {"VDL_APGA", NULL, "DAC Voice"},
+ {"VDL_APGA", NULL, "Analog Voice Playback Mixer"},
/* Internal playback routings */
/* Earpiece */
@@ -1169,11 +1192,13 @@ static const struct snd_soc_dapm_route intercon[] = {
{"Left1 Analog Loopback", "Switch", "Analog Left Capture Route"},
{"Right2 Analog Loopback", "Switch", "Analog Right Capture Route"},
{"Left2 Analog Loopback", "Switch", "Analog Left Capture Route"},
+ {"Voice Analog Loopback", "Switch", "Analog Left Capture Route"},
{"Analog R1 Playback Mixer", NULL, "Right1 Analog Loopback"},
{"Analog L1 Playback Mixer", NULL, "Left1 Analog Loopback"},
{"Analog R2 Playback Mixer", NULL, "Right2 Analog Loopback"},
{"Analog L2 Playback Mixer", NULL, "Left2 Analog Loopback"},
+ {"Analog Voice Playback Mixer", NULL, "Voice Analog Loopback"},
/* Digital bypass routes */
{"Right Digital Loopback", "Volume", "TX1 Capture Route"},