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yaml
---
r: 148245
b: refs/heads/master
c: fcd274a
h: refs/heads/master
i:
  148243: 75e793e
v: v3
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Lopez Cruz, Misael authored and Mark Brown committed May 5, 2009
1 parent a5603be commit 40d1fe7
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Showing 2 changed files with 32 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 4072604b9dd18f25a98cc0f4d3d4553ed1ad4152
refs/heads/master: fcd274a345875b05c348ba19bc6b3dd48ecbb7d0
37 changes: 31 additions & 6 deletions trunk/sound/soc/codecs/twl4030.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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),
Expand Down Expand Up @@ -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);

Expand All @@ -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);
Expand Down Expand Up @@ -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,
Expand All @@ -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,
Expand All @@ -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 */
Expand Down Expand Up @@ -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 */
Expand Down Expand Up @@ -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"},
Expand Down

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