Allwinner V3s has an analog codec without MIC2 and Line In, which will
need a special set of mixer controls/widgets/routes, otherwise meaningless
controls will be exported to userspace and confuse the user.
Add the special set, and use it when the SoC has no MIC2 and Line In.
Signed-off-by: Icenowy Zheng <icen...@aosc.io>
---
New patch in v3.
sound/soc/sunxi/sun8i-codec-analog.c | 97 +++++++++++++++++++++++++++++++++++-
1 file changed, 96 insertions(+), 1 deletion(-)
diff --git a/sound/soc/sunxi/sun8i-codec-analog.c
b/sound/soc/sunxi/sun8i-codec-analog.c
index edcc3eb7cd9a..4c34a12b3739 100644
--- a/sound/soc/sunxi/sun8i-codec-analog.c
+++ b/sound/soc/sunxi/sun8i-codec-analog.c
@@ -219,6 +219,22 @@ static const struct snd_kcontrol_new
sun8i_codec_mixer_controls[] = {
SUN8I_ADDA_LOMIXSC_MIC2, 1, 0),
};
+/* mixer controls */
+static const struct snd_kcontrol_new sun8i_v3s_codec_mixer_controls[] = {
+ SOC_DAPM_DOUBLE_R("DAC Playback Switch",
+ SUN8I_ADDA_LOMIXSC,
+ SUN8I_ADDA_ROMIXSC,
+ SUN8I_ADDA_LOMIXSC_DACL, 1, 0),
+ SOC_DAPM_DOUBLE_R("DAC Reversed Playback Switch",
+ SUN8I_ADDA_LOMIXSC,
+ SUN8I_ADDA_ROMIXSC,
+ SUN8I_ADDA_LOMIXSC_DACR, 1, 0),
+ SOC_DAPM_DOUBLE_R("Mic1 Playback Switch",
+ SUN8I_ADDA_LOMIXSC,
+ SUN8I_ADDA_ROMIXSC,
+ SUN8I_ADDA_LOMIXSC_MIC1, 1, 0),
+};
+
/* ADC mixer controls */
static const struct snd_kcontrol_new sun8i_codec_adc_mixer_controls[] = {
SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
@@ -243,6 +259,22 @@ static const struct snd_kcontrol_new
sun8i_codec_adc_mixer_controls[] = {
SUN8I_ADDA_LADCMIXSC_MIC2, 1, 0),
};
+/* ADC mixer controls */
+static const struct snd_kcontrol_new sun8i_v3s_codec_adc_mixer_controls[] = {
+ SOC_DAPM_DOUBLE_R("Mixer Capture Switch",
+ SUN8I_ADDA_LADCMIXSC,
+ SUN8I_ADDA_RADCMIXSC,
+ SUN8I_ADDA_LADCMIXSC_OMIXRL, 1, 0),
+ SOC_DAPM_DOUBLE_R("Mixer Reversed Capture Switch",
+ SUN8I_ADDA_LADCMIXSC,
+ SUN8I_ADDA_RADCMIXSC,
+ SUN8I_ADDA_LADCMIXSC_OMIXRR, 1, 0),
+ SOC_DAPM_DOUBLE_R("Mic1 Capture Switch",
+ SUN8I_ADDA_LADCMIXSC,
+ SUN8I_ADDA_RADCMIXSC,
+ SUN8I_ADDA_LADCMIXSC_MIC1, 1, 0),
+};
+
/* volume / mute controls */
static const DECLARE_TLV_DB_SCALE(sun8i_codec_out_mixer_pregain_scale,
-450, 150, 0);
@@ -292,8 +324,9 @@ static const struct snd_soc_dapm_widget
sun8i_codec_common_widgets[] = {
/* Mic input path */
SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
+};
- /* Mixers */
+static const struct snd_soc_dapm_widget sun8i_codec_mixer_widgets[] = {
SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
sun8i_codec_mixer_controls,
@@ -312,10 +345,31 @@ static const struct snd_soc_dapm_widget
sun8i_codec_common_widgets[] = {
ARRAY_SIZE(sun8i_codec_adc_mixer_controls)),
};
+static const struct snd_soc_dapm_widget sun8i_v3s_codec_mixer_widgets[] = {
+ SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
+ SUN8I_ADDA_DAC_PA_SRC_LMIXEN, 0,
+ sun8i_v3s_codec_mixer_controls,
+ ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right Mixer", SUN8I_ADDA_DAC_PA_SRC,
+ SUN8I_ADDA_DAC_PA_SRC_RMIXEN, 0,
+ sun8i_v3s_codec_mixer_controls,
+ ARRAY_SIZE(sun8i_v3s_codec_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Left ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+ SUN8I_ADDA_ADC_AP_EN_ADCLEN, 0,
+ sun8i_v3s_codec_adc_mixer_controls,
+ ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
+ SND_SOC_DAPM_MIXER("Right ADC Mixer", SUN8I_ADDA_ADC_AP_EN,
+ SUN8I_ADDA_ADC_AP_EN_ADCREN, 0,
+ sun8i_v3s_codec_adc_mixer_controls,
+ ARRAY_SIZE(sun8i_v3s_codec_adc_mixer_controls)),
+};
+
static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
/* Microphone Routes */
{ "Mic1 Amplifier", NULL, "MIC1"},
+};
+static const struct snd_soc_dapm_route sun8i_codec_mixer_routes[] = {
/* Left Mixer Routes */
{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
@@ -714,6 +768,46 @@ static const struct sun8i_codec_analog_quirks
sun8i_h3_quirks = {
.has_mic2 = true,
};
+static int sun8i_codec_analog_add_mixer(struct snd_soc_component *cmpnt,
+ const struct sun8i_codec_analog_quirks
*quirks)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+ struct device *dev = cmpnt->dev;
+ int ret;
+
+ if (!quirks->has_mic2 && !quirks->has_linein) {
+ /*
+ * Apply the special widget set which has uses a control
+ * without MIC2 and Line In, for SoCs without these (V3s).
+ */
+ ret = snd_soc_dapm_new_controls(dapm,
+ sun8i_v3s_codec_mixer_widgets,
+
ARRAY_SIZE(sun8i_v3s_codec_mixer_widgets));
+ if (ret) {
+ dev_err(dev, "Failed to add V3s Mixer DAPM widgets:
%d\n", ret);
+ return ret;
+ }
+ } else {
+ /* Apply the generic mixer widget set. */
+ ret = snd_soc_dapm_new_controls(dapm,
+ sun8i_codec_mixer_widgets,
+
ARRAY_SIZE(sun8i_codec_mixer_widgets));
+ if (ret) {
+ dev_err(dev, "Failed to add Mixer DAPM widgets: %d\n",
ret);
+ return ret;
+ }
+ }
+
+ ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mixer_routes,
+ ARRAY_SIZE(sun8i_codec_mixer_routes));
+ if (ret) {
+ dev_err(dev, "Failed to add Mixer DAPM routes: %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
{
struct device *dev = cmpnt->dev;
@@ -728,6 +822,7 @@ static int sun8i_codec_analog_cmpnt_probe(struct
snd_soc_component *cmpnt)
quirks = of_device_get_match_data(dev);
/* Add controls, widgets, and routes for individual features */
+ sun8i_codec_analog_add_mixer(cmpnt, quirks);
if (quirks->has_headphone) {
ret = sun8i_codec_add_headphone(cmpnt);
--
2.12.2
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