[PATCH v2 03/12] ASoC: sun8i-codec-analog: split out mbias

Icenowy Zheng
2017-03-05T13:37:00Z

Allwinner V3s features an analog codec without MBIAS pin.

Split out this part, in order to prepare for the V3s analog codec.

Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz>
---
sound/soc/sunxi/sun8i-codec-analog.c | 34 +++++++++++++++++++++++++++++-----
1 file changed, 29 insertions(+), 5 deletions(-)

diff --git a/sound/soc/sunxi/sun8i-codec-analog.c b/sound/soc/sunxi/sun8i-codec-analog.c
index 6c17c99c2c8d..af56afe5c403 100644
--- a/sound/soc/sunxi/sun8i-codec-analog.c
+++ b/sound/soc/sunxi/sun8i-codec-analog.c
@@ -289,11 +289,6 @@ static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
/* Microphone input */
SND_SOC_DAPM_INPUT("MIC1"),

- /* Microphone Bias */
- SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
- SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
- 0, NULL, 0),
-
/* Mic input path */
SND_SOC_DAPM_PGA("Mic1 Amplifier", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1AMPEN, 0, NULL, 0),
@@ -453,6 +448,27 @@ static int sun8i_codec_add_headphone(struct snd_soc_component *cmpnt)
return 0;
}

+/* mbias specific widget */
+static const struct snd_soc_dapm_widget sun8i_codec_mbias_widgets[] = {
+ SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
+ SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MMICBIASEN,
+ 0, NULL, 0),
+};
+
+static int sun8i_codec_add_mbias(struct snd_soc_component *cmpnt)
+{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(cmpnt);
+ struct device *dev = cmpnt->dev;
+ int ret;
+
+ ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mbias_widgets,
+ ARRAY_SIZE(sun8i_codec_mbias_widgets));
+ if (ret)
+ dev_err(dev, "Failed to add MBIAS DAPM widgets: %d\n", ret);
+
+ return ret;
+}
+
/* hmic specific widget */
static const struct snd_soc_dapm_widget sun8i_codec_hmic_widgets[] = {
SND_SOC_DAPM_SUPPLY("HBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
@@ -686,12 +702,14 @@ static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
.has_headphone = true,
.has_hmic = true,
.has_linein = true,
+ .has_mbias = true,
.has_mic2 = true,
};

static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
.has_linein = true,
.has_lineout = true,
+ .has_mbias = true,
.has_mic2 = true,
};

@@ -734,6 +752,12 @@ static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
return ret;
}

+ if (quirks->has_mbias) {
+ ret = sun8i_codec_add_mbias(cmpnt);
+ if (ret)
+ return ret;
+ }
+
if (quirks->has_mic2) {
ret = sun8i_codec_add_mic2(cmpnt);
if (ret)
--
2.11.1