ASoC: sun8i-codec-analog: split out mbias

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>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 30 insertions, 5 deletions

diff --git a/sound/soc/sunxi/sun8i-codec-analog.c b/sound/soc/sunxi/sun8i-codec-analog.c
index 6c17c99c2c8d..edcc3eb7cd9a 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,
@@ -679,6 +695,7 @@ struct sun8i_codec_analog_quirks {
         bool has_hmic;
         bool has_linein;
         bool has_lineout;
+        bool has_mbias;
         bool has_mic2;
 };
 
@@ -686,12 +703,14 @@ 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 +753,12 @@ 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)