Applied "ASoC: sun8i-codec-analog: split out mic2" to the asoc tree

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The patch

   ASoC: sun8i-codec-analog: split out mic2

has been applied to the asoc tree at

   git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git 

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.  

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and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

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Thanks,
Mark

>From 3f48947d56ff3e42e2e490714025e984af817f5d Mon Sep 17 00:00:00 2001
From: Icenowy Zheng <icenowy@xxxxxxxx>
Date: Sun, 5 Mar 2017 21:36:58 +0800
Subject: [PATCH] ASoC: sun8i-codec-analog: split out mic2

Allwinner V3s features an analog codec without MIC2.

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

Signed-off-by: Icenowy Zheng <icenowy@xxxxxxxx>
Acked-by: Chen-Yu Tsai <wens@xxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/sunxi/sun8i-codec-analog.c | 92 +++++++++++++++++++++++++++++-------
 1 file changed, 76 insertions(+), 16 deletions(-)

diff --git a/sound/soc/sunxi/sun8i-codec-analog.c b/sound/soc/sunxi/sun8i-codec-analog.c
index 72331332b72e..b95ff045cd7f 100644
--- a/sound/soc/sunxi/sun8i-codec-analog.c
+++ b/sound/soc/sunxi/sun8i-codec-analog.c
@@ -259,17 +259,11 @@ static const struct snd_kcontrol_new sun8i_codec_common_controls[] = {
 	SOC_SINGLE_TLV("Mic1 Playback Volume", SUN8I_ADDA_MICIN_GCTRL,
 		       SUN8I_ADDA_MICIN_GCTRL_MIC1G,
 		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
-	SOC_SINGLE_TLV("Mic2 Playback Volume",
-		       SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
-		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
 
-	/* Microphone Amp boost gains */
+	/* Microphone Amp boost gain */
 	SOC_SINGLE_TLV("Mic1 Boost Volume", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
 		       SUN8I_ADDA_MIC1G_MICBIAS_CTRL_MIC1BOOST, 0x7, 0,
 		       sun8i_codec_mic_gain_scale),
-	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
-		       SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
-		       sun8i_codec_mic_gain_scale),
 
 	/* ADC */
 	SOC_SINGLE_TLV("ADC Gain Capture Volume", SUN8I_ADDA_ADC_AP_EN,
@@ -298,9 +292,8 @@ static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
 	/* Line In */
 	SND_SOC_DAPM_INPUT("LINEIN"),
 
-	/* Microphone inputs */
+	/* Microphone input */
 	SND_SOC_DAPM_INPUT("MIC1"),
-	SND_SOC_DAPM_INPUT("MIC2"),
 
 	/* Microphone Bias */
 	SND_SOC_DAPM_SUPPLY("MBIAS", SUN8I_ADDA_MIC1G_MICBIAS_CTRL,
@@ -310,8 +303,6 @@ 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),
-	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
-			 SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
 
 	/* Mixers */
 	SND_SOC_DAPM_MIXER("Left Mixer", SUN8I_ADDA_DAC_PA_SRC,
@@ -335,35 +326,30 @@ static const struct snd_soc_dapm_widget sun8i_codec_common_widgets[] = {
 static const struct snd_soc_dapm_route sun8i_codec_common_routes[] = {
 	/* Microphone Routes */
 	{ "Mic1 Amplifier", NULL, "MIC1"},
-	{ "Mic2 Amplifier", NULL, "MIC2"},
 
 	/* Left Mixer Routes */
 	{ "Left Mixer", "DAC Playback Switch", "Left DAC" },
 	{ "Left Mixer", "DAC Reversed Playback Switch", "Right DAC" },
 	{ "Left Mixer", "Line In Playback Switch", "LINEIN" },
 	{ "Left Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
-	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
 
 	/* Right Mixer Routes */
 	{ "Right Mixer", "DAC Playback Switch", "Right DAC" },
 	{ "Right Mixer", "DAC Reversed Playback Switch", "Left DAC" },
 	{ "Right Mixer", "Line In Playback Switch", "LINEIN" },
 	{ "Right Mixer", "Mic1 Playback Switch", "Mic1 Amplifier" },
-	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
 
 	/* Left ADC Mixer Routes */
 	{ "Left ADC Mixer", "Mixer Capture Switch", "Left Mixer" },
 	{ "Left ADC Mixer", "Mixer Reversed Capture Switch", "Right Mixer" },
 	{ "Left ADC Mixer", "Line In Capture Switch", "LINEIN" },
 	{ "Left ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
-	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
 
 	/* Right ADC Mixer Routes */
 	{ "Right ADC Mixer", "Mixer Capture Switch", "Right Mixer" },
 	{ "Right ADC Mixer", "Mixer Reversed Capture Switch", "Left Mixer" },
 	{ "Right ADC Mixer", "Line In Capture Switch", "LINEIN" },
 	{ "Right ADC Mixer", "Mic1 Capture Switch", "Mic1 Amplifier" },
-	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
 
 	/* ADC Routes */
 	{ "Left ADC", NULL, "Left ADC Mixer" },
@@ -578,19 +564,87 @@ static int sun8i_codec_add_lineout(struct snd_soc_component *cmpnt)
 	return 0;
 }
 
+/* mic2 specific controls, widgets and routes */
+static const struct snd_kcontrol_new sun8i_codec_mic2_controls[] = {
+	/* Mixer pre-gain */
+	SOC_SINGLE_TLV("Mic2 Playback Volume",
+		       SUN8I_ADDA_MICIN_GCTRL, SUN8I_ADDA_MICIN_GCTRL_MIC2G,
+		       0x7, 0, sun8i_codec_out_mixer_pregain_scale),
+
+	/* Microphone Amp boost gain */
+	SOC_SINGLE_TLV("Mic2 Boost Volume", SUN8I_ADDA_MIC2G_CTRL,
+		       SUN8I_ADDA_MIC2G_CTRL_MIC2BOOST, 0x7, 0,
+		       sun8i_codec_mic_gain_scale),
+};
+
+static const struct snd_soc_dapm_widget sun8i_codec_mic2_widgets[] = {
+	/* Microphone input */
+	SND_SOC_DAPM_INPUT("MIC2"),
+
+	/* Mic input path */
+	SND_SOC_DAPM_PGA("Mic2 Amplifier", SUN8I_ADDA_MIC2G_CTRL,
+			 SUN8I_ADDA_MIC2G_CTRL_MIC2AMPEN, 0, NULL, 0),
+};
+
+static const struct snd_soc_dapm_route sun8i_codec_mic2_routes[] = {
+	{ "Mic2 Amplifier", NULL, "MIC2"},
+
+	{ "Left Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	{ "Right Mixer", "Mic2 Playback Switch", "Mic2 Amplifier" },
+
+	{ "Left ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+
+	{ "Right ADC Mixer", "Mic2 Capture Switch", "Mic2 Amplifier" },
+};
+
+static int sun8i_codec_add_mic2(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_add_component_controls(cmpnt,
+					     sun8i_codec_mic2_controls,
+					     ARRAY_SIZE(sun8i_codec_mic2_controls));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 controls: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(dapm, sun8i_codec_mic2_widgets,
+					ARRAY_SIZE(sun8i_codec_mic2_widgets));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 DAPM widgets: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(dapm, sun8i_codec_mic2_routes,
+				      ARRAY_SIZE(sun8i_codec_mic2_routes));
+	if (ret) {
+		dev_err(dev, "Failed to add MIC2 DAPM routes: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 struct sun8i_codec_analog_quirks {
 	bool has_headphone;
 	bool has_hmic;
 	bool has_lineout;
+	bool has_mic2;
 };
 
 static const struct sun8i_codec_analog_quirks sun8i_a23_quirks = {
 	.has_headphone	= true,
 	.has_hmic	= true,
+	.has_mic2	= true,
 };
 
 static const struct sun8i_codec_analog_quirks sun8i_h3_quirks = {
 	.has_lineout	= true,
+	.has_mic2	= true,
 };
 
 static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
@@ -626,6 +680,12 @@ static int sun8i_codec_analog_cmpnt_probe(struct snd_soc_component *cmpnt)
 			return ret;
 	}
 
+	if (quirks->has_mic2) {
+		ret = sun8i_codec_add_mic2(cmpnt);
+		if (ret)
+			return ret;
+	}
+
 	return 0;
 }
 
-- 
2.11.0

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