linux-kernel - [PATCH v14 1/8] ASoC: sun4i-codec: Add MIC2 Pre-Amplifier, Mic2, Mic Playback Volume

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Message-Id: <20180502210800.1971-2-dannym@scratchpost.org>
Date:   Wed,  2 May 2018 23:07:53 +0200
From:   Danny Milosavljevic <dannym@...atchpost.org>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Danny Milosavljevic <dannym@...atchpost.org>,
        Andrea Bondavalli <andrea.bondavalli74@...il.com>,
        Fabio Estevam <fabio.estevam@....com>,
        Icenowy Zheng <icenowy@...c.xyz>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        alsa-devel@...a-project.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: [PATCH v14 1/8] ASoC: sun4i-codec: Add MIC2 Pre-Amplifier, Mic2, Mic Playback Volume

Add MIC2 Pre-Amplifier, Mic2 input and Mic Playback Volume for Allwinner A10
and Allwinner A20.

Signed-off-by: Danny Milosavljevic <dannym@...atchpost.org>
---
 sound/soc/sunxi/sun4i-codec.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 9a3cb7704810..060a40b45ab0 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -64,6 +64,7 @@
 #define SUN4I_CODEC_DAC_ACTL_DACAENR			(31)
 #define SUN4I_CODEC_DAC_ACTL_DACAENL			(30)
 #define SUN4I_CODEC_DAC_ACTL_MIXEN			(29)
+#define SUN4I_CODEC_DAC_ACTL_MICG			(20)
 #define SUN4I_CODEC_DAC_ACTL_LDACLMIXS			(15)
 #define SUN4I_CODEC_DAC_ACTL_RDACRMIXS			(14)
 #define SUN4I_CODEC_DAC_ACTL_LDACRMIXS			(13)
@@ -673,11 +674,16 @@ static const struct snd_kcontrol_new sun4i_codec_pa_mute =
 			SUN4I_CODEC_DAC_ACTL_PA_MUTE, 1, 0);
 
 static DECLARE_TLV_DB_SCALE(sun4i_codec_pa_volume_scale, -6300, 100, 1);
+static DECLARE_TLV_DB_SCALE(sun4i_codec_micin_loopback_gain_scale, -450, 150,
+			    0);
 
 static const struct snd_kcontrol_new sun4i_codec_controls[] = {
 	SOC_SINGLE_TLV("Power Amplifier Volume", SUN4I_CODEC_DAC_ACTL,
 		       SUN4I_CODEC_DAC_ACTL_PA_VOL, 0x3F, 0,
 		       sun4i_codec_pa_volume_scale),
+	SOC_SINGLE_TLV("Mic Playback Volume", SUN4I_CODEC_DAC_ACTL,
+		       SUN4I_CODEC_DAC_ACTL_MICG, 7, 0,
+		       sun4i_codec_micin_loopback_gain_scale),
 };
 
 static const struct snd_kcontrol_new sun4i_codec_left_mixer_controls[] = {
@@ -741,6 +747,8 @@ static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
 	/* Mic Pre-Amplifiers */
 	SND_SOC_DAPM_PGA("MIC1 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
 			 SUN4I_CODEC_ADC_ACTL_PREG1EN, 0, NULL, 0),
+	SND_SOC_DAPM_PGA("MIC2 Pre-Amplifier", SUN4I_CODEC_ADC_ACTL,
+			 SUN4I_CODEC_ADC_ACTL_PREG2EN, 0, NULL, 0),
 
 	/* Power Amplifier */
 	SND_SOC_DAPM_MIXER("Power Amplifier", SUN4I_CODEC_ADC_ACTL,
@@ -751,6 +759,7 @@ static const struct snd_soc_dapm_widget sun4i_codec_codec_dapm_widgets[] = {
 			    &sun4i_codec_pa_mute),
 
 	SND_SOC_DAPM_INPUT("Mic1"),
+	SND_SOC_DAPM_INPUT("Mic2"),
 
 	SND_SOC_DAPM_OUTPUT("HP Right"),
 	SND_SOC_DAPM_OUTPUT("HP Left"),
@@ -790,6 +799,12 @@ static const struct snd_soc_dapm_route sun4i_codec_codec_dapm_routes[] = {
 	{ "Right ADC", NULL, "MIC1 Pre-Amplifier" },
 	{ "MIC1 Pre-Amplifier", NULL, "Mic1"},
 	{ "Mic1", NULL, "VMIC" },
+
+	/* Mic2 Routes */
+	{ "Left ADC", NULL, "MIC2 Pre-Amplifier" },
+	{ "Right ADC", NULL, "MIC2 Pre-Amplifier" },
+	{ "MIC2 Pre-Amplifier", NULL, "Mic2"},
+	{ "Mic2", NULL, "VMIC" },
 };
 
 static const struct snd_soc_component_driver sun4i_codec_codec = {