linux-kernel - [PATCH v3 7/7] ASoC: codecs: jz4725b: add missed microphone widgets

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Date:   Sun, 16 Oct 2022 16:26:48 +0300
From:   Siarhei Volkau <lis8215@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Siarhei Volkau <lis8215@...il.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, linux-mips@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH v3 7/7] ASoC: codecs: jz4725b: add missed microphone widgets

Microphone input can be single ended or differential, although
known SoCs with that codec expose MIC1P only.

Also there is 20dB mic boost in the Mic1 path.

Signed-off-by: Siarhei Volkau <lis8215@...il.com>
---
 sound/soc/codecs/jz4725b.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/sound/soc/codecs/jz4725b.c b/sound/soc/codecs/jz4725b.c
index 52b2bb95b..685ba1d3a 100644
--- a/sound/soc/codecs/jz4725b.c
+++ b/sound/soc/codecs/jz4725b.c
@@ -175,6 +175,15 @@ static const SNDRV_CTL_TLVD_DECLARE_DB_RANGE(jz4725b_out_tlv,
 	12, 23, TLV_DB_SCALE_ITEM(-1050, 100, 0),
 	24, 31, TLV_DB_SCALE_ITEM(  100,  50, 0),
 );
+static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(jz4725b_mic_boost_tlv, 0, 2000, 0);
+
+static const char * const jz4725b_mic_mode_texts[] = {
+	"Single Ended", "Differential",
+};
+
+static const struct soc_enum jz4725b_mic_mode_enum =
+	SOC_ENUM_SINGLE(JZ4725B_CODEC_REG_CR3, REG_CR3_MICDIFF_OFFSET,
+			2, jz4725b_mic_mode_texts);
 
 static const struct snd_kcontrol_new jz4725b_codec_controls[] = {
 	SOC_DOUBLE_TLV("DAC Playback Volume",
@@ -219,6 +228,13 @@ static const struct snd_kcontrol_new jz4725b_codec_controls[] = {
 	SOC_SINGLE("High-Pass Filter Capture Switch",
 		   JZ4725B_CODEC_REG_CR2,
 		   REG_CR2_ADC_HPF_OFFSET, 1, 0),
+
+	SOC_ENUM("Mic Mode Capture Switch", jz4725b_mic_mode_enum),
+
+	SOC_SINGLE_TLV("Mic1 Boost Capture Volume",
+		       JZ4725B_CODEC_REG_PMR2,
+		       REG_PMR2_GIM_OFFSET,
+		       1, 0, jz4725b_mic_boost_tlv),
 };
 
 static const char * const jz4725b_codec_adc_src_texts[] = {
-- 
2.36.1