linux-kernel - [PATCH 3/3] ASoC: da7219: Add Jack insertion detection polarity

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Message-Id: <20230523161821.4260-4-David.Rau.opensource@dm.renesas.com>
Date:   Tue, 23 May 2023 16:18:21 +0000
From:   David Rau <David.Rau.opensource@...renesas.com>
To:     conor+dt@...nel.org, broonie@...nel.org
Cc:     support.opensource@...semi.com, lgirdwood@...il.com,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        perex@...ex.cz, tiwai@...e.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        David Rau <David.Rau.opensource@...renesas.com>
Subject: [PATCH 3/3] ASoC: da7219: Add Jack insertion detection polarity

Add support of selecting insertion detection polarity
- Default polarity (Low)
- Inverted polarity (High)

Correct the keywords of parsing `dlg,jack-det-rate`
bases on the new DT binding.

Signed-off-by: David Rau <David.Rau.opensource@...renesas.com>
---
 include/sound/da7219-aad.h    |  6 +++++
 sound/soc/codecs/da7219-aad.c | 42 +++++++++++++++++++++++++++++++----
 2 files changed, 44 insertions(+), 4 deletions(-)

diff --git a/include/sound/da7219-aad.h b/include/sound/da7219-aad.h
index 24ee7baa2589..41320522daa2 100644
--- a/include/sound/da7219-aad.h
+++ b/include/sound/da7219-aad.h
@@ -44,6 +44,11 @@ enum da7219_aad_jack_ins_deb {
 	DA7219_AAD_JACK_INS_DEB_1S,
 };
 
+enum da7219_aad_jack_ins_det_pty {
+	DA7219_AAD_JACK_INS_DET_PTY_LOW = 0,
+	DA7219_AAD_JACK_INS_DET_PTY_HIGH,
+};
+
 enum da7219_aad_jack_det_rate {
 	DA7219_AAD_JACK_DET_RATE_32_64MS = 0,
 	DA7219_AAD_JACK_DET_RATE_64_128MS,
@@ -80,6 +85,7 @@ struct da7219_aad_pdata {
 	enum da7219_aad_btn_cfg btn_cfg;
 	enum da7219_aad_mic_det_thr mic_det_thr;
 	enum da7219_aad_jack_ins_deb jack_ins_deb;
+	enum da7219_aad_jack_ins_det_pty jack_ins_det_pty;
 	enum da7219_aad_jack_det_rate jack_det_rate;
 	enum da7219_aad_jack_rem_deb jack_rem_deb;
 
diff --git a/sound/soc/codecs/da7219-aad.c b/sound/soc/codecs/da7219-aad.c
index 993a0d00bc48..c65256bd526d 100644
--- a/sound/soc/codecs/da7219-aad.c
+++ b/sound/soc/codecs/da7219-aad.c
@@ -571,16 +571,29 @@ static enum da7219_aad_jack_ins_deb
 	}
 }
 
+static enum da7219_aad_jack_ins_det_pty
+	da7219_aad_fw_jack_ins_det_pty(struct device *dev, const char *str)
+{
+	if (!strcmp(str, "low")) {
+		return DA7219_AAD_JACK_INS_DET_PTY_LOW;
+	} else if (!strcmp(str, "high")) {
+		return DA7219_AAD_JACK_INS_DET_PTY_HIGH;
+	} else {
+		dev_warn(dev, "Invalid jack insertion detection polarity");
+		return DA7219_AAD_JACK_INS_DET_PTY_LOW;
+	}
+}
+
 static enum da7219_aad_jack_det_rate
 	da7219_aad_fw_jack_det_rate(struct device *dev, const char *str)
 {
-	if (!strcmp(str, "32ms_64ms")) {
+	if (!strcmp(str, "32_64")) {
 		return DA7219_AAD_JACK_DET_RATE_32_64MS;
-	} else if (!strcmp(str, "64ms_128ms")) {
+	} else if (!strcmp(str, "64_128")) {
 		return DA7219_AAD_JACK_DET_RATE_64_128MS;
-	} else if (!strcmp(str, "128ms_256ms")) {
+	} else if (!strcmp(str, "128_256")) {
 		return DA7219_AAD_JACK_DET_RATE_128_256MS;
-	} else if (!strcmp(str, "256ms_512ms")) {
+	} else if (!strcmp(str, "256_512")) {
 		return DA7219_AAD_JACK_DET_RATE_256_512MS;
 	} else {
 		dev_warn(dev, "Invalid jack detect rate");
@@ -688,6 +701,12 @@ static struct da7219_aad_pdata *da7219_aad_fw_to_pdata(struct device *dev)
 	else
 		aad_pdata->jack_ins_deb = DA7219_AAD_JACK_INS_DEB_20MS;
 
+	if (!fwnode_property_read_string(aad_np, "dlg,jack-ins-det-pty", &fw_str))
+		aad_pdata->jack_ins_det_pty =
+			da7219_aad_fw_jack_ins_det_pty(dev, fw_str);
+	else
+		aad_pdata->jack_ins_det_pty = DA7219_AAD_JACK_INS_DET_PTY_LOW;
+
 	if (!fwnode_property_read_string(aad_np, "dlg,jack-det-rate", &fw_str))
 		aad_pdata->jack_det_rate =
 			da7219_aad_fw_jack_det_rate(dev, fw_str);
@@ -849,6 +868,21 @@ static void da7219_aad_handle_pdata(struct snd_soc_component *component)
 			mask |= DA7219_ADC_1_BIT_REPEAT_MASK;
 		}
 		snd_soc_component_update_bits(component, DA7219_ACCDET_CONFIG_7, mask, cfg);
+
+		switch (aad_pdata->jack_ins_det_pty) {
+		case DA7219_AAD_JACK_INS_DET_PTY_LOW:
+			snd_soc_component_write(component, 0xF0, 0x8B);
+			snd_soc_component_write(component, 0x75, 0x80);
+			snd_soc_component_write(component, 0xF0, 0x00);
+			break;
+		case DA7219_AAD_JACK_INS_DET_PTY_HIGH:
+			snd_soc_component_write(component, 0xF0, 0x8B);
+			snd_soc_component_write(component, 0x75, 0x00);
+			snd_soc_component_write(component, 0xF0, 0x00);
+			break;
+		default:
+			break;
+		}
 	}
 }
 
-- 
2.17.1