build/patch/kernel/archive/rockchip64-5.15/general-enhance-backport-es8328-driver.patch

--- a/sound/soc/codecs/es8328.c
+++ b/sound/soc/codecs/es8328.c
@@ -21,8 +21,13 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/tlv.h>
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
 #include "es8328.h"
 
+#define INVALID_GPIO		   -1
+#define ES8328_CODEC_SET_HP		1
+
 static const unsigned int rates_12288[] = {
 	8000, 12000, 16000, 24000, 32000, 48000, 96000,
 };
@@ -86,8 +91,18 @@ struct es8328_priv {
 	const int *mclk_ratios;
 	bool master;
 	struct regulator_bulk_data supplies[ES8328_SUPPLY_NUM];
+
+    int hp_ctl_gpio;
+    int hp_det_gpio;
+
+    bool muted;
+    bool hp_inserted;
+    bool hp_gpio_level;
+    bool hp_det_level;
 };
 
+static struct es8328_priv *es8328_private;
+
 /*
  * ES8328 Controls
  */
@@ -112,6 +127,42 @@ static const struct {
 	{ 48000, ES8328_DACCONTROL6_DEEMPH_48k },
 };
 
+static int es8328_set_gpio(int gpio, bool level)
+{
+	struct es8328_priv *es8328 = es8328_private;
+
+	if (!es8328) {
+		return 0;
+	}
+
+	if ((gpio & ES8328_CODEC_SET_HP) && es8328
+	    && es8328->hp_ctl_gpio != INVALID_GPIO) {
+		gpio_set_value(es8328->hp_ctl_gpio, level);
+	}
+
+	return 0;
+}
+
+static irqreturn_t hp_det_irq_handler(int irq, void *dev_id)
+{
+	struct es8328_priv *es8328 = es8328_private;
+
+    if(gpio_get_value(es8328->hp_det_gpio)) {
+        es8328->hp_inserted = 1;
+    } else {
+        es8328->hp_inserted = 0;
+    }
+
+	if(!es8328->muted && es8328->hp_inserted) {
+		es8328_set_gpio(ES8328_CODEC_SET_HP, es8328->hp_gpio_level);
+	} else {
+        es8328_set_gpio(ES8328_CODEC_SET_HP, !es8328->hp_gpio_level);
+    }
+	return IRQ_HANDLED;
+}
+
+
+
 static int es8328_set_deemph(struct snd_soc_component *component)
 {
 	struct es8328_priv *es8328 = snd_soc_component_get_drvdata(component);
@@ -451,6 +502,14 @@ static const struct snd_soc_dapm_route es8328_dapm_routes[] = {
 
 static int es8328_mute(struct snd_soc_dai *dai, int mute, int direction)
 {
+    struct es8328_priv *es8328 = snd_soc_component_get_drvdata(dai->component);
+    es8328->muted = mute;
+    if (!mute && es8328->hp_inserted) {
+        es8328_set_gpio(ES8328_CODEC_SET_HP, es8328->hp_gpio_level);
+    } else {
+        es8328_set_gpio(ES8328_CODEC_SET_HP, !es8328->hp_gpio_level);
+    }
+
 	return snd_soc_component_update_bits(dai->component, ES8328_DACCONTROL3,
 			ES8328_DACCONTROL3_DACMUTE,
 			mute ? ES8328_DACCONTROL3_DACMUTE : 0);
@@ -795,6 +854,21 @@ static int es8328_component_probe(struct snd_soc_component *component)
 		goto clk_fail;
 	}
 
+    if (es8328->hp_det_gpio != INVALID_GPIO) {
+		if (gpio_get_value(es8328->hp_det_gpio) == es8328->hp_det_level)
+			es8328->hp_inserted = 1;
+	} else {
+        es8328->hp_inserted = 1;
+    }
+        
+ 
+    if (!strncmp(component->dev->of_node->name, "es8388", 6)) {
+        usleep_range(18000, 20000);
+        snd_soc_component_update_bits(component, ES8328_DACCONTROL17,
+			    ES8328_DACCONTROL17_LD2LO, ES8328_DACCONTROL17_LD2LO);
+        snd_soc_component_update_bits(component, ES8328_DACCONTROL20,
+			    ES8328_DACCONTROL20_RD2RO, ES8328_DACCONTROL20_RD2RO);
+    }
 	return 0;
 
 clk_fail:
@@ -850,6 +924,8 @@ int es8328_probe(struct device *dev, struct regmap *regmap)
 	struct es8328_priv *es8328;
 	int ret;
 	int i;
+    int hp_irq = 0;
+    enum of_gpio_flags flags;
 
 	if (IS_ERR(regmap))
 		return PTR_ERR(regmap);
@@ -859,6 +935,7 @@ int es8328_probe(struct device *dev, struct regmap *regmap)
 		return -ENOMEM;
 
 	es8328->regmap = regmap;
+    es8328_private = es8328;
 
 	for (i = 0; i < ARRAY_SIZE(es8328->supplies); i++)
 		es8328->supplies[i].supply = supply_names[i];
@@ -870,6 +947,43 @@ int es8328_probe(struct device *dev, struct regmap *regmap)
 		return ret;
 	}
 
+    es8328->hp_ctl_gpio = of_get_named_gpio_flags(dev->of_node, "hp-ctl-gpio", 0, &flags);
+	if (es8328->hp_ctl_gpio < 0) {
+		dev_info(dev, "Can not read property hp_ctl_gpio\n");
+		es8328->hp_ctl_gpio = INVALID_GPIO;
+	} else {
+		es8328->hp_gpio_level = (flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1;
+		ret = devm_gpio_request_one(dev, es8328->hp_ctl_gpio, GPIOF_DIR_OUT, "hp_ctl_gpio");
+		if (ret != 0) {
+			dev_err(dev, "Failed to request hp_ctl_gpio\n");
+			return ret;
+		}
+		es8328_set_gpio(ES8328_CODEC_SET_HP, !es8328->hp_gpio_level);
+	}
+
+	es8328->hp_det_gpio = of_get_named_gpio_flags(dev->of_node, "hp-det-gpio", 0, &flags);
+	if (es8328->hp_det_gpio < 0) {
+		dev_info(dev, "Can not read property hp_det_gpio\n");
+		es8328->hp_det_gpio = INVALID_GPIO;
+	} else {
+		es8328->hp_det_level = (flags & OF_GPIO_ACTIVE_LOW) ? 0 : 1;
+		ret = devm_gpio_request_one(dev, es8328->hp_det_gpio, GPIOF_IN, NULL);
+		if (ret != 0) {
+			dev_err(dev, "Failed to request hp_det_gpio\n");
+			return ret;
+		}
+		hp_irq = gpio_to_irq(es8328->hp_det_gpio);
+
+		if (hp_irq) {
+			ret = devm_request_threaded_irq(dev, hp_irq, NULL, hp_det_irq_handler,
+					IRQ_TYPE_EDGE_BOTH | IRQF_ONESHOT, "ES8323", NULL);
+			if (ret < 0) {
+				dev_err(dev, "request_irq failed: %d\n", ret);
+				return ret;
+			}
+		}
+	}
+
 	dev_set_drvdata(dev, es8328);
 
 	return devm_snd_soc_register_component(dev,