asoc: codecs: Add parent child relation for bolero and tanggu

In bolero and tanggu combination, make bolero parent of tanggu.
Bolero and tanggu can communicate mutually using notifier and
plat_data callback APIs.

Change-Id: Iecd119df7f0ad1ba225c0427f3f42f217146b092
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>

asoc/codecs/bolero/bolero-cdc.c

@@ -26,6 +26,7 @@
 #define BOLERO_VERSION_1_1 0x0002
 #define BOLERO_VERSION_1_2 0x0003
 #define BOLERO_VERSION_ENTRY_SIZE 32
+#define BOLERO_CDC_STRING_LEN 80
 
 static struct snd_soc_codec_driver bolero;
 
@@ -118,6 +119,65 @@ err:
 	return ret;
 }
 
+static int bolero_cdc_update_wcd_event(void *handle, u16 event, u32 data)
+{
+	struct bolero_priv *priv = (struct bolero_priv *)handle;
+
+	if (!priv) {
+		pr_err("%s:Invalid bolero priv handle\n", __func__);
+		return -EINVAL;
+	}
+
+	switch (event) {
+	case WCD_BOLERO_EVT_RX_MUTE:
+		if (priv->macro_params[RX_MACRO].event_handler)
+			priv->macro_params[RX_MACRO].event_handler(priv->codec,
+				BOLERO_MACRO_EVT_RX_MUTE, data);
+		break;
+	case WCD_BOLERO_EVT_IMPED_TRUE:
+		if (priv->macro_params[RX_MACRO].event_handler)
+			priv->macro_params[RX_MACRO].event_handler(priv->codec,
+				BOLERO_MACRO_EVT_IMPED_TRUE, data);
+		break;
+	case WCD_BOLERO_EVT_IMPED_FALSE:
+		if (priv->macro_params[RX_MACRO].event_handler)
+			priv->macro_params[RX_MACRO].event_handler(priv->codec,
+				BOLERO_MACRO_EVT_IMPED_FALSE, data);
+		break;
+	default:
+		dev_err(priv->dev, "%s: Invalid event %d trigger from wcd\n",
+			__func__, event);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static int bolero_cdc_register_notifier(void *handle,
+					struct notifier_block *nblock,
+					bool enable)
+{
+	struct bolero_priv *priv = (struct bolero_priv *)handle;
+
+	if (!priv) {
+		pr_err("%s: bolero priv is null\n", __func__);
+		return -EINVAL;
+	}
+	if (enable)
+		return blocking_notifier_chain_register(&priv->notifier,
+							nblock);
+
+	return blocking_notifier_chain_unregister(&priv->notifier,
+						  nblock);
+}
+
+static void bolero_cdc_notifier_call(struct bolero_priv *priv,
+				     u32 data)
+{
+	dev_dbg(priv->dev, "%s: notifier call, data:%d\n", __func__, data);
+	blocking_notifier_call_chain(&priv->notifier,
+				     data, (void *)priv->wcd_dev);
+}
+
 static bool bolero_is_valid_macro_dev(struct device *dev)
 {
 	if (of_device_is_compatible(dev->parent->of_node, "qcom,bolero-codec"))
@@ -134,6 +194,46 @@ static bool bolero_is_valid_codec_dev(struct device *dev)
 	return false;
 }
 
+/**
+ * bolero_clear_amic_tx_hold - clears AMIC register on analog codec
+ *
+ * @dev: bolero device ptr.
+ *
+ */
+void bolero_clear_amic_tx_hold(struct device *dev, u16 adc_n)
+{
+	struct bolero_priv *priv;
+	u16 event;
+	u16 amic = 0;
+
+	if (!dev) {
+		pr_err("%s: dev is null\n", __func__);
+		return;
+	}
+
+	if (!bolero_is_valid_codec_dev(dev)) {
+		pr_err("%s: invalid codec\n", __func__);
+		return;
+	}
+	priv = dev_get_drvdata(dev);
+	if (!priv) {
+		dev_err(dev, "%s: priv is null\n", __func__);
+		return;
+	}
+	event = BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR;
+	if (adc_n == BOLERO_ADC0)
+		amic = 0x1;
+	else if (adc_n == BOLERO_ADC2)
+		amic = 0x2;
+	else if (adc_n == BOLERO_ADC3)
+		amic = 0x3;
+	else
+		return;
+
+	bolero_cdc_notifier_call(priv, (amic << 0x10 | event));
+}
+EXPORT_SYMBOL(bolero_clear_amic_tx_hold);
+
 /**
  * bolero_get_device_ptr - Get child or macro device ptr
  *
@@ -230,6 +330,7 @@ int bolero_register_macro(struct device *dev, u16 macro_id,
 	priv->macro_params[macro_id].num_dais = ops->num_dais;
 	priv->macro_params[macro_id].dai_ptr = ops->dai_ptr;
 	priv->macro_params[macro_id].mclk_fn = ops->mclk_fn;
+	priv->macro_params[macro_id].event_handler = ops->event_handler;
 	priv->macro_params[macro_id].dev = dev;
 	priv->current_mclk_mux_macro[macro_id] =
 				bolero_mclk_mux_tbl[macro_id][MCLK_MUX0];
@@ -237,7 +338,7 @@ int bolero_register_macro(struct device *dev, u16 macro_id,
 	priv->num_macros_registered++;
 	priv->macros_supported[macro_id] = true;
 
-	if (priv->num_macros_registered == priv->child_num) {
+	if (priv->num_macros_registered == priv->num_macros) {
 		ret = bolero_copy_dais_from_macro(priv);
 		if (ret < 0) {
 			dev_err(dev, "%s: copy_dais failed\n", __func__);
@@ -290,12 +391,13 @@ void bolero_unregister_macro(struct device *dev, u16 macro_id)
 	priv->macro_params[macro_id].num_dais = 0;
 	priv->macro_params[macro_id].dai_ptr = NULL;
 	priv->macro_params[macro_id].mclk_fn = NULL;
+	priv->macro_params[macro_id].event_handler = NULL;
 	priv->macro_params[macro_id].dev = NULL;
 	priv->num_dais -= priv->macro_params[macro_id].num_dais;
 	priv->num_macros_registered--;
 
 	/* UNREGISTER CODEC HERE */
-	if (priv->child_num - 1 == priv->num_macros_registered)
+	if (priv->num_macros - 1 == priv->num_macros_registered)
 		snd_soc_unregister_codec(dev->parent);
 }
 EXPORT_SYMBOL(bolero_unregister_macro);
@@ -555,7 +657,12 @@ static struct snd_soc_codec_driver bolero = {
 static void bolero_add_child_devices(struct work_struct *work)
 {
 	struct bolero_priv *priv;
-	int rc;
+	bool wcd937x_node = false;
+	struct platform_device *pdev;
+	struct device_node *node;
+	int ret = 0, count = 0;
+	struct wcd_ctrl_platform_data *platdata = NULL;
+	char plat_dev_name[BOLERO_CDC_STRING_LEN] = "";
 
 	priv = container_of(work, struct bolero_priv,
 			    bolero_add_child_devices_work);
@@ -569,12 +676,53 @@ static void bolero_add_child_devices(struct work_struct *work)
 			__func__);
 		return;
 	}
-	rc = of_platform_populate(priv->dev->of_node, NULL, NULL, priv->dev);
+
-	if (rc)
+	platdata = &priv->plat_data;
-		dev_err(priv->dev, "%s: failed to add child nodes, rc=%d\n",
+	priv->child_count = 0;
-			__func__, rc);
+
-	else
+	for_each_available_child_of_node(priv->dev->of_node, node) {
-		dev_dbg(priv->dev, "%s: added child node\n", __func__);
+		wcd937x_node = false;
+		if (strnstr(node->name, "wcd937x", strlen("wcd937x")) != NULL)
+			wcd937x_node = true;
+
+		strlcpy(plat_dev_name, node->name,
+				(BOLERO_CDC_STRING_LEN - 1));
+
+		pdev = platform_device_alloc(plat_dev_name, -1);
+		if (!pdev) {
+			dev_err(priv->dev, "%s: pdev memory alloc failed\n",
+				__func__);
+			ret = -ENOMEM;
+			goto err;
+		}
+		pdev->dev.parent = priv->dev;
+		pdev->dev.of_node = node;
+
+		if (wcd937x_node) {
+			priv->dev->platform_data = platdata;
+			priv->wcd_dev = &pdev->dev;
+		}
+
+		ret = platform_device_add(pdev);
+		if (ret) {
+			dev_err(&pdev->dev,
+				"%s: Cannot add platform device\n",
+				__func__);
+			platform_device_put(pdev);
+			goto fail_pdev_add;
+		}
+
+		if (priv->child_count < BOLERO_CDC_CHILD_DEVICES_MAX)
+			priv->pdev_child_devices[priv->child_count++] = pdev;
+		else
+			goto err;
+	}
+	return;
+fail_pdev_add:
+	for (count = 0; count < priv->child_count; count++)
+		platform_device_put(priv->pdev_child_devices[count]);
+err:
+	return;
 }
 
 static int bolero_probe(struct platform_device *pdev)
@@ -595,11 +743,11 @@ static int bolero_probe(struct platform_device *pdev)
 			__func__);
 		return ret;
 	}
-	priv->child_num = num_macros;
+	priv->num_macros = num_macros;
-	if (priv->child_num > MAX_MACRO) {
+	if (priv->num_macros > MAX_MACRO) {
 		dev_err(&pdev->dev,
-			"%s:child_num(%d) > MAX_MACRO(%d) than supported\n",
+			"%s:num_macros(%d) > MAX_MACRO(%d) than supported\n",
-			__func__, priv->child_num, MAX_MACRO);
+			__func__, priv->num_macros, MAX_MACRO);
 		return -EINVAL;
 	}
 	priv->va_without_decimation = of_property_read_bool(pdev->dev.of_node,
@@ -617,6 +765,10 @@ static int bolero_probe(struct platform_device *pdev)
 	priv->read_dev = __bolero_reg_read;
 	priv->write_dev = __bolero_reg_write;
 
+	priv->plat_data.handle = (void *) priv;
+	priv->plat_data.update_wcd_event = bolero_cdc_update_wcd_event;
+	priv->plat_data.register_notifier = bolero_cdc_register_notifier;
+
 	dev_set_drvdata(&pdev->dev, priv);
 	mutex_init(&priv->io_lock);
 	mutex_init(&priv->clk_lock);

asoc/codecs/bolero/bolero-cdc.h

@@ -31,6 +31,20 @@ enum mclk_mux {
 	MCLK_MUX_MAX
 };
 
+enum {
+	BOLERO_ADC0 = 1,
+	BOLERO_ADC1,
+	BOLERO_ADC2,
+	BOLERO_ADC3,
+	BOLERO_ADC_MAX
+};
+
+enum {
+	BOLERO_MACRO_EVT_RX_MUTE = 1, /* for RX mute/unmute */
+	BOLERO_MACRO_EVT_IMPED_TRUE, /* for imped true */
+	BOLERO_MACRO_EVT_IMPED_FALSE, /* for imped false */
+};
+
 struct macro_ops {
 	int (*init)(struct snd_soc_codec *codec);
 	int (*exit)(struct snd_soc_codec *codec);
@@ -38,6 +52,8 @@ struct macro_ops {
 	struct device *dev;
 	struct snd_soc_dai_driver *dai_ptr;
 	int (*mclk_fn)(struct device *dev, bool enable);
+	int (*event_handler)(struct snd_soc_codec *codec, u16 event,
+			     u32 data);
 	char __iomem *io_base;
 };
 
@@ -52,6 +68,7 @@ int bolero_request_clock(struct device *dev, u16 macro_id,
 int bolero_info_create_codec_entry(
 		struct snd_info_entry *codec_root,
 		struct snd_soc_codec *codec);
+void bolero_clear_amic_tx_hold(struct device *dev, u16 adc_n);
 #else
 static inline int bolero_register_macro(struct device *dev,
 					u16 macro_id,
@@ -83,5 +100,9 @@ static int bolero_info_create_codec_entry(
 {
 	return 0;
 }
+
+static inline void bolero_clear_amic_tx_hold(struct device *dev, u16 adc_n)
+{
+}
 #endif /* CONFIG_SND_SOC_BOLERO */
 #endif /* BOLERO_CDC_H */

asoc/codecs/bolero/internal.h

@@ -15,6 +15,13 @@
 
 #include "bolero-cdc-registers.h"
 
+#define BOLERO_CDC_CHILD_DEVICES_MAX 5
+
+/* from bolero to WCD events */
+enum {
+	BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR = 1,
+};
+
 enum {
 	REG_NO_ACCESS,
 	RD_REG,
@@ -22,6 +29,21 @@ enum {
 	RD_WR_REG
 };
 
+/* from WCD to bolero events */
+enum {
+	WCD_BOLERO_EVT_RX_MUTE = 1, /* for RX mute/unmute */
+	WCD_BOLERO_EVT_IMPED_TRUE,   /* for imped true */
+	WCD_BOLERO_EVT_IMPED_FALSE,  /* for imped false */
+};
+
+struct wcd_ctrl_platform_data {
+	void *handle;
+	int (*update_wcd_event)(void *handle, u16 event, u32 data);
+	int (*register_notifier)(void *handle,
+				 struct notifier_block *nblock,
+				 bool enable);
+};
+
 struct bolero_priv {
 	struct device *dev;
 	struct snd_soc_codec *codec;
@@ -34,7 +56,7 @@ struct bolero_priv {
 	struct snd_soc_dai_driver *bolero_dais;
 	u16 num_dais;
 	u16 num_macros_registered;
-	u16 child_num;
+	u16 num_macros;
 	u16 current_mclk_mux_macro[MAX_MACRO];
 	struct work_struct bolero_add_child_devices_work;
 	u32 version;
@@ -47,6 +69,12 @@ struct bolero_priv {
 			u16 macro_id, u16 reg, u8 *val);
 	int (*write_dev)(struct bolero_priv *priv,
 			 u16 macro_id, u16 reg, u8 val);
+	struct platform_device *pdev_child_devices
+			[BOLERO_CDC_CHILD_DEVICES_MAX];
+	u16 child_count;
+	struct wcd_ctrl_platform_data plat_data;
+	struct device *wcd_dev;
+	struct blocking_notifier_head notifier;
 };
 
 struct regmap *bolero_regmap_init(struct device *dev,

asoc/codecs/bolero/rx-macro.c

@@ -75,6 +75,107 @@ static const struct snd_kcontrol_new name##_mux = \
 #define RX_MACRO_RX_PATH_OFFSET 0x80
 #define RX_MACRO_COMP_OFFSET 0x40
 
+#define MAX_IMPED_PARAMS 6
+
+struct wcd_imped_val {
+	u32 imped_val;
+	u8 index;
+};
+
+static const struct wcd_imped_val imped_index[] = {
+	{4, 0},
+	{5, 1},
+	{6, 2},
+	{7, 3},
+	{8, 4},
+	{9, 5},
+	{10, 6},
+	{11, 7},
+	{12, 8},
+	{13, 9},
+};
+
+struct rx_macro_reg_mask_val {
+	u16 reg;
+	u8 mask;
+	u8 val;
+};
+
+static const struct rx_macro_reg_mask_val imped_table[][MAX_IMPED_PARAMS] = {
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xf2},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xf2},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xf2},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xf2},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xf4},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xf4},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xf4},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xf4},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xf7},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xf7},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x01},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xf7},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xf7},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x01},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xf9},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xf9},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xf9},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xf9},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xfa},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xfa},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xfa},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xfa},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xfb},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xfb},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xfb},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xfb},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xfc},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xfc},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xfc},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xfc},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x00},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x00},
+	},
+	{
+		{BOLERO_CDC_RX_RX0_RX_VOL_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX0_RX_VOL_MIX_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX0_RX_PATH_SEC1, 0x01, 0x01},
+		{BOLERO_CDC_RX_RX1_RX_VOL_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX1_RX_VOL_MIX_CTL, 0xff, 0xfd},
+		{BOLERO_CDC_RX_RX1_RX_PATH_SEC1, 0x01, 0x01},
+	},
+};
+
 enum {
 	INTERP_HPHL,
 	INTERP_HPHR,
@@ -494,6 +595,80 @@ static struct snd_soc_dai_driver rx_macro_dai[] = {
 	},
 };
 
+static int get_impedance_index(int imped)
+{
+	int i = 0;
+
+	if (imped < imped_index[i].imped_val) {
+		pr_debug("%s, detected impedance is less than %d Ohm\n",
+			__func__, imped_index[i].imped_val);
+		i = 0;
+		goto ret;
+	}
+	if (imped >= imped_index[ARRAY_SIZE(imped_index) - 1].imped_val) {
+		pr_debug("%s, detected impedance is greater than %d Ohm\n",
+			__func__,
+			imped_index[ARRAY_SIZE(imped_index) - 1].imped_val);
+		i = ARRAY_SIZE(imped_index) - 1;
+		goto ret;
+	}
+	for (i = 0; i < ARRAY_SIZE(imped_index) - 1; i++) {
+		if (imped >= imped_index[i].imped_val &&
+			imped < imped_index[i + 1].imped_val)
+			break;
+	}
+ret:
+	pr_debug("%s: selected impedance index = %d\n",
+			__func__, imped_index[i].index);
+	return imped_index[i].index;
+}
+
+/*
+ * rx_macro_wcd_clsh_imped_config -
+ * This function updates HPHL and HPHR gain settings
+ * according to the impedance value.
+ *
+ * @codec: codec pointer handle
+ * @imped: impedance value of HPHL/R
+ * @reset: bool variable to reset registers when teardown
+ */
+static void rx_macro_wcd_clsh_imped_config(struct snd_soc_codec *codec,
+					   int imped, bool reset)
+{
+	int i;
+	int index = 0;
+	int table_size;
+
+	static const struct rx_macro_reg_mask_val
+				(*imped_table_ptr)[MAX_IMPED_PARAMS];
+
+	table_size = ARRAY_SIZE(imped_table);
+	imped_table_ptr = imped_table;
+	/* reset = 1, which means request is to reset the register values */
+	if (reset) {
+		for (i = 0; i < MAX_IMPED_PARAMS; i++)
+			snd_soc_update_bits(codec,
+				imped_table_ptr[index][i].reg,
+				imped_table_ptr[index][i].mask, 0);
+		return;
+	}
+	index = get_impedance_index(imped);
+	if (index >= (ARRAY_SIZE(imped_index) - 1)) {
+		pr_debug("%s, impedance not in range = %d\n", __func__, imped);
+		return;
+	}
+	if (index >= table_size) {
+		pr_debug("%s, impedance index not in range = %d\n", __func__,
+			index);
+		return;
+	}
+	for (i = 0; i < MAX_IMPED_PARAMS; i++)
+		snd_soc_update_bits(codec,
+				imped_table_ptr[index][i].reg,
+				imped_table_ptr[index][i].mask,
+				imped_table_ptr[index][i].val);
+}
+
 static bool rx_macro_get_data(struct snd_soc_codec *codec,
 			       struct device **rx_dev,
 			       struct rx_macro_priv **rx_priv,
@@ -928,6 +1103,37 @@ static int rx_macro_mclk_ctrl(struct device *dev, bool enable)
 	return 0;
 }
 
+static int rx_macro_event_handler(struct snd_soc_codec *codec, u16 event,
+				  u32 data)
+{
+	u16 reg = 0, reg_mix = 0, rx_idx = 0, mute = 0x0;
+	struct device *rx_dev = NULL;
+	struct rx_macro_priv *rx_priv = NULL;
+
+	if (!rx_macro_get_data(codec, &rx_dev, &rx_priv, __func__))
+		return -EINVAL;
+
+	switch (event) {
+	case BOLERO_MACRO_EVT_RX_MUTE:
+		rx_idx = data >> 0x10;
+		mute = data & 0xffff;
+		reg = BOLERO_CDC_RX_RX0_RX_PATH_CTL + (rx_idx *
+					RX_MACRO_RX_PATH_OFFSET);
+		reg_mix = BOLERO_CDC_RX_RX0_RX_PATH_MIX_CTL + (rx_idx *
+					RX_MACRO_RX_PATH_OFFSET);
+		snd_soc_update_bits(codec, reg, 0x10, mute << 0x10);
+		snd_soc_update_bits(codec, reg_mix, 0x10, mute << 0x10);
+		break;
+	case BOLERO_MACRO_EVT_IMPED_TRUE:
+		rx_macro_wcd_clsh_imped_config(codec, data, true);
+		break;
+	case BOLERO_MACRO_EVT_IMPED_FALSE:
+		rx_macro_wcd_clsh_imped_config(codec, data, false);
+		break;
+	}
+	return 0;
+}
+
 static int rx_macro_find_playback_dai_id_for_port(int port_id,
 						  struct rx_macro_priv *rx_priv)
 {
@@ -1078,7 +1284,6 @@ static int rx_macro_enable_mix_path(struct snd_soc_dapm_widget *w,
 	case SND_SOC_DAPM_POST_PMU:
 		snd_soc_write(codec, gain_reg,
 			snd_soc_read(codec, gain_reg));
-		snd_soc_update_bits(codec, mix_reg, 0x10, 0x00);
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		/* Clk Disable */
@@ -1128,7 +1333,6 @@ static int rx_macro_enable_main_path(struct snd_soc_dapm_widget *w,
 	case SND_SOC_DAPM_POST_PMU:
 		snd_soc_write(codec, gain_reg,
 			snd_soc_read(codec, gain_reg));
-		snd_soc_update_bits(codec, reg, 0x10, 0x00);
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		rx_macro_enable_interp_clk(codec, event, w->shift);
@@ -2955,6 +3159,7 @@ static void rx_macro_init_ops(struct macro_ops *ops, char __iomem *rx_io_base)
 	ops->dai_ptr = rx_macro_dai;
 	ops->num_dais = ARRAY_SIZE(rx_macro_dai);
 	ops->mclk_fn = rx_macro_mclk_ctrl;
+	ops->event_handler = rx_macro_event_handler;
 }
 
 static int rx_macro_probe(struct platform_device *pdev)

asoc/codecs/bolero/tx-macro.c

@@ -42,6 +42,8 @@
 #define TX_MACRO_DMIC_SAMPLE_RATE_UNDEFINED 0
 #define TX_MACRO_MCLK_FREQ 9600000
 #define TX_MACRO_TX_PATH_OFFSET 0x80
+#define TX_MACRO_SWR_MIC_MUX_SEL_MASK 0xF
+#define TX_MACRO_ADC_MUX_CFG_OFFSET 0x2
 
 #define TX_MACRO_TX_UNMUTE_DELAY_MS	40
 
@@ -107,6 +109,12 @@ enum {
 	TX_MACRO_CLK_DIV_16,
 };
 
+enum {
+	MSM_DMIC,
+	SWR_MIC,
+	ANC_FB_TUNE1
+};
+
 struct tx_mute_work {
 	struct tx_macro_priv *tx_priv;
 	u32 decimator;
@@ -303,6 +311,7 @@ static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
 	struct snd_soc_codec *codec = NULL;
 	u16 dec_cfg_reg = 0, hpf_gate_reg = 0;
 	u8 hpf_cut_off_freq = 0;
+	u16 adc_mux_reg = 0, adc_n = 0, adc_reg = 0;
 
 	hpf_delayed_work = to_delayed_work(work);
 	hpf_work = container_of(hpf_delayed_work, struct hpf_work, dwork);
@@ -318,6 +327,19 @@ static void tx_macro_tx_hpf_corner_freq_callback(struct work_struct *work)
 	dev_dbg(codec->dev, "%s: decimator %u hpf_cut_of_freq 0x%x\n",
 		__func__, hpf_work->decimator, hpf_cut_off_freq);
 
+	adc_mux_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG1 +
+			TX_MACRO_ADC_MUX_CFG_OFFSET * hpf_work->decimator;
+	if (snd_soc_read(codec, adc_mux_reg) & SWR_MIC) {
+		adc_reg = BOLERO_CDC_TX_INP_MUX_ADC_MUX0_CFG0 +
+			TX_MACRO_ADC_MUX_CFG_OFFSET * hpf_work->decimator;
+		adc_n = snd_soc_read(codec, adc_reg) &
+				TX_MACRO_SWR_MIC_MUX_SEL_MASK;
+		if (adc_n >= BOLERO_ADC_MAX)
+			goto tx_hpf_set;
+		/* analog mic clear TX hold */
+		bolero_clear_amic_tx_hold(codec->dev, adc_n);
+	}
+tx_hpf_set:
 	snd_soc_update_bits(codec, dec_cfg_reg, TX_HPF_CUT_OFF_FREQ_MASK,
 			    hpf_cut_off_freq << 5);
 	snd_soc_update_bits(codec, hpf_gate_reg, 0x02, 0x02);
@@ -399,7 +421,7 @@ static int tx_macro_put_dec_enum(struct snd_kcontrol *kcontrol,
 			__func__, e->reg);
 		return -EINVAL;
 	}
-	if (strnstr(widget->name, "smic", strlen(widget->name))) {
+	if (strnstr(widget->name, "SMIC", strlen(widget->name))) {
 		if (val != 0) {
 			if (val < 5)
 				snd_soc_update_bits(codec, mic_sel_reg,

asoc/codecs/wcd937x/internal.h

@@ -74,6 +74,14 @@ struct wcd937x_priv {
 			rx_port_mapping[MAX_PORT][MAX_CH_PER_PORT];
 	struct regulator_bulk_data *supplies;
 
+	struct notifier_block nblock;
+	/* wcd callback to bolero */
+	void *handle;
+	int (*update_wcd_event)(void *handle, u16 event, u32 data);
+	int (*register_notifier)(void *handle,
+				struct notifier_block *nblock,
+				bool enable);
+
 	u32 version;
 	/* Entry for version info */
 	struct snd_info_entry *entry;
@@ -99,6 +107,30 @@ struct wcd937x_pdata {
 	int num_supplies;
 };
 
+struct wcd_ctrl_platform_data {
+	void *handle;
+	int (*update_wcd_event)(void *handle, u16 event, u32 data);
+	int (*register_notifier)(void *handle,
+				 struct notifier_block *nblock,
+				 bool enable);
+};
+
+enum {
+	WCD_RX1,
+	WCD_RX2,
+	WCD_RX3
+};
+
+enum {
+	BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR = 1,
+};
+
+enum {
+	WCD_BOLERO_EVT_RX_MUTE = 1,	/* for RX mute/unmute */
+	WCD_BOLERO_EVT_IMPED_TRUE,	/* for imped true */
+	WCD_BOLERO_EVT_IMPED_FALSE,	/* for imped false */
+};
+
 enum {
 	/* INTR_CTRL_INT_MASK_0 */
 	WCD937X_IRQ_MBHC_BUTTON_RELEASE_DET = 0,

asoc/codecs/wcd937x/wcd937x.c

@@ -568,8 +568,16 @@ static int wcd937x_codec_enable_hphr_pa(struct snd_soc_dapm_widget *w,
 		ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
 					    wcd937x->rx_swr_dev->dev_num,
 					    true);
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX2 << 0x10));
 		break;
 	case SND_SOC_DAPM_PRE_PMD:
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX2 << 0x10 | 0x1));
 		blocking_notifier_call_chain(&wcd937x->mbhc->notifier,
 					     WCD_EVENT_PRE_HPHR_PA_OFF,
 					     &wcd937x->mbhc->wcd_mbhc);
@@ -607,8 +615,16 @@ static int wcd937x_codec_enable_hphl_pa(struct snd_soc_dapm_widget *w,
 		ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
 				    wcd937x->rx_swr_dev->dev_num,
 				    true);
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX1 << 0x10));
 		break;
 	case SND_SOC_DAPM_PRE_PMD:
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX1 << 0x10 | 0x1));
 		blocking_notifier_call_chain(&wcd937x->mbhc->notifier,
 					     WCD_EVENT_PRE_HPHL_PA_OFF,
 					     &wcd937x->mbhc->wcd_mbhc);
@@ -650,6 +666,16 @@ static int wcd937x_codec_enable_aux_pa(struct snd_soc_dapm_widget *w,
 		ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
 			    wcd937x->rx_swr_dev->dev_num,
 			    true);
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX3 << 0x10));
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX3 << 0x10 | 0x1));
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		usleep_range(1000, 1010);
@@ -685,6 +711,16 @@ static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w,
 		ret = swr_slvdev_datapath_control(wcd937x->rx_swr_dev,
 			    wcd937x->rx_swr_dev->dev_num,
 			    true);
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX1 << 0x10));
+		break;
+	case SND_SOC_DAPM_PRE_PMD:
+		if (wcd937x->update_wcd_event)
+			wcd937x->update_wcd_event(wcd937x->handle,
+						WCD_BOLERO_EVT_RX_MUTE,
+						(WCD_RX1 << 0x10 | 0x1));
 		break;
 	case SND_SOC_DAPM_POST_PMD:
 		usleep_range(7000, 7010);
@@ -1180,6 +1216,35 @@ int wcd937x_micbias_control(struct snd_soc_codec *codec,
 }
 EXPORT_SYMBOL(wcd937x_micbias_control);
 
+static int wcd937x_event_notify(struct notifier_block *block,
+				unsigned long val,
+				void *data)
+{
+	u16 event = (val & 0xffff);
+	u16 amic = (val >> 0x10);
+	u16 mask = 0x40, reg = 0x0;
+	struct wcd937x_priv *wcd937x = dev_get_drvdata((struct device *)data);
+	struct snd_soc_codec *codec = wcd937x->codec;
+
+	switch (event) {
+	case BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR:
+		if (amic == 0x1 || amic == 0x2)
+			reg = WCD937X_ANA_TX_CH2;
+		else if (amic == 0x3)
+			reg = WCD937X_ANA_TX_CH3_HPF;
+		else
+			return 0;
+		if (amic == 0x2)
+			mask = 0x20;
+		snd_soc_update_bits(codec, reg, mask, 0x00);
+		break;
+	default:
+		dev_err(codec->dev, "%s: invalid event %d\n", __func__, event);
+		break;
+	}
+	return 0;
+}
+
 static int __wcd937x_codec_enable_micbias(struct snd_soc_dapm_widget *w,
 					  int event)
 {
@@ -1443,11 +1508,11 @@ static const struct snd_soc_dapm_widget wcd937x_dapm_widgets[] = {
 	SND_SOC_DAPM_PGA_E("EAR PGA", WCD937X_ANA_EAR, 7, 0, NULL, 0,
 				wcd937x_codec_enable_ear_pa,
 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-				SND_SOC_DAPM_POST_PMD),
+				SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
 	SND_SOC_DAPM_PGA_E("AUX PGA", WCD937X_AUX_AUXPA, 7, 0, NULL, 0,
 				wcd937x_codec_enable_aux_pa,
 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
-				SND_SOC_DAPM_POST_PMD),
+				SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD),
 	SND_SOC_DAPM_PGA_E("HPHL PGA", WCD937X_ANA_HPH, 7, 0, NULL, 0,
 				wcd937x_codec_enable_hphl_pa,
 				SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
@@ -1754,7 +1819,6 @@ static int wcd937x_soc_codec_probe(struct snd_soc_codec *codec)
 		return -EINVAL;
 
 	wcd937x->codec = codec;
-
 	variant = (snd_soc_read(codec, WCD937X_DIGITAL_EFUSE_REG_0) & 0x0E) >> 1;
 	wcd937x->variant = variant;
 
@@ -1802,6 +1866,19 @@ static int wcd937x_soc_codec_probe(struct snd_soc_codec *codec)
 		snd_soc_dapm_sync(dapm);
 	}
 	wcd937x->version = WCD937X_VERSION_1_0;
+       /* Register event notifier */
+	wcd937x->nblock.notifier_call = wcd937x_event_notify;
+	if (wcd937x->register_notifier) {
+		ret = wcd937x->register_notifier(wcd937x->handle,
+						&wcd937x->nblock,
+						true);
+		if (ret) {
+			dev_err(codec->dev,
+				"%s: Failed to register notifier %d\n",
+				__func__, ret);
+			return ret;
+		}
+	}
 	return ret;
 
 err_hwdep:
@@ -1818,6 +1895,10 @@ static int wcd937x_soc_codec_remove(struct snd_soc_codec *codec)
 	if (!wcd937x)
 		return -EINVAL;
 
+	if (wcd937x->register_notifier)
+		return wcd937x->register_notifier(wcd937x->handle,
+						&wcd937x->nblock,
+						false);
 	return 0;
 }
 
@@ -1985,6 +2066,7 @@ static int wcd937x_bind(struct device *dev)
 	int ret = 0, i = 0;
 	struct wcd937x_priv *wcd937x = NULL;
 	struct wcd937x_pdata *pdata = NULL;
+	struct wcd_ctrl_platform_data *plat_data = NULL;
 
 	wcd937x = devm_kzalloc(dev, sizeof(struct wcd937x_priv), GFP_KERNEL);
 	if (!wcd937x)
@@ -2008,6 +2090,30 @@ static int wcd937x_bind(struct device *dev)
 		return ret;
 	}
 
+	plat_data = dev_get_platdata(dev->parent);
+	if (!plat_data) {
+		dev_err(dev, "%s: platform data from parent is NULL\n",
+			__func__);
+		return -EINVAL;
+	}
+	wcd937x->handle = (void *)plat_data->handle;
+	if (!wcd937x->handle) {
+		dev_err(dev, "%s: handle is NULL\n", __func__);
+		return -EINVAL;
+	}
+	wcd937x->update_wcd_event = plat_data->update_wcd_event;
+	if (!wcd937x->update_wcd_event) {
+		dev_err(dev, "%s: update_wcd_event api is null!\n",
+			__func__);
+		return -EINVAL;
+	}
+	wcd937x->register_notifier = plat_data->register_notifier;
+	if (!wcd937x->register_notifier) {
+		dev_err(dev, "%s: register_notifier api is null!\n",
+			__func__);
+		return -EINVAL;
+	}
+
 	ret = msm_cdc_enable_static_supplies(dev, wcd937x->supplies,
 					     pdata->regulator,
 					     pdata->num_supplies);