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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/sound/soc/codecs/es7202.c
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@@ -21,6 +21,7 @@
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 #include <linux/delay.h>
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 #include <linux/pm.h>
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 #include <linux/i2c.h>
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+#include <linux/regulator/consumer.h>
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 #include <linux/spi/spi.h>
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 #include <linux/platform_device.h>
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 #include <linux/slab.h>
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@@ -50,6 +51,7 @@
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 	struct i2c_client *i2c;
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52
 
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 	unsigned int pwr_vdd_voltage;
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+	struct regulator *vdd;
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 	int reset_gpio;
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 	bool reset_active_level;
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 };
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@@ -72,8 +74,8 @@
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 	read_cmd[0] = reg;
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 	cmd_len = 1;
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-	if (client->adapter == NULL)
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-		printk("es7202_read client->adapter==NULL\n");
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+	if (!client || !client->adapter)
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+		return -1;
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 	ret = i2c_master_send(client, read_cmd, cmd_len);
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 	if (ret != cmd_len) {
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@@ -94,6 +96,9 @@
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 {
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 	int ret = 0;
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 	u8 write_cmd[2] = { 0 };
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+
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+	if (!client || !client->adapter)
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+		return -1;
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 	write_cmd[0] = reg;
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 	write_cmd[1] = value;
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@@ -533,20 +538,24 @@
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 #endif
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 };
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-static int es7202_mute(struct snd_soc_dai *dai, int mute)
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+static int es7202_mute(struct snd_soc_dai *dai, int mute, int stream)
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 {
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+	if (stream == SNDRV_PCM_STREAM_PLAYBACK)
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+		return 0;
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+
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 	if (mute) {
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 		es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x03);
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-	} else if (dai->playback_active) {
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-		es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x00);		
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+	} else {
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+		es7202_multi_chips_update_bits(ES7202_PDM_INF_CTL_REG07, 0x03,0x00);
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 	}
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+
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 	return 0;
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 }
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554
 
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 #define es7202_RATES SNDRV_PCM_RATE_8000_96000
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 static struct snd_soc_dai_ops es7202_ops = {
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-	.digital_mute = es7202_mute,
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+	.mute_stream = es7202_mute,
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 };
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 #if ES7202_CHANNELS_MAX > 0
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 static struct snd_soc_dai_driver es7202_dai0 = {
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@@ -554,7 +563,7 @@
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 	.capture = {
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 		.stream_name = "Capture",
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 		.channels_min = 1,
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-		.channels_max = 2,
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+		.channels_max = 8,
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 		.rates = es7202_RATES,
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 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
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 	},
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@@ -568,7 +577,7 @@
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 	.capture = {
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 		.stream_name = "Capture",
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 		.channels_min = 1,
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-		.channels_max = 4,
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+		.channels_max = 8,
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 		.rates = es7202_RATES,
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 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
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 	},
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@@ -582,7 +591,7 @@
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 	.capture = {
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 		.stream_name = "Capture",
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 		.channels_min = 1,
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-		.channels_max = 6,
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+		.channels_max = 8,
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 		.rates = es7202_RATES,
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 		.formats = SNDRV_PCM_FMTBIT_S16_LE,
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 	},
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@@ -835,66 +844,43 @@
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 			    const struct i2c_device_id *id)
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 {
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 	struct es7202_priv *es7202;
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+	int uV;
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 	int ret = -1;
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-	//enum of_gpio_flags flags;
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-	//struct device_node *np = i2c->dev.of_node;
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-	
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-	printk("enter into %s()\n", __func__);
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-	
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+
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+	dev_info(&i2c->dev, "probe\n");
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 	es7202 = devm_kzalloc(&i2c->dev, sizeof(*es7202), GFP_KERNEL);
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 	if (!es7202)
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 		return -ENOMEM;
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-
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 	es7202->i2c = i2c;
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-  	es7202->pwr_vdd_voltage = ES7202_VDD_VOLTAGE;
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-  
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+	es7202->vdd = devm_regulator_get_optional(&i2c->dev, "power");
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+	if (IS_ERR(es7202->vdd)) {
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+		if (PTR_ERR(es7202->vdd) == -EPROBE_DEFER)
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+			return -EPROBE_DEFER;
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+		dev_warn(&i2c->dev, "power-supply get fail, use 3v3 as default\n");
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+		es7202->pwr_vdd_voltage = VDD_3V3;
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+	} else {
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+		uV = regulator_get_voltage(es7202->vdd);
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+		dev_info(&i2c->dev, "probe power-supply %duV\n", uV);
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+		if (uV <= MAX_VOLTAGE_1_8)
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+			es7202->pwr_vdd_voltage = VDD_1V8;
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+		else
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+			es7202->pwr_vdd_voltage = VDD_3V3;
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+	}
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 	dev_set_drvdata(&i2c->dev, es7202);
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 	if (id->driver_data < ADC_DEV_MAXNUM) {
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 		i2c_ctl[id->driver_data] = i2c;
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-   #if 0 
855
-    		if(id->driver_data == 0) {
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-			es7202->reset_gpio = of_get_named_gpio_flags(np,
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-						"es7202-reset-gpio",
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-						0,
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-						&flags);
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-			if (es7202->reset_gpio < 0) {
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-				dev_info(&i2c->dev, 
862
-					"Can not read property spk_ctl_gpio\n");
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-				es7202->reset_gpio = -1;
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-			} else {
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-				es7202->reset_active_level = 
866
-						!(flags & OF_GPIO_ACTIVE_LOW);
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-				ret = devm_gpio_request_one(&i2c->dev, 
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-						es7202->reset_gpio,
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-						GPIOF_DIR_OUT, 
870
-						NULL);
871
-				if (ret) {
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-					dev_err(&i2c->dev, 
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-						"Failed to request spk_ctl_gpio\n");
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-					//return ret;
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-				} else {
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-					gpio_set_value(es7202->reset_gpio, 
877
-						es7202->reset_active_level);
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-					msleep(50);
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-					gpio_set_value(es7202->reset_gpio, 
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-						!es7202->reset_active_level);
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-				}
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-			}
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-		}
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-#endif
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-		printk("%s()-----1\n", __func__);
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+		dev_info(&i2c->dev, "probe reigister es7202 dai(%s) component\n",
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+			 es7202_dai[id->driver_data]->name);
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 		ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_es7202,
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-					     es7202_dai[id->driver_data],
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-					     1);
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+						      es7202_dai[id->driver_data], 1);
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 		if (ret < 0) {
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 			return ret;
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-		}				     
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+		}
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 	}
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 	ret = sysfs_create_group(&i2c->dev.kobj, &es7202_debug_attr_group);
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 	if (ret) {
895
-		pr_err("failed to create attr group\n");
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-	}	
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-
882
+		dev_err(&i2c->dev, "failed to create attr group\n");
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+	}
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 	return ret;
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 }
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