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ASoC: es7202: add supply voltage recognizing and set channels_max to 8

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Signed-off-by: Shunhua Lan <lsh@rock-chips.com>
Change-Id: Icda031758b217c1b7c3524d6fe9ffd6a542f8bcf
This commit is contained in:
Shunhua Lan
2021-11-17 09:32:20 +08:00
committed by Tao Huang
parent 0e6433e98f
commit 267e9b4290
2 changed files with 29 additions and 50 deletions
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77
sound/soc/codecs/es7202.c
View File

@@ -21,6 +21,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/regulator/consumer.h>
#include <linux/spi/spi.h>
#include <linux/platform_device.h>
#include <linux/slab.h>
@@ -50,6 +51,7 @@ struct es7202_priv {
struct i2c_client *i2c;
unsigned int pwr_vdd_voltage;
struct regulator *vdd;
int reset_gpio;
bool reset_active_level;
};
@@ -558,7 +560,7 @@ static struct snd_soc_dai_driver es7202_dai0 = {
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
@@ -572,7 +574,7 @@ static struct snd_soc_dai_driver es7202_dai1 = {
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 4,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
@@ -586,7 +588,7 @@ static struct snd_soc_dai_driver es7202_dai2 = {
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 6,
.channels_max = 8,
.rates = es7202_RATES,
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
@@ -839,66 +841,43 @@ static int es7202_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct es7202_priv *es7202;
int uV;
int ret = -1;
//enum of_gpio_flags flags;
//struct device_node *np = i2c->dev.of_node;
printk("enter into %s()\n", __func__);
dev_info(&i2c->dev, "probe\n");
es7202 = devm_kzalloc(&i2c->dev, sizeof(*es7202), GFP_KERNEL);
if (!es7202)
return -ENOMEM;
es7202->i2c = i2c;
es7202->pwr_vdd_voltage = ES7202_VDD_VOLTAGE;
es7202->vdd = devm_regulator_get_optional(&i2c->dev, "power");
if (IS_ERR(es7202->vdd)) {
if (PTR_ERR(es7202->vdd) == -EPROBE_DEFER)
return -EPROBE_DEFER;
dev_warn(&i2c->dev, "power-supply get fail, use 3v3 as default\n");
es7202->pwr_vdd_voltage = VDD_3V3;
} else {
uV = regulator_get_voltage(es7202->vdd);
dev_info(&i2c->dev, "probe power-supply %duV\n", uV);
if (uV <= MAX_VOLTAGE_1_8)
es7202->pwr_vdd_voltage = VDD_1V8;
else
es7202->pwr_vdd_voltage = VDD_3V3;
}
dev_set_drvdata(&i2c->dev, es7202);
if (id->driver_data < ADC_DEV_MAXNUM) {
i2c_ctl[id->driver_data] = i2c;
#if 0
if(id->driver_data == 0) {
es7202->reset_gpio = of_get_named_gpio_flags(np,
"es7202-reset-gpio",
0,
&flags);
if (es7202->reset_gpio < 0) {
dev_info(&i2c->dev,
"Can not read property spk_ctl_gpio\n");
es7202->reset_gpio = -1;
} else {
es7202->reset_active_level =
!(flags & OF_GPIO_ACTIVE_LOW);
ret = devm_gpio_request_one(&i2c->dev,
es7202->reset_gpio,
GPIOF_DIR_OUT,
NULL);
if (ret) {
dev_err(&i2c->dev,
"Failed to request spk_ctl_gpio\n");
//return ret;
} else {
gpio_set_value(es7202->reset_gpio,
es7202->reset_active_level);
msleep(50);
gpio_set_value(es7202->reset_gpio,
!es7202->reset_active_level);
}
}
}
#endif
printk("%s()-----1\n", __func__);
dev_info(&i2c->dev, "probe reigister es7202 dai(%s) component\n",
es7202_dai[id->driver_data]->name);
ret = devm_snd_soc_register_component(&i2c->dev, &soc_codec_dev_es7202,
es7202_dai[id->driver_data],
1);
es7202_dai[id->driver_data], 1);
if (ret < 0) {
return ret;
}
}
}
ret = sysfs_create_group(&i2c->dev.kobj, &es7202_debug_attr_group);
if (ret) {
pr_err("failed to create attr group\n");
}
dev_err(&i2c->dev, "failed to create attr group\n");
}
return ret;
}

2
sound/soc/codecs/es7202.h
View File

@@ -42,7 +42,7 @@
/* ES7202 User Marco define */
#define VDD_1V8 0
#define VDD_3V3 1
#define ES7202_VDD_VOLTAGE VDD_3V3
#define MAX_VOLTAGE_1_8 1980000
/*
* Select Microphone channels for mic array