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drivers: sensor: ams_iAQcore: Update driver to use i2c_dt_spec

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Move driver to use i2c_dt_spec for I2C bus access.

Signed-off-by: Kumar Gala <galak@kernel.org>
This commit is contained in:
Kumar Gala 2022-06-10 17:13:57 -05:00 • committed by Maureen Helm
commit e3f991b7b8
2 changed files with 15 additions and 10 deletions
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20
drivers/sensor/ams_iAQcore/iAQcore.c
View file

@ -23,6 +23,7 @@ static int iaqcore_sample_fetch(const struct device *dev,
enum sensor_channel chan)
{
struct iaq_core_data *drv_data = dev->data;
const struct iaq_core_config *config = dev->config;
struct iaq_registers buf;
struct i2c_msg msg;
int ret, tries;
@ -35,8 +36,7 @@ static int iaqcore_sample_fetch(const struct device *dev,
for (tries = 0; tries < CONFIG_IAQ_CORE_MAX_READ_RETRIES; tries++) {
ret = i2c_transfer(drv_data->i2c, &msg, 1,
DT_INST_REG_ADDR(0));
ret = i2c_transfer_dt(&config->i2c, &msg, 1);
if (ret < 0) {
LOG_ERR("Failed to read registers data [%d].", ret);
return -EIO;
@ -100,13 +100,11 @@ static const struct sensor_driver_api iaq_core_driver_api = {
static int iaq_core_init(const struct device *dev)
{
struct iaq_core_data *drv_data = dev->data;
const struct iaq_core_config *config = dev->config;
drv_data->i2c = device_get_binding(DT_INST_BUS_LABEL(0));
if (drv_data->i2c == NULL) {
LOG_ERR("Failed to get pointer to %s device!",
DT_INST_BUS_LABEL(0));
return -EINVAL;
if (!device_is_ready(config->i2c.bus)) {
LOG_ERR("Bus device is not ready");
return -ENODEV;
}
return 0;
@ -114,6 +112,10 @@ static int iaq_core_init(const struct device *dev)
static struct iaq_core_data iaq_core_driver;
static const struct iaq_core_config iaq_core_config = {
.i2c = I2C_DT_SPEC_INST_GET(0),
};
DEVICE_DT_INST_DEFINE(0, iaq_core_init, NULL,
&iaq_core_driver, NULL, POST_KERNEL,
&iaq_core_driver, &iaq_core_config, POST_KERNEL,
CONFIG_SENSOR_INIT_PRIORITY, &iaq_core_driver_api);

5
drivers/sensor/ams_iAQcore/iAQcore.h
View file

@ -17,8 +17,11 @@ struct iaq_registers {
uint16_t voc;
} __packed;
struct iaq_core_config {
struct i2c_dt_spec i2c;
};
struct iaq_core_data {
const struct device *i2c;
uint16_t co2;
uint16_t voc;
uint8_t status;