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staging: iio: ad7746: Use devm_iio_device_alloc 

Using devm_iio_device_alloc makes code simpler.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Sachin Kamat 2013-08-24 20:24:00 +01:00 committed by Jonathan Cameron
parent 538ee7cbff
commit 0eab65c64a
1 changed files with 5 additions and 13 deletions
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18
drivers/staging/iio/cdc/ad7746.c
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@ -699,11 +699,9 @@ static int ad7746_probe(struct i2c_client *client,
int ret = 0;
unsigned char regval = 0;
indio_dev = iio_device_alloc(sizeof(*chip));
if (indio_dev == NULL) {
ret = -ENOMEM;
goto error_ret;
}
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
if (!indio_dev)
return -ENOMEM;
chip = iio_priv(indio_dev);
/* this is only used for device removal purposes */
i2c_set_clientdata(client, indio_dev);
@ -748,20 +746,15 @@ static int ad7746_probe(struct i2c_client *client,
ret = i2c_smbus_write_byte_data(chip->client,
AD7746_REG_EXC_SETUP, regval);
if (ret < 0)
goto error_free_dev;
return ret;
ret = iio_device_register(indio_dev);
if (ret)
goto error_free_dev;
return ret;
dev_info(&client->dev, "%s capacitive sensor registered\n", id->name);
return 0;
error_free_dev:
iio_device_free(indio_dev);
error_ret:
return ret;
}
static int ad7746_remove(struct i2c_client *client)
@ -769,7 +762,6 @@ static int ad7746_remove(struct i2c_client *client)
struct iio_dev *indio_dev = i2c_get_clientdata(client);
iio_device_unregister(indio_dev);
iio_device_free(indio_dev);
return 0;
}