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489c75af0f
To avoid unnecessary pollution of the global symbol namespace move the driver core exports into their own namespace and import that into the two bus modules. For more info see https://lwn.net/Articles/760045/ Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20220116180535.2367780-9-jic23@kernel.org
70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* ADXL372 3-Axis Digital Accelerometer I2C driver
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*
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* Copyright 2018 Analog Devices Inc.
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*/
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#include <linux/i2c.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include "adxl372.h"
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static const struct regmap_config adxl372_regmap_config = {
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.reg_bits = 8,
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.val_bits = 8,
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.readable_noinc_reg = adxl372_readable_noinc_reg,
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};
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static int adxl372_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct regmap *regmap;
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unsigned int regval;
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int ret;
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regmap = devm_regmap_init_i2c(client, &adxl372_regmap_config);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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ret = regmap_read(regmap, ADXL372_REVID, ®val);
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if (ret < 0)
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return ret;
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/* Starting with the 3rd revision an I2C chip bug was fixed */
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if (regval < 3)
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dev_warn(&client->dev,
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"I2C might not work properly with other devices on the bus");
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return adxl372_probe(&client->dev, regmap, client->irq, id->name);
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}
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static const struct i2c_device_id adxl372_i2c_id[] = {
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{ "adxl372", 0 },
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{}
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};
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MODULE_DEVICE_TABLE(i2c, adxl372_i2c_id);
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static const struct of_device_id adxl372_of_match[] = {
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{ .compatible = "adi,adxl372" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, adxl372_of_match);
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static struct i2c_driver adxl372_i2c_driver = {
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.driver = {
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.name = "adxl372_i2c",
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.of_match_table = adxl372_of_match,
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},
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.probe = adxl372_i2c_probe,
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.id_table = adxl372_i2c_id,
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};
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module_i2c_driver(adxl372_i2c_driver);
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MODULE_AUTHOR("Stefan Popa <stefan.popa@analog.com>");
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MODULE_DESCRIPTION("Analog Devices ADXL372 3-axis accelerometer I2C driver");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(IIO_ADXL372);
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