drivers/iio/accel/bma220_spi.c

Source file repositories/reference/linux-study-clean/drivers/iio/accel/bma220_spi.c

File Facts

System
Linux kernel
Corpus path
drivers/iio/accel/bma220_spi.c
Extension
.c
Size
1499 bytes
Lines
61
Domain
Driver Families
Bucket
drivers/iio
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * BMA220 Digital triaxial acceleration sensor driver
 *
 * Copyright (c) 2016,2020 Intel Corporation.
 */

#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/regmap.h>
#include <linux/types.h>
#include <linux/spi/spi.h>

#include "bma220.h"

static int bma220_spi_probe(struct spi_device *spi)
{
	struct regmap *regmap;

	regmap = devm_regmap_init_spi(spi, &bma220_spi_regmap_config);
	if (IS_ERR(regmap))
		return dev_err_probe(&spi->dev, PTR_ERR(regmap),
				     "failed to create regmap\n");

	return bma220_common_probe(&spi->dev, regmap, spi->irq);
}

static const struct spi_device_id bma220_spi_id[] = {
	{ "bma220", 0 },
	{ }
};

static const struct acpi_device_id bma220_acpi_id[] = {
	{ "BMA0220", 0 },
	{ }
};
MODULE_DEVICE_TABLE(spi, bma220_spi_id);

static const struct of_device_id bma220_of_spi_match[] = {
	{ .compatible = "bosch,bma220" },
	{ }
};
MODULE_DEVICE_TABLE(of, bma220_of_spi_match);

static struct spi_driver bma220_spi_driver = {
	.driver = {
		.name = "bma220_spi",
		.pm = pm_sleep_ptr(&bma220_pm_ops),
		.of_match_table = bma220_of_spi_match,
		.acpi_match_table = bma220_acpi_id,
	},
	.probe =            bma220_spi_probe,
	.id_table =         bma220_spi_id,
};
module_spi_driver(bma220_spi_driver);

MODULE_AUTHOR("Tiberiu Breana <tiberiu.a.breana@intel.com>");
MODULE_DESCRIPTION("BMA220 triaxial acceleration sensor spi driver");
MODULE_LICENSE("GPL");
MODULE_IMPORT_NS("IIO_BOSCH_BMA220");

Annotation

Implementation Notes