linux/drivers/iio/accel/mc3230.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * mCube MC3230 3-Axis Accelerometer
 *
 * Copyright (c) 2016 Hans de Goede <[email protected]>
 *
 * IIO driver for mCube MC3230; 7-bit I2C address: 0x4c.
 */

#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

#define MC3230_REG_XOUT …
#define MC3230_REG_YOUT …
#define MC3230_REG_ZOUT …

#define MC3230_REG_MODE …
#define MC3230_MODE_OPCON_MASK …
#define MC3230_MODE_OPCON_WAKE …
#define MC3230_MODE_OPCON_STANDBY …

#define MC3230_REG_CHIP_ID …
#define MC3230_CHIP_ID …

#define MC3230_REG_PRODUCT_CODE …
#define MC3230_PRODUCT_CODE …

/*
 * The accelerometer has one measurement range:
 *
 * -1.5g - +1.5g (8-bit, signed)
 *
 * scale = (1.5 + 1.5) * 9.81 / (2^8 - 1)	= 0.115411765
 */

static const int mc3230_nscale = …;

#define MC3230_CHANNEL(reg, axis) …

static const struct iio_chan_spec mc3230_channels[] = …;

struct mc3230_data { … };

static int mc3230_set_opcon(struct mc3230_data *data, int opcon)
{ … }

static int mc3230_read_raw(struct iio_dev *indio_dev,
				struct iio_chan_spec const *chan,
				int *val, int *val2, long mask)
{ … }

static const struct iio_info mc3230_info = …;

static int mc3230_probe(struct i2c_client *client)
{ … }

static void mc3230_remove(struct i2c_client *client)
{ … }

static int mc3230_suspend(struct device *dev)
{ … }

static int mc3230_resume(struct device *dev)
{ … }

static DEFINE_SIMPLE_DEV_PM_OPS(mc3230_pm_ops, mc3230_suspend, mc3230_resume);

static const struct i2c_device_id mc3230_i2c_id[] = …;
MODULE_DEVICE_TABLE(i2c, mc3230_i2c_id);

static struct i2c_driver mc3230_driver = …;

module_i2c_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;