linux/drivers/iio/potentiometer/tpl0102.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * tpl0102.c - Support for Texas Instruments digital potentiometers
 *
 * Copyright (C) 2016, 2018
 * Author: Matt Ranostay <[email protected]>
 *
 * TODO: enable/disable hi-z output control
 */

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

struct tpl0102_cfg { … };

enum tpl0102_type { … };

static const struct tpl0102_cfg tpl0102_cfg[] = …;

struct tpl0102_data { … };

static const struct regmap_config tpl0102_regmap_config = …;

#define TPL0102_CHANNEL(ch) …

static const struct iio_chan_spec tpl0102_channels[] = …;

static int tpl0102_read_raw(struct iio_dev *indio_dev,
			    struct iio_chan_spec const *chan,
			    int *val, int *val2, long mask)
{ … }

static int tpl0102_read_avail(struct iio_dev *indio_dev,
			      struct iio_chan_spec const *chan,
			      const int **vals, int *type, int *length,
			      long mask)
{ … }

static int tpl0102_write_raw(struct iio_dev *indio_dev,
			     struct iio_chan_spec const *chan,
			     int val, int val2, long mask)
{ … }

static const struct iio_info tpl0102_info = …;

static int tpl0102_probe(struct i2c_client *client)
{ … }

static const struct i2c_device_id tpl0102_id[] = …;
MODULE_DEVICE_TABLE(i2c, tpl0102_id);

static struct i2c_driver tpl0102_driver = …;

module_i2c_driver(…) …;

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