linux/drivers/iio/temperature/tsys02d.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * tsys02d.c - Support for Measurement-Specialties tsys02d temperature sensor
 *
 * Copyright (c) 2015 Measurement-Specialties
 *
 * (7-bit I2C slave address 0x40)
 *
 * Datasheet:
 *  http://www.meas-spec.com/downloads/Digital_Sensor_TSYS02D.pdf
 */

#include <linux/init.h>
#include <linux/device.h>
#include <linux/kernel.h>
#include <linux/stat.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>

#include "../common/ms_sensors/ms_sensors_i2c.h"

#define TSYS02D_RESET …

static const int tsys02d_samp_freq[4] = …;
/* String copy of the above const for readability purpose */
static const char tsys02d_show_samp_freq[] = …;

static int tsys02d_read_raw(struct iio_dev *indio_dev,
			    struct iio_chan_spec const *channel, int *val,
			    int *val2, long mask)
{ … }

static int tsys02d_write_raw(struct iio_dev *indio_dev,
			     struct iio_chan_spec const *chan,
			     int val, int val2, long mask)
{ … }

static const struct iio_chan_spec tsys02d_channels[] = …;

static ssize_t tsys02_read_battery_low(struct device *dev,
				       struct device_attribute *attr,
				       char *buf)
{ … }

static IIO_CONST_ATTR_SAMP_FREQ_AVAIL(tsys02d_show_samp_freq);
static IIO_DEVICE_ATTR(battery_low, S_IRUGO,
		       tsys02_read_battery_low, NULL, 0);

static struct attribute *tsys02d_attributes[] = …;

static const struct attribute_group tsys02d_attribute_group = …;

static const struct iio_info tsys02d_info = …;

static int tsys02d_probe(struct i2c_client *client)
{ … }

static const struct i2c_device_id tsys02d_id[] = …;
MODULE_DEVICE_TABLE(i2c, tsys02d_id);

static struct i2c_driver tsys02d_driver = …;

module_i2c_driver(…) …;

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