linux/drivers/misc/isl29020.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * isl29020.c - Intersil  ALS Driver
 *
 * Copyright (C) 2008 Intel Corp
 *
 *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 * Data sheet at: http://www.intersil.com/data/fn/fn6505.pdf
 */

#include <linux/module.h>
#include <linux/slab.h>
#include <linux/i2c.h>
#include <linux/err.h>
#include <linux/delay.h>
#include <linux/sysfs.h>
#include <linux/pm_runtime.h>

static DEFINE_MUTEX(mutex);

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

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

static ssize_t als_sensing_range_store(struct device *dev,
		struct device_attribute *attr, const  char *buf, size_t count)
{ … }

static void als_set_power_state(struct i2c_client *client, int enable)
{ … }

static DEVICE_ATTR(lux0_sensor_range, S_IRUGO | S_IWUSR,
	als_sensing_range_show, als_sensing_range_store);
static DEVICE_ATTR(lux0_input, S_IRUGO, als_lux_input_data_show, NULL);

static struct attribute *mid_att_als[] = …;

static const struct attribute_group m_als_gr = …;

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

static int  isl29020_probe(struct i2c_client *client)
{ … }

static void isl29020_remove(struct i2c_client *client)
{ … }

static const struct i2c_device_id isl29020_id[] = …;

MODULE_DEVICE_TABLE(i2c, isl29020_id);

#ifdef CONFIG_PM

static int isl29020_runtime_suspend(struct device *dev)
{ … }

static int isl29020_runtime_resume(struct device *dev)
{ … }

static const struct dev_pm_ops isl29020_pm_ops = …;

#define ISL29020_PM_OPS …
#else	/* CONFIG_PM */
#define ISL29020_PM_OPS …
#endif	/* CONFIG_PM */

static struct i2c_driver isl29020_driver = …;

module_i2c_driver(…) …;

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