linux/drivers/input/keyboard/mcs_touchkey.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Touchkey driver for MELFAS MCS5000/5080 controller
 *
 * Copyright (C) 2010 Samsung Electronics Co.Ltd
 * Author: HeungJun Kim <[email protected]>
 * Author: Joonyoung Shim <[email protected]>
 */

#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/input.h>
#include <linux/irq.h>
#include <linux/slab.h>
#include <linux/platform_data/mcs.h>
#include <linux/pm.h>

/* MCS5000 Touchkey */
#define MCS5000_TOUCHKEY_STATUS …
#define MCS5000_TOUCHKEY_STATUS_PRESS …
#define MCS5000_TOUCHKEY_FW …
#define MCS5000_TOUCHKEY_BASE_VAL …

/* MCS5080 Touchkey */
#define MCS5080_TOUCHKEY_STATUS …
#define MCS5080_TOUCHKEY_STATUS_PRESS …
#define MCS5080_TOUCHKEY_FW …
#define MCS5080_TOUCHKEY_BASE_VAL …

enum mcs_touchkey_type { … };

struct mcs_touchkey_chip { … };

struct mcs_touchkey_data { … };

static irqreturn_t mcs_touchkey_interrupt(int irq, void *dev_id)
{ … }

static void mcs_touchkey_poweroff(void *data)
{ … }

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

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

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

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

static DEFINE_SIMPLE_DEV_PM_OPS(mcs_touchkey_pm_ops,
				mcs_touchkey_suspend, mcs_touchkey_resume);

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

static struct i2c_driver mcs_touchkey_driver = …;

module_i2c_driver(…) …;

/* Module information */
MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;