linux/drivers/input/keyboard/dlink-dir685-touchkeys.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * D-Link DIR-685 router I2C-based Touchkeys input driver
 * Copyright (C) 2017 Linus Walleij <[email protected]>
 *
 * This is a one-off touchkey controller based on the Cypress Semiconductor
 * CY8C214 MCU with some firmware in its internal 8KB flash. The circuit
 * board inside the router is named E119921
 */

#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/slab.h>
#include <linux/bitops.h>

struct dir685_touchkeys { … };

static irqreturn_t dir685_tk_irq_thread(int irq, void *data)
{ … }

static int dir685_tk_probe(struct i2c_client *client)
{ … }

static const struct i2c_device_id dir685_tk_id[] = …;
MODULE_DEVICE_TABLE(i2c, dir685_tk_id);

#ifdef CONFIG_OF
static const struct of_device_id dir685_tk_of_match[] = …;
MODULE_DEVICE_TABLE(of, dir685_tk_of_match);
#endif

static struct i2c_driver dir685_tk_i2c_driver = …;
module_i2c_driver(…) …;

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