linux/drivers/input/misc/ariel-pwrbutton.c

// SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0-or-later
/*
 * Dell Wyse 3020 a.k.a. "Ariel" Power Button Driver
 *
 * Copyright (C) 2020 Lubomir Rintel
 */

#include <linux/device.h>
#include <linux/gfp.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/spi/spi.h>

#define RESP_COUNTER(response) …
#define RESP_SIZE(response) …
#define RESP_TYPE(response) …

struct ec_input_response { … } __packed;

struct ariel_pwrbutton { … };

static int ec_input_read(struct ariel_pwrbutton *priv,
			 struct ec_input_response *response)
{ … }

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

static int ariel_pwrbutton_probe(struct spi_device *spi)
{ … }

static const struct of_device_id ariel_pwrbutton_of_match[] = …;
MODULE_DEVICE_TABLE(of, ariel_pwrbutton_of_match);

static const struct spi_device_id ariel_pwrbutton_spi_ids[] = …;
MODULE_DEVICE_TABLE(spi, ariel_pwrbutton_spi_ids);

static struct spi_driver ariel_pwrbutton_driver = …;
module_spi_driver(…) …;

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