linux/drivers/hid/hid-viewsonic.c

// SPDX-License-Identifier: GPL-2.0+
/*
 *  HID driver for ViewSonic devices not fully compliant with HID standard
 *
 *  Copyright (c) 2017 Nikolai Kondrashov
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

#include <linux/device.h>
#include <linux/hid.h>
#include <linux/module.h>

#include "hid-ids.h"

/* Size of the original descriptor of PD1011 signature pad */
#define PD1011_RDESC_ORIG_SIZE …

/* Fixed report descriptor of PD1011 signature pad */
static __u8 pd1011_rdesc_fixed[] = …;

static __u8 *viewsonic_report_fixup(struct hid_device *hdev, __u8 *rdesc,
				    unsigned int *rsize)
{ … }

static const struct hid_device_id viewsonic_devices[] = …;
MODULE_DEVICE_TABLE(hid, viewsonic_devices);

static struct hid_driver viewsonic_driver = …;
module_hid_driver(…) …;

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