// SPDX-License-Identifier: GPL-2.0-or-later/* *  HID driver for some sunplus "special" devices * *  Copyright (c) 1999 Andreas Gal *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc *  Copyright (c) 2006-2007 Jiri Kosina *  Copyright (c) 2008 Jiri Slaby */ /* */ #include <linux/device.h>#include <linux/hid.h>#include <linux/module.h> #include "hid-ids.h" static const __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,		unsigned int *rsize){	if (*rsize >= 112 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&			rdesc[106] == 0x03) {		hid_info(hdev, "fixing up Sunplus Wireless Desktop report descriptor\n");		rdesc[105] = rdesc[110] = 0x03;		rdesc[106] = rdesc[111] = 0x21;	}	return rdesc;} #define sp_map_key_clear(c)	hid_map_usage_clear(hi, usage, bit, max, \		EV_KEY, (c))static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi,		struct hid_field *field, struct hid_usage *usage,		unsigned long **bit, int *max){	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)		return 0; 	switch (usage->hid & HID_USAGE) {	case 0x2003: sp_map_key_clear(KEY_ZOOMIN);		break;	case 0x2103: sp_map_key_clear(KEY_ZOOMOUT);	break;	default:		return 0;	}	return 1;} static const struct hid_device_id sp_devices[] = {	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },	{ }};MODULE_DEVICE_TABLE(hid, sp_devices); static struct hid_driver sp_driver = {	.name = "sunplus",	.id_table = sp_devices,	.report_fixup = sp_report_fixup,	.input_mapping = sp_input_mapping,};module_hid_driver(sp_driver); MODULE_DESCRIPTION("HID driver for some sunplus \"special\" devices");MODULE_LICENSE("GPL");