// SPDX-License-Identifier: GPL-2.0-or-later/* *  HID support for Linux * *  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) 2007-2008 Oliver Neukum *  Copyright (c) 2006-2012 Jiri Kosina *  Copyright (c) 2012 Henrik Rydberg */ /* */ #include <linux/module.h>#include <linux/slab.h>#include <linux/kernel.h>#include <linux/unaligned.h>#include <asm/byteorder.h> #include <linux/hid.h> static struct hid_driver hid_generic; static int __check_hid_generic(struct device_driver *drv, void *data){	struct hid_driver *hdrv = to_hid_driver(drv);	struct hid_device *hdev = data; 	if (hdrv == &hid_generic)		return 0; 	return hid_match_device(hdev, hdrv) != NULL;} static bool hid_generic_match(struct hid_device *hdev,			      bool ignore_special_driver){	if (ignore_special_driver)		return true; 	if (hdev->quirks & HID_QUIRK_IGNORE_SPECIAL_DRIVER)		return true; 	if (hdev->quirks & HID_QUIRK_HAVE_SPECIAL_DRIVER)		return false; 	/*	 * If any other driver wants the device, leave the device to this other	 * driver.	 */	if (bus_for_each_drv(&hid_bus_type, NULL, hdev, __check_hid_generic))		return false; 	return true;} static int hid_generic_probe(struct hid_device *hdev,			     const struct hid_device_id *id){	int ret; 	hdev->quirks |= HID_QUIRK_INPUT_PER_APP; 	ret = hid_parse(hdev);	if (ret)		return ret; 	return hid_hw_start(hdev, HID_CONNECT_DEFAULT);} static int hid_generic_reset_resume(struct hid_device *hdev){	if (hdev->claimed & HID_CLAIMED_INPUT)		hidinput_reset_resume(hdev); 	return 0;} static const struct hid_device_id hid_table[] = {	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, HID_ANY_ID, HID_ANY_ID) },	{ }};MODULE_DEVICE_TABLE(hid, hid_table); static struct hid_driver hid_generic = {	.name = "hid-generic",	.id_table = hid_table,	.match = hid_generic_match,	.probe = hid_generic_probe,	.reset_resume = hid_generic_reset_resume,};module_hid_driver(hid_generic); MODULE_AUTHOR("Henrik Rydberg");MODULE_DESCRIPTION("HID generic driver");MODULE_LICENSE("GPL");