18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * HID driver for Keytouch devices not fully compliant with HID standard 48c2ecf20Sopenharmony_ci * 58c2ecf20Sopenharmony_ci * Copyright (c) 2011 Jiri Kosina 68c2ecf20Sopenharmony_ci */ 78c2ecf20Sopenharmony_ci 88c2ecf20Sopenharmony_ci/* 98c2ecf20Sopenharmony_ci */ 108c2ecf20Sopenharmony_ci 118c2ecf20Sopenharmony_ci#include <linux/device.h> 128c2ecf20Sopenharmony_ci#include <linux/hid.h> 138c2ecf20Sopenharmony_ci#include <linux/module.h> 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#include "hid-ids.h" 168c2ecf20Sopenharmony_ci 178c2ecf20Sopenharmony_ci/* Replace the broken report descriptor of this device with rather 188c2ecf20Sopenharmony_ci * a default one */ 198c2ecf20Sopenharmony_cistatic __u8 keytouch_fixed_rdesc[] = { 208c2ecf20Sopenharmony_ci0x05, 0x01, 0x09, 0x06, 0xa1, 0x01, 0x05, 0x07, 0x19, 0xe0, 0x29, 0xe7, 0x15, 218c2ecf20Sopenharmony_ci0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x08, 0x81, 0x02, 0x95, 0x01, 0x75, 0x08, 228c2ecf20Sopenharmony_ci0x81, 0x01, 0x95, 0x03, 0x75, 0x01, 0x05, 0x08, 0x19, 0x01, 0x29, 0x03, 0x91, 238c2ecf20Sopenharmony_ci0x02, 0x95, 0x05, 0x75, 0x01, 0x91, 0x01, 0x95, 0x06, 0x75, 0x08, 0x15, 0x00, 248c2ecf20Sopenharmony_ci0x26, 0xff, 0x00, 0x05, 0x07, 0x19, 0x00, 0x2a, 0xff, 0x00, 0x81, 0x00, 0xc0 258c2ecf20Sopenharmony_ci}; 268c2ecf20Sopenharmony_ci 278c2ecf20Sopenharmony_cistatic __u8 *keytouch_report_fixup(struct hid_device *hdev, __u8 *rdesc, 288c2ecf20Sopenharmony_ci unsigned int *rsize) 298c2ecf20Sopenharmony_ci{ 308c2ecf20Sopenharmony_ci hid_info(hdev, "fixing up Keytouch IEC report descriptor\n"); 318c2ecf20Sopenharmony_ci 328c2ecf20Sopenharmony_ci rdesc = keytouch_fixed_rdesc; 338c2ecf20Sopenharmony_ci *rsize = sizeof(keytouch_fixed_rdesc); 348c2ecf20Sopenharmony_ci 358c2ecf20Sopenharmony_ci return rdesc; 368c2ecf20Sopenharmony_ci} 378c2ecf20Sopenharmony_ci 388c2ecf20Sopenharmony_cistatic const struct hid_device_id keytouch_devices[] = { 398c2ecf20Sopenharmony_ci { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) }, 408c2ecf20Sopenharmony_ci { } 418c2ecf20Sopenharmony_ci}; 428c2ecf20Sopenharmony_ciMODULE_DEVICE_TABLE(hid, keytouch_devices); 438c2ecf20Sopenharmony_ci 448c2ecf20Sopenharmony_cistatic struct hid_driver keytouch_driver = { 458c2ecf20Sopenharmony_ci .name = "keytouch", 468c2ecf20Sopenharmony_ci .id_table = keytouch_devices, 478c2ecf20Sopenharmony_ci .report_fixup = keytouch_report_fixup, 488c2ecf20Sopenharmony_ci}; 498c2ecf20Sopenharmony_cimodule_hid_driver(keytouch_driver); 508c2ecf20Sopenharmony_ci 518c2ecf20Sopenharmony_ciMODULE_LICENSE("GPL"); 528c2ecf20Sopenharmony_ciMODULE_AUTHOR("Jiri Kosina"); 53