1 /* 2 * HID driver for Kye/Genius devices not fully compliant with HID standard 3 * 4 * Copyright (c) 2009 Jiri Kosina 5 * Copyright (c) 2009 Tomas Hanak 6 */ 7 8 /* 9 * This program is free software; you can redistribute it and/or modify it 10 * under the terms of the GNU General Public License as published by the Free 11 * Software Foundation; either version 2 of the License, or (at your option) 12 * any later version. 13 */ 14 15 #include <linux/device.h> 16 #include <linux/hid.h> 17 #include <linux/module.h> 18 19 #include "hid-ids.h" 20 21 /* the fixups that need to be done: 22 * - change led usage page to button for extra buttons 23 * - report size 8 count 1 must be size 1 count 8 for button bitfield 24 * - change the button usage range to 4-7 for the extra buttons 25 */ 26 static __u8 *kye_report_fixup(struct hid_device *hdev, __u8 *rdesc, 27 unsigned int *rsize) 28 { 29 if (*rsize >= 74 && 30 rdesc[61] == 0x05 && rdesc[62] == 0x08 && 31 rdesc[63] == 0x19 && rdesc[64] == 0x08 && 32 rdesc[65] == 0x29 && rdesc[66] == 0x0f && 33 rdesc[71] == 0x75 && rdesc[72] == 0x08 && 34 rdesc[73] == 0x95 && rdesc[74] == 0x01) { 35 dev_info(&hdev->dev, "fixing up Kye/Genius Ergo Mouse report " 36 "descriptor\n"); 37 rdesc[62] = 0x09; 38 rdesc[64] = 0x04; 39 rdesc[66] = 0x07; 40 rdesc[72] = 0x01; 41 rdesc[74] = 0x08; 42 } 43 return rdesc; 44 } 45 46 static const struct hid_device_id kye_devices[] = { 47 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) }, 48 { } 49 }; 50 MODULE_DEVICE_TABLE(hid, kye_devices); 51 52 static struct hid_driver kye_driver = { 53 .name = "kye", 54 .id_table = kye_devices, 55 .report_fixup = kye_report_fixup, 56 }; 57 58 static int __init kye_init(void) 59 { 60 return hid_register_driver(&kye_driver); 61 } 62 63 static void __exit kye_exit(void) 64 { 65 hid_unregister_driver(&kye_driver); 66 } 67 68 module_init(kye_init); 69 module_exit(kye_exit); 70 MODULE_LICENSE("GPL"); 71