1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * HID driver for quirky Macally devices 4 * 5 * Copyright (c) 2019 Alex Henrie <alexhenrie24@gmail.com> 6 */ 7 8 #include <linux/hid.h> 9 #include <linux/module.h> 10 11 #include "hid-ids.h" 12 13 MODULE_AUTHOR("Alex Henrie <alexhenrie24@gmail.com>"); 14 MODULE_DESCRIPTION("Macally devices"); 15 MODULE_LICENSE("GPL"); 16 17 /* 18 * The Macally ikey keyboard says that its logical and usage maximums are both 19 * 101, but the power key is 102 and the equals key is 103 20 */ 21 static __u8 *macally_report_fixup(struct hid_device *hdev, __u8 *rdesc, 22 unsigned int *rsize) 23 { 24 if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) { 25 hid_info(hdev, 26 "fixing up Macally ikey keyboard report descriptor\n"); 27 rdesc[53] = rdesc[59] = 0x67; 28 } 29 return rdesc; 30 } 31 32 static const struct hid_device_id macally_id_table[] = { 33 { HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR, 34 USB_DEVICE_ID_MACALLY_IKEY_KEYBOARD) }, 35 { } 36 }; 37 MODULE_DEVICE_TABLE(hid, macally_id_table); 38 39 static struct hid_driver macally_driver = { 40 .name = "macally", 41 .id_table = macally_id_table, 42 .report_fixup = macally_report_fixup, 43 }; 44 45 module_hid_driver(macally_driver); 46