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