diff options
Diffstat (limited to 'drivers/hid/hid-macally.c')
-rw-r--r-- | drivers/hid/hid-macally.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/hid/hid-macally.c b/drivers/hid/hid-macally.c new file mode 100644 index 000000000..aea46e522 --- /dev/null +++ b/drivers/hid/hid-macally.c @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * HID driver for quirky Macally devices + * + * Copyright (c) 2019 Alex Henrie <alexhenrie24@gmail.com> + */ + +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +MODULE_AUTHOR("Alex Henrie <alexhenrie24@gmail.com>"); +MODULE_DESCRIPTION("Macally devices"); +MODULE_LICENSE("GPL"); + +/* + * The Macally ikey keyboard says that its logical and usage maximums are both + * 101, but the power key is 102 and the equals key is 103 + */ +static __u8 *macally_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + if (*rsize >= 60 && rdesc[53] == 0x65 && rdesc[59] == 0x65) { + hid_info(hdev, + "fixing up Macally ikey keyboard report descriptor\n"); + rdesc[53] = rdesc[59] = 0x67; + } + return rdesc; +} + +static const struct hid_device_id macally_id_table[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_SOLID_YEAR, + USB_DEVICE_ID_MACALLY_IKEY_KEYBOARD) }, + { } +}; +MODULE_DEVICE_TABLE(hid, macally_id_table); + +static struct hid_driver macally_driver = { + .name = "macally", + .id_table = macally_id_table, + .report_fixup = macally_report_fixup, +}; + +module_hid_driver(macally_driver); |