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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * HID driver for some monterey "special" devices4 *5 * Copyright (c) 1999 Andreas Gal6 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>7 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc8 * Copyright (c) 2006-2007 Jiri Kosina9 * Copyright (c) 2008 Jiri Slaby10 */11 12/*13 */14 15#include <linux/device.h>16#include <linux/hid.h>17#include <linux/module.h>18 19#include "hid-ids.h"20 21static const __u8 *mr_report_fixup(struct hid_device *hdev, __u8 *rdesc,22 unsigned int *rsize)23{24 if (*rsize >= 31 && rdesc[29] == 0x05 && rdesc[30] == 0x09) {25 hid_info(hdev, "fixing up button/consumer in HID report descriptor\n");26 rdesc[30] = 0x0c;27 }28 return rdesc;29}30 31#define mr_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \32 EV_KEY, (c))33static int mr_input_mapping(struct hid_device *hdev, struct hid_input *hi,34 struct hid_field *field, struct hid_usage *usage,35 unsigned long **bit, int *max)36{37 if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)38 return 0;39 40 switch (usage->hid & HID_USAGE) {41 case 0x156: mr_map_key_clear(KEY_WORDPROCESSOR); break;42 case 0x157: mr_map_key_clear(KEY_SPREADSHEET); break;43 case 0x158: mr_map_key_clear(KEY_PRESENTATION); break;44 case 0x15c: mr_map_key_clear(KEY_STOP); break;45 default:46 return 0;47 }48 return 1;49}50 51static const struct hid_device_id mr_devices[] = {52 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },53 { }54};55MODULE_DEVICE_TABLE(hid, mr_devices);56 57static struct hid_driver mr_driver = {58 .name = "monterey",59 .id_table = mr_devices,60 .report_fixup = mr_report_fixup,61 .input_mapping = mr_input_mapping,62};63module_hid_driver(mr_driver);64 65MODULE_DESCRIPTION("HID driver for some monterey \"special\" devices");66MODULE_LICENSE("GPL");67