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1 | /* |
2 | * HID driver for some belkin "special" devices |
3 | * |
4 | * Copyright (c) 1999 Andreas Gal |
5 | * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz> |
6 | * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc |
7 | * Copyright (c) 2006-2007 Jiri Kosina |
8 | * Copyright (c) 2008 Jiri Slaby |
9 | */ |
10 | |
11 | /* |
12 | * This program is free software; you can redistribute it and/or modify it |
13 | * under the terms of the GNU General Public License as published by the Free |
14 | * Software Foundation; either version 2 of the License, or (at your option) |
15 | * any later version. |
16 | */ |
17 | |
18 | #include <linux/device.h> |
19 | #include <linux/hid.h> |
20 | #include <linux/module.h> |
21 | |
22 | #include "hid-ids.h" |
23 | |
24 | #define BELKIN_HIDDEV 0x01 |
25 | #define BELKIN_WKBD 0x02 |
26 | |
27 | #define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
28 | EV_KEY, (c)) |
29 | static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
30 | struct hid_field *field, struct hid_usage *usage, |
31 | unsigned long **bit, int *max) |
32 | { |
33 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
34 | |
35 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || |
36 | !(quirks & BELKIN_WKBD)) |
37 | return 0; |
38 | |
39 | switch (usage->hid & HID_USAGE) { |
40 | case 0x03a: belkin_map_key_clear(KEY_SOUND); break; |
41 | case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; |
42 | case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; |
43 | default: |
44 | return 0; |
45 | } |
46 | return 1; |
47 | } |
48 | |
49 | static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) |
50 | { |
51 | unsigned long quirks = id->driver_data; |
52 | int ret; |
53 | |
54 | hid_set_drvdata(hdev, (void *)quirks); |
55 | |
56 | ret = hid_parse(hdev); |
57 | if (ret) { |
58 | hid_err(hdev, "parse failed\n"); |
59 | goto err_free; |
60 | } |
61 | |
62 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | |
63 | ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); |
64 | if (ret) { |
65 | hid_err(hdev, "hw start failed\n"); |
66 | goto err_free; |
67 | } |
68 | |
69 | return 0; |
70 | err_free: |
71 | return ret; |
72 | } |
73 | |
74 | static const struct hid_device_id belkin_devices[] = { |
75 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), |
76 | .driver_data = BELKIN_HIDDEV }, |
77 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), |
78 | .driver_data = BELKIN_WKBD }, |
79 | { } |
80 | }; |
81 | MODULE_DEVICE_TABLE(hid, belkin_devices); |
82 | |
83 | static struct hid_driver belkin_driver = { |
84 | .name = "belkin", |
85 | .id_table = belkin_devices, |
86 | .input_mapping = belkin_input_mapping, |
87 | .probe = belkin_probe, |
88 | }; |
89 | module_hid_driver(belkin_driver); |
90 | |
91 | MODULE_LICENSE("GPL"); |
92 |
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