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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) 2007 Paul Walmsley |
9 | * Copyright (c) 2008 Jiri Slaby |
10 | */ |
11 | |
12 | /* |
13 | * This program is free software; you can redistribute it and/or modify it |
14 | * under the terms of the GNU General Public License as published by the Free |
15 | * Software Foundation; either version 2 of the License, or (at your option) |
16 | * any later version. |
17 | */ |
18 | |
19 | #include <linux/device.h> |
20 | #include <linux/hid.h> |
21 | #include <linux/module.h> |
22 | |
23 | #include "hid-ids.h" |
24 | |
25 | #define BELKIN_HIDDEV 0x01 |
26 | #define BELKIN_WKBD 0x02 |
27 | |
28 | #define belkin_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, \ |
29 | EV_KEY, (c)) |
30 | static int belkin_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
31 | struct hid_field *field, struct hid_usage *usage, |
32 | unsigned long **bit, int *max) |
33 | { |
34 | unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); |
35 | |
36 | if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER || |
37 | !(quirks & BELKIN_WKBD)) |
38 | return 0; |
39 | |
40 | switch (usage->hid & HID_USAGE) { |
41 | case 0x03a: belkin_map_key_clear(KEY_SOUND); break; |
42 | case 0x03b: belkin_map_key_clear(KEY_CAMERA); break; |
43 | case 0x03c: belkin_map_key_clear(KEY_DOCUMENTS); break; |
44 | default: |
45 | return 0; |
46 | } |
47 | return 1; |
48 | } |
49 | |
50 | static int belkin_probe(struct hid_device *hdev, const struct hid_device_id *id) |
51 | { |
52 | unsigned long quirks = id->driver_data; |
53 | int ret; |
54 | |
55 | hid_set_drvdata(hdev, (void *)quirks); |
56 | |
57 | ret = hid_parse(hdev); |
58 | if (ret) { |
59 | dev_err(&hdev->dev, "parse failed\n"); |
60 | goto err_free; |
61 | } |
62 | |
63 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT | |
64 | ((quirks & BELKIN_HIDDEV) ? HID_CONNECT_HIDDEV_FORCE : 0)); |
65 | if (ret) { |
66 | dev_err(&hdev->dev, "hw start failed\n"); |
67 | goto err_free; |
68 | } |
69 | |
70 | return 0; |
71 | err_free: |
72 | return ret; |
73 | } |
74 | |
75 | static const struct hid_device_id belkin_devices[] = { |
76 | { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM), |
77 | .driver_data = BELKIN_HIDDEV }, |
78 | { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD), |
79 | .driver_data = BELKIN_WKBD }, |
80 | { } |
81 | }; |
82 | MODULE_DEVICE_TABLE(hid, belkin_devices); |
83 | |
84 | static struct hid_driver belkin_driver = { |
85 | .name = "belkin", |
86 | .id_table = belkin_devices, |
87 | .input_mapping = belkin_input_mapping, |
88 | .probe = belkin_probe, |
89 | }; |
90 | |
91 | static int __init belkin_init(void) |
92 | { |
93 | return hid_register_driver(&belkin_driver); |
94 | } |
95 | |
96 | static void __exit belkin_exit(void) |
97 | { |
98 | hid_unregister_driver(&belkin_driver); |
99 | } |
100 | |
101 | module_init(belkin_init); |
102 | module_exit(belkin_exit); |
103 | MODULE_LICENSE("GPL"); |
104 |
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Tags:
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v2.6.34-rc5
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