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IB/pack: Remove some unused code added by the IBoE patches
[karo-tx-linux.git] / drivers / hid / hid-sunplus.c
1 /*
2  *  HID driver for some sunplus "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 static __u8 *sp_report_fixup(struct hid_device *hdev, __u8 *rdesc,
26                 unsigned int *rsize)
27 {
28         if (*rsize >= 107 && rdesc[104] == 0x26 && rdesc[105] == 0x80 &&
29                         rdesc[106] == 0x03) {
30                 dev_info(&hdev->dev, "fixing up Sunplus Wireless Desktop "
31                                 "report descriptor\n");
32                 rdesc[105] = rdesc[110] = 0x03;
33                 rdesc[106] = rdesc[111] = 0x21;
34         }
35         return rdesc;
36 }
37
38 #define sp_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
39                 EV_KEY, (c))
40 static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
41                 struct hid_field *field, struct hid_usage *usage,
42                 unsigned long **bit, int *max)
43 {
44         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
45                 return 0;
46
47         switch (usage->hid & HID_USAGE) {
48         case 0x2003: sp_map_key_clear(KEY_ZOOMIN);              break;
49         case 0x2103: sp_map_key_clear(KEY_ZOOMOUT);     break;
50         default:
51                 return 0;
52         }
53         return 1;
54 }
55
56 static const struct hid_device_id sp_devices[] = {
57         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
58         { }
59 };
60 MODULE_DEVICE_TABLE(hid, sp_devices);
61
62 static struct hid_driver sp_driver = {
63         .name = "sunplus",
64         .id_table = sp_devices,
65         .report_fixup = sp_report_fixup,
66         .input_mapping = sp_input_mapping,
67 };
68
69 static int __init sp_init(void)
70 {
71         return hid_register_driver(&sp_driver);
72 }
73
74 static void __exit sp_exit(void)
75 {
76         hid_unregister_driver(&sp_driver);
77 }
78
79 module_init(sp_init);
80 module_exit(sp_exit);
81 MODULE_LICENSE("GPL");