HID: hidraw: fix window in hidraw_release
[linux-2.6.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 void 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 }
36
37 #define sp_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
38                 EV_KEY, (c))
39 static int sp_input_mapping(struct hid_device *hdev, struct hid_input *hi,
40                 struct hid_field *field, struct hid_usage *usage,
41                 unsigned long **bit, int *max)
42 {
43         if ((usage->hid & HID_USAGE_PAGE) != HID_UP_CONSUMER)
44                 return 0;
45
46         switch (usage->hid & HID_USAGE) {
47         case 0x2003: sp_map_key_clear(KEY_ZOOMIN);              break;
48         case 0x2103: sp_map_key_clear(KEY_ZOOMOUT);     break;
49         default:
50                 return 0;
51         }
52         return 1;
53 }
54
55 static const struct hid_device_id sp_devices[] = {
56         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
57         { }
58 };
59 MODULE_DEVICE_TABLE(hid, sp_devices);
60
61 static struct hid_driver sp_driver = {
62         .name = "sunplus",
63         .id_table = sp_devices,
64         .report_fixup = sp_report_fixup,
65         .input_mapping = sp_input_mapping,
66 };
67
68 static int __init sp_init(void)
69 {
70         return hid_register_driver(&sp_driver);
71 }
72
73 static void __exit sp_exit(void)
74 {
75         hid_unregister_driver(&sp_driver);
76 }
77
78 module_init(sp_init);
79 module_exit(sp_exit);
80 MODULE_LICENSE("GPL");