hid: egalax: Correct for device resolution report error
[linux-2.6.git] / drivers / hid / hid-petalynx.c
1 /*
2  *  HID driver for some petalynx "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 /* Petalynx Maxter Remote has maximum for consumer page set too low */
26 static __u8 *pl_report_fixup(struct hid_device *hdev, __u8 *rdesc,
27                 unsigned int *rsize)
28 {
29         if (*rsize >= 60 && rdesc[39] == 0x2a && rdesc[40] == 0xf5 &&
30                         rdesc[41] == 0x00 && rdesc[59] == 0x26 &&
31                         rdesc[60] == 0xf9 && rdesc[61] == 0x00) {
32                 dev_info(&hdev->dev, "fixing up Petalynx Maxter Remote report "
33                                 "descriptor\n");
34                 rdesc[60] = 0xfa;
35                 rdesc[40] = 0xfa;
36         }
37         return rdesc;
38 }
39
40 #define pl_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
41                                         EV_KEY, (c))
42 static int pl_input_mapping(struct hid_device *hdev, struct hid_input *hi,
43                 struct hid_field *field, struct hid_usage *usage,
44                 unsigned long **bit, int *max)
45 {
46         if ((usage->hid & HID_USAGE_PAGE) == HID_UP_LOGIVENDOR) {
47                 switch (usage->hid & HID_USAGE) {
48                 case 0x05a: pl_map_key_clear(KEY_TEXT);         break;
49                 case 0x05b: pl_map_key_clear(KEY_RED);          break;
50                 case 0x05c: pl_map_key_clear(KEY_GREEN);        break;
51                 case 0x05d: pl_map_key_clear(KEY_YELLOW);       break;
52                 case 0x05e: pl_map_key_clear(KEY_BLUE);         break;
53                 default:
54                         return 0;
55                 }
56                 return 1;
57         }
58
59         if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
60                 switch (usage->hid & HID_USAGE) {
61                 case 0x0f6: pl_map_key_clear(KEY_NEXT);         break;
62                 case 0x0fa: pl_map_key_clear(KEY_BACK);         break;
63                 default:
64                         return 0;
65                 }
66                 return 1;
67         }
68
69         return 0;
70 }
71
72 static int pl_probe(struct hid_device *hdev, const struct hid_device_id *id)
73 {
74         int ret;
75
76         hdev->quirks |= HID_QUIRK_NOGET;
77
78         ret = hid_parse(hdev);
79         if (ret) {
80                 dev_err(&hdev->dev, "parse failed\n");
81                 goto err_free;
82         }
83
84         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
85         if (ret) {
86                 dev_err(&hdev->dev, "hw start failed\n");
87                 goto err_free;
88         }
89
90         return 0;
91 err_free:
92         return ret;
93 }
94
95 static const struct hid_device_id pl_devices[] = {
96         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
97         { }
98 };
99 MODULE_DEVICE_TABLE(hid, pl_devices);
100
101 static struct hid_driver pl_driver = {
102         .name = "petalynx",
103         .id_table = pl_devices,
104         .report_fixup = pl_report_fixup,
105         .input_mapping = pl_input_mapping,
106         .probe = pl_probe,
107 };
108
109 static int __init pl_init(void)
110 {
111         return hid_register_driver(&pl_driver);
112 }
113
114 static void __exit pl_exit(void)
115 {
116         hid_unregister_driver(&pl_driver);
117 }
118
119 module_init(pl_init);
120 module_exit(pl_exit);
121 MODULE_LICENSE("GPL");