Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * $Id: evbug.c,v 1.10 2001/09/25 10:12:07 vojtech Exp $ | |
3 | * | |
4 | * Copyright (c) 1999-2001 Vojtech Pavlik | |
5 | */ | |
6 | ||
7 | /* | |
8 | * Input driver event debug module - dumps all events into syslog | |
9 | */ | |
10 | ||
11 | /* | |
12 | * This program is free software; you can redistribute it and/or modify | |
13 | * it under the terms of the GNU General Public License as published by | |
14 | * the Free Software Foundation; either version 2 of the License, or | |
15 | * (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
25 | * | |
26 | * Should you need to contact me, the author, you can do so either by | |
27 | * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: | |
28 | * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic | |
29 | */ | |
30 | ||
31 | #include <linux/slab.h> | |
32 | #include <linux/module.h> | |
33 | #include <linux/input.h> | |
34 | #include <linux/init.h> | |
35 | #include <linux/device.h> | |
36 | ||
37 | MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>"); | |
38 | MODULE_DESCRIPTION("Input driver event debug module"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
1da177e4 LT |
41 | static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value) |
42 | { | |
66e66118 DT |
43 | printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", |
44 | handle->dev->phys, type, code, value); | |
1da177e4 LT |
45 | } |
46 | ||
5b2a0826 DT |
47 | static int evbug_connect(struct input_handler *handler, struct input_dev *dev, |
48 | const struct input_device_id *id) | |
1da177e4 LT |
49 | { |
50 | struct input_handle *handle; | |
5b2a0826 | 51 | int error; |
1da177e4 | 52 | |
5b2a0826 DT |
53 | handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL); |
54 | if (!handle) | |
55 | return -ENOMEM; | |
1da177e4 LT |
56 | |
57 | handle->dev = dev; | |
58 | handle->handler = handler; | |
5b2a0826 DT |
59 | handle->name = "evbug"; |
60 | ||
61 | error = input_register_handle(handle); | |
62 | if (error) | |
63 | goto err_free_handle; | |
1da177e4 | 64 | |
5b2a0826 DT |
65 | error = input_open_device(handle); |
66 | if (error) | |
67 | goto err_unregister_handle; | |
1da177e4 LT |
68 | |
69 | printk(KERN_DEBUG "evbug.c: Connected device: \"%s\", %s\n", dev->name, dev->phys); | |
70 | ||
5b2a0826 DT |
71 | return 0; |
72 | ||
73 | err_unregister_handle: | |
74 | input_unregister_handle(handle); | |
75 | err_free_handle: | |
76 | kfree(handle); | |
77 | return error; | |
1da177e4 LT |
78 | } |
79 | ||
80 | static void evbug_disconnect(struct input_handle *handle) | |
81 | { | |
82 | printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n", handle->dev->phys); | |
83 | ||
84 | input_close_device(handle); | |
5b2a0826 | 85 | input_unregister_handle(handle); |
1da177e4 LT |
86 | kfree(handle); |
87 | } | |
88 | ||
66e66118 | 89 | static const struct input_device_id evbug_ids[] = { |
1da177e4 LT |
90 | { .driver_info = 1 }, /* Matches all devices */ |
91 | { }, /* Terminating zero entry */ | |
92 | }; | |
93 | ||
94 | MODULE_DEVICE_TABLE(input, evbug_ids); | |
95 | ||
96 | static struct input_handler evbug_handler = { | |
97 | .event = evbug_event, | |
98 | .connect = evbug_connect, | |
99 | .disconnect = evbug_disconnect, | |
100 | .name = "evbug", | |
101 | .id_table = evbug_ids, | |
102 | }; | |
103 | ||
104 | static int __init evbug_init(void) | |
105 | { | |
4263cf0f | 106 | return input_register_handler(&evbug_handler); |
1da177e4 LT |
107 | } |
108 | ||
109 | static void __exit evbug_exit(void) | |
110 | { | |
111 | input_unregister_handler(&evbug_handler); | |
112 | } | |
113 | ||
114 | module_init(evbug_init); | |
115 | module_exit(evbug_exit); |