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
41 static char evbug_name[] = "evbug";
42
43 static void evbug_event(struct input_handle *handle, unsigned int type, unsigned int code, int value)
44 {
45 printk(KERN_DEBUG "evbug.c: Event. Dev: %s, Type: %d, Code: %d, Value: %d\n", handle->dev->phys, type, code, value);
46 }
47
48 static struct input_handle *evbug_connect(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id)
49 {
50 struct input_handle *handle;
51
52 if (!(handle = kzalloc(sizeof(struct input_handle), GFP_KERNEL)))
53 return NULL;
54
55 handle->dev = dev;
56 handle->handler = handler;
57 handle->name = evbug_name;
58
59 input_open_device(handle);
60
61 printk(KERN_DEBUG "evbug.c: Connected device: \"%s\", %s\n", dev->name, dev->phys);
62
63 return handle;
64 }
65
66 static void evbug_disconnect(struct input_handle *handle)
67 {
68 printk(KERN_DEBUG "evbug.c: Disconnected device: %s\n", handle->dev->phys);
69
70 input_close_device(handle);
71
72 kfree(handle);
73 }
74
75 static struct input_device_id evbug_ids[] = {
76 { .driver_info = 1 }, /* Matches all devices */
77 { }, /* Terminating zero entry */
78 };
79
80 MODULE_DEVICE_TABLE(input, evbug_ids);
81
82 static struct input_handler evbug_handler = {
83 .event = evbug_event,
84 .connect = evbug_connect,
85 .disconnect = evbug_disconnect,
86 .name = "evbug",
87 .id_table = evbug_ids,
88 };
89
90 static int __init evbug_init(void)
91 {
92 input_register_handler(&evbug_handler);
93 return 0;
94 }
95
96 static void __exit evbug_exit(void)
97 {
98 input_unregister_handler(&evbug_handler);
99 }
100
101 module_init(evbug_init);
102 module_exit(evbug_exit);
103
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