OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / include / linux / hid-debug.h
blob53744fa1c8b7af4aac65c057a09518a5fec70f05
1 #ifndef __HID_DEBUG_H
2 #define __HID_DEBUG_H
4 /*
5 * Copyright (c) 2007-2009 Jiri Kosina
6 */
8 /*
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 #define HID_DEBUG_BUFSIZE 512
27 #ifdef CONFIG_DEBUG_FS
29 void hid_dump_input(struct hid_device *, struct hid_usage *, __s32);
30 void hid_dump_device(struct hid_device *, struct seq_file *);
31 void hid_dump_field(struct hid_field *, int, struct seq_file *);
32 char *hid_resolv_usage(unsigned, struct seq_file *);
33 void hid_debug_register(struct hid_device *, const char *);
34 void hid_debug_unregister(struct hid_device *);
35 void hid_debug_init(void);
36 void hid_debug_exit(void);
37 void hid_debug_event(struct hid_device *, char *);
40 struct hid_debug_list {
41 char *hid_debug_buf;
42 int head;
43 int tail;
44 struct fasync_struct *fasync;
45 struct hid_device *hdev;
46 struct list_head node;
47 struct mutex read_mutex;
50 #else
52 #define hid_dump_input(a,b,c) do { } while (0)
53 #define hid_dump_device(a,b) do { } while (0)
54 #define hid_dump_field(a,b,c) do { } while (0)
55 #define hid_resolv_usage(a,b) do { } while (0)
56 #define hid_debug_register(a, b) do { } while (0)
57 #define hid_debug_unregister(a) do { } while (0)
58 #define hid_debug_init() do { } while (0)
59 #define hid_debug_exit() do { } while (0)
60 #define hid_debug_event(a,b) do { } while (0)
62 #endif
64 #endif