xref: /openbmc/linux/sound/core/misc.c (revision d5cb9783536a41df9f9cba5b0a1d78047ed787f7)
1 /*
2  *  Misc and compatibility things
3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
4  *
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21 
22 #include <sound/driver.h>
23 #include <linux/init.h>
24 #include <linux/sched.h>
25 #include <linux/time.h>
26 #include <sound/core.h>
27 
28 int snd_task_name(struct task_struct *task, char *name, size_t size)
29 {
30 	unsigned int idx;
31 
32 	snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
33 	for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
34 		name[idx] = task->comm[idx];
35 	name[idx] = '\0';
36 	return 0;
37 }
38 
39 #ifdef CONFIG_SND_VERBOSE_PRINTK
40 void snd_verbose_printk(const char *file, int line, const char *format, ...)
41 {
42 	va_list args;
43 
44 	if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
45 		char tmp[] = "<0>";
46 		tmp[1] = format[1];
47 		printk("%sALSA %s:%d: ", tmp, file, line);
48 		format += 3;
49 	} else {
50 		printk("ALSA %s:%d: ", file, line);
51 	}
52 	va_start(args, format);
53 	vprintk(format, args);
54 	va_end(args);
55 }
56 #endif
57 
58 #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
59 void snd_verbose_printd(const char *file, int line, const char *format, ...)
60 {
61 	va_list args;
62 
63 	if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
64 		char tmp[] = "<0>";
65 		tmp[1] = format[1];
66 		printk("%sALSA %s:%d: ", tmp, file, line);
67 		format += 3;
68 	} else {
69 		printk(KERN_DEBUG "ALSA %s:%d: ", file, line);
70 	}
71 	va_start(args, format);
72 	vprintk(format, args);
73 	va_end(args);
74 
75 }
76 #endif
77