2 * Misc and compatibility things
3 * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
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.
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.
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
22 #include <linux/init.h>
23 #include <linux/time.h>
24 #include <linux/ioport.h>
25 #include <sound/core.h>
27 #ifdef CONFIG_SND_DEBUG
29 #ifdef CONFIG_SND_DEBUG_VERBOSE
30 #define DEFAULT_DEBUG_LEVEL 2
32 #define DEFAULT_DEBUG_LEVEL 1
35 static int debug = DEFAULT_DEBUG_LEVEL;
36 module_param(debug, int, 0644);
37 MODULE_PARM_DESC(debug, "Debug level (0 = disable)");
39 #endif /* CONFIG_SND_DEBUG */
41 void release_and_free_resource(struct resource *res)
44 release_resource(res);
49 EXPORT_SYMBOL(release_and_free_resource);
51 #ifdef CONFIG_SND_VERBOSE_PRINTK
52 /* strip the leading path if the given path is absolute */
53 static const char *sanity_file_name(const char *path)
56 return strrchr(path, '/') + 1;
61 /* print file and line with a certain printk prefix */
62 static int print_snd_pfx(unsigned int level, const char *path, int line,
65 const char *file = sanity_file_name(path);
67 const char *pfx = level ? KERN_DEBUG : KERN_DEFAULT;
70 if (format[0] == '<' && format[2] == '>') {
75 printk("%sALSA %s:%d: ", pfx, file, line);
79 #define print_snd_pfx(level, path, line, format) 0
82 #if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
83 void __snd_printk(unsigned int level, const char *path, int line,
84 const char *format, ...)
88 #ifdef CONFIG_SND_DEBUG
92 va_start(args, format);
93 if (print_snd_pfx(level, path, line, format))
94 format += 3; /* skip the printk level-prefix */
95 vprintk(format, args);
98 EXPORT_SYMBOL_GPL(__snd_printk);
102 #include <linux/pci.h>
104 * snd_pci_quirk_lookup - look up a PCI SSID quirk list
105 * @pci: pci_dev handle
106 * @list: quirk list, terminated by a null entry
108 * Look through the given quirk list and finds a matching entry
109 * with the same PCI SSID. When subdevice is 0, all subdevice
112 * Returns the matched entry pointer, or NULL if nothing matched.
114 const struct snd_pci_quirk *
115 snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
117 const struct snd_pci_quirk *q;
119 for (q = list; q->subvendor; q++) {
120 if (q->subvendor != pci->subsystem_vendor)
123 (pci->subsystem_device & q->subdevice_mask) == q->subdevice)
128 EXPORT_SYMBOL(snd_pci_quirk_lookup);