2 * Misc and compatibility things
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/slab.h>
25 #include <linux/ioport.h>
26 #include <sound/core.h>
28 #ifdef CONFIG_SND_DEBUG
30 #ifdef CONFIG_SND_DEBUG_VERBOSE
31 #define DEFAULT_DEBUG_LEVEL 2
33 #define DEFAULT_DEBUG_LEVEL 1
36 static int debug = DEFAULT_DEBUG_LEVEL;
37 module_param(debug, int, 0644);
38 MODULE_PARM_DESC(debug, "Debug level (0 = disable)");
40 #endif /* CONFIG_SND_DEBUG */
42 void release_and_free_resource(struct resource *res)
45 release_resource(res);
50 EXPORT_SYMBOL(release_and_free_resource);
52 #ifdef CONFIG_SND_VERBOSE_PRINTK
53 /* strip the leading path if the given path is absolute */
54 static const char *sanity_file_name(const char *path)
57 return strrchr(path, '/') + 1;
62 /* print file and line with a certain printk prefix */
63 static int print_snd_pfx(unsigned int level, const char *path, int line,
66 const char *file = sanity_file_name(path);
68 const char *pfx = level ? KERN_DEBUG : KERN_DEFAULT;
71 if (format[0] == '<' && format[2] == '>') {
76 printk("%sALSA %s:%d: ", pfx, file, line);
80 #define print_snd_pfx(level, path, line, format) 0
83 #if defined(CONFIG_SND_DEBUG) || defined(CONFIG_SND_VERBOSE_PRINTK)
84 void __snd_printk(unsigned int level, const char *path, int line,
85 const char *format, ...)
89 #ifdef CONFIG_SND_DEBUG
93 va_start(args, format);
94 if (print_snd_pfx(level, path, line, format))
95 format += 3; /* skip the printk level-prefix */
96 vprintk(format, args);
99 EXPORT_SYMBOL_GPL(__snd_printk);
103 #include <linux/pci.h>
105 * snd_pci_quirk_lookup_id - look up a PCI SSID quirk list
106 * @vendor: PCI SSV id
107 * @device: PCI SSD id
108 * @list: quirk list, terminated by a null entry
110 * Look through the given quirk list and finds a matching entry
111 * with the same PCI SSID. When subdevice is 0, all subdevice
114 * Returns the matched entry pointer, or NULL if nothing matched.
116 const struct snd_pci_quirk *
117 snd_pci_quirk_lookup_id(u16 vendor, u16 device,
118 const struct snd_pci_quirk *list)
120 const struct snd_pci_quirk *q;
122 for (q = list; q->subvendor; q++) {
123 if (q->subvendor != vendor)
126 (device & q->subdevice_mask) == q->subdevice)
131 EXPORT_SYMBOL(snd_pci_quirk_lookup_id);
134 * snd_pci_quirk_lookup - look up a PCI SSID quirk list
135 * @pci: pci_dev handle
136 * @list: quirk list, terminated by a null entry
138 * Look through the given quirk list and finds a matching entry
139 * with the same PCI SSID. When subdevice is 0, all subdevice
142 * Returns the matched entry pointer, or NULL if nothing matched.
144 const struct snd_pci_quirk *
145 snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
147 return snd_pci_quirk_lookup_id(pci->subsystem_vendor,
148 pci->subsystem_device,
151 EXPORT_SYMBOL(snd_pci_quirk_lookup);