sound/core/misc.c

   1 /*
   2  *  Misc and compatibility things
   3  *  Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h>
  23 #include <linux/time.h>
  24 #include <linux/ioport.h>
  25 #include <sound/core.h>
  26
  27 void release_and_free_resource(struct resource *res)
  28 {
  29         if (res) {
  30                 release_resource(res);
  31                 kfree(res);
  32         }
  33 }
  34
  35 EXPORT_SYMBOL(release_and_free_resource);
  36
  37 #ifdef CONFIG_SND_VERBOSE_PRINTK
  38 void snd_verbose_printk(const char *file, int line, const char *format, ...)
  39 {
  40         va_list args;
  41
  42         if (format[0] == '<' && format[1] >= '0' && format[1] <= '7' && format[2] == '>') {
  43                 char tmp[] = "<0>";
  44                 tmp[1] = format[1];
  45                 printk("%sALSA %s:%d: ", tmp, file, line);
  46                 format += 3;
  47         } else {
  48                 printk("ALSA %s:%d: ", file, line);
  49         }
  50         va_start(args, format);
  51         vprintk(format, args);
  52         va_end(args);
  53 }
  54
  55 EXPORT_SYMBOL(snd_verbose_printk);
  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] <= '7' && 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
  77 EXPORT_SYMBOL(snd_verbose_printd);
  78 #endif
  79
  80 #ifdef CONFIG_PCI
  81 #include <linux/pci.h>
  82 /**
  83  * snd_pci_quirk_lookup - look up a PCI SSID quirk list
  84  * @pci: pci_dev handle
  85  * @list: quirk list, terminated by a null entry
  86  *
  87  * Look through the given quirk list and finds a matching entry
  88  * with the same PCI SSID.  When subdevice is 0, all subdevice
  89  * values may match.
  90  *
  91  * Returns the matched entry pointer, or NULL if nothing matched.
  92  */
  93 const struct snd_pci_quirk *
  94 snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
  95 {
  96         const struct snd_pci_quirk *q;
  97
  98         for (q = list; q->subvendor; q++) {
  99                 if (q->subvendor != pci->subsystem_vendor)
 100                         continue;
 101                 if (!q->subdevice ||
 102                     (pci->subsystem_device & q->subdevice_mask) == q->subdevice)
 103                         return q;
 104         }
 105         return NULL;
 106 }
 107 EXPORT_SYMBOL(snd_pci_quirk_lookup);
 108 #endif