release/src-rt-6.x/linux/linux-2.6/sound/core/misc.c

   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/time.h>
  25 #include <linux/ioport.h>
  26 #include <sound/core.h>
  27
  28 void release_and_free_resource(struct resource *res)
  29 {
  30         if (res) {
  31                 release_resource(res);
  32                 kfree(res);
  33         }
  34 }
  35
  36 EXPORT_SYMBOL(release_and_free_resource);
  37
  38 #ifdef CONFIG_SND_VERBOSE_PRINTK
  39 void snd_verbose_printk(const char *file, int line, const char *format, ...)
  40 {
  41         va_list args;
  42
  43         if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
  44                 char tmp[] = "<0>";
  45                 tmp[1] = format[1];
  46                 printk("%sALSA %s:%d: ", tmp, file, line);
  47                 format += 3;
  48         } else {
  49                 printk("ALSA %s:%d: ", file, line);
  50         }
  51         va_start(args, format);
  52         vprintk(format, args);
  53         va_end(args);
  54 }
  55
  56 EXPORT_SYMBOL(snd_verbose_printk);
  57 #endif
  58
  59 #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
  60 void snd_verbose_printd(const char *file, int line, const char *format, ...)
  61 {
  62         va_list args;
  63
  64         if (format[0] == '<' && format[1] >= '0' && format[1] <= '9' && format[2] == '>') {
  65                 char tmp[] = "<0>";
  66                 tmp[1] = format[1];
  67                 printk("%sALSA %s:%d: ", tmp, file, line);
  68                 format += 3;
  69         } else {
  70                 printk(KERN_DEBUG "ALSA %s:%d: ", file, line);
  71         }
  72         va_start(args, format);
  73         vprintk(format, args);
  74         va_end(args);
  75
  76 }
  77
  78 EXPORT_SYMBOL(snd_verbose_printd);
  79 #endif
  80
  81 #ifdef CONFIG_PCI
  82 #include <linux/pci.h>
  83 /**
  84  * snd_pci_quirk_lookup - look up a PCI SSID quirk list
  85  * @pci: pci_dev handle
  86  * @list: quirk list, terminated by a null entry
  87  *
  88  * Look through the given quirk list and finds a matching entry
  89  * with the same PCI SSID.  When subdevice is 0, all subdevice
  90  * values may match.
  91  *
  92  * Returns the matched entry pointer, or NULL if nothing matched.
  93  */
  94 const struct snd_pci_quirk *
  95 snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
  96 {
  97         const struct snd_pci_quirk *q;
  98
  99         for (q = list; q->subvendor; q++)
 100                 if (q->subvendor == pci->subsystem_vendor &&
 101                     (!q->subdevice || q->subdevice == pci->subsystem_device))
 102                         return q;
 103         return NULL;
 104 }
 105
 106 EXPORT_SYMBOL(snd_pci_quirk_lookup);
 107 #endif