linux/sound/core/misc.c
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   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 <sound/driver.h>
  23#include <linux/init.h>
  24#include <linux/time.h>
  25#include <linux/ioport.h>
  26#include <sound/core.h>
  27
  28void release_and_free_resource(struct resource *res)
  29{
  30        if (res) {
  31                release_resource(res);
  32                kfree(res);
  33        }
  34}
  35
  36EXPORT_SYMBOL(release_and_free_resource);
  37
  38#ifdef CONFIG_SND_VERBOSE_PRINTK
  39void 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
  56EXPORT_SYMBOL(snd_verbose_printk);
  57#endif
  58
  59#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
  60void 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
  78EXPORT_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 */
  94const struct snd_pci_quirk *
  95snd_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
 106EXPORT_SYMBOL(snd_pci_quirk_lookup);
 107#endif
 108