LXR linux/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
  27void release_and_free_resource(struct resource *res)
  28{
  29        if (res) {
  30                release_resource(res);
  31                kfree(res);
  32        }
  33}
  34
  35EXPORT_SYMBOL(release_and_free_resource);
  36
  37#ifdef CONFIG_SND_VERBOSE_PRINTK
  38void 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
  55EXPORT_SYMBOL(snd_verbose_printk);
  56#endif
  57
  58#if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
  59void 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
  77EXPORT_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 */
  93const struct snd_pci_quirk *
  94snd_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                    (!q->subdevice || q->subdevice == pci->subsystem_device))
 101                        return q;
 102        return NULL;
 103}
 104
 105EXPORT_SYMBOL(snd_pci_quirk_lookup);
 106#endif
 107