misc.c 2.8 KB

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