misc.c 2.8 KB

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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. #include <linux/init.h>
  22. #include <linux/time.h>
  23. #include <linux/ioport.h>
  24. #include <sound/core.h>
  25. void release_and_free_resource(struct resource *res)
  26. {
  27. if (res) {
  28. release_resource(res);
  29. kfree(res);
  30. }
  31. }
  32. EXPORT_SYMBOL(release_and_free_resource);
  33. #ifdef CONFIG_SND_VERBOSE_PRINTK
  34. void snd_verbose_printk(const char *file, int line, const char *format, ...)
  35. {
  36. va_list args;
  37. if (format[0] == '<' && format[1] >= '0' && format[1] <= '7' && format[2] == '>') {
  38. char tmp[] = "<0>";
  39. tmp[1] = format[1];
  40. printk("%sALSA %s:%d: ", tmp, file, line);
  41. format += 3;
  42. } else {
  43. printk("ALSA %s:%d: ", file, line);
  44. }
  45. va_start(args, format);
  46. vprintk(format, args);
  47. va_end(args);
  48. }
  49. EXPORT_SYMBOL(snd_verbose_printk);
  50. #endif
  51. #if defined(CONFIG_SND_DEBUG) && defined(CONFIG_SND_VERBOSE_PRINTK)
  52. void snd_verbose_printd(const char *file, int line, const char *format, ...)
  53. {
  54. va_list args;
  55. if (format[0] == '<' && format[1] >= '0' && format[1] <= '7' && format[2] == '>') {
  56. char tmp[] = "<0>";
  57. tmp[1] = format[1];
  58. printk("%sALSA %s:%d: ", tmp, file, line);
  59. format += 3;
  60. } else {
  61. printk(KERN_DEBUG "ALSA %s:%d: ", file, line);
  62. }
  63. va_start(args, format);
  64. vprintk(format, args);
  65. va_end(args);
  66. }
  67. EXPORT_SYMBOL(snd_verbose_printd);
  68. #endif
  69. #ifdef CONFIG_PCI
  70. #include <linux/pci.h>
  71. /**
  72. * snd_pci_quirk_lookup - look up a PCI SSID quirk list
  73. * @pci: pci_dev handle
  74. * @list: quirk list, terminated by a null entry
  75. *
  76. * Look through the given quirk list and finds a matching entry
  77. * with the same PCI SSID. When subdevice is 0, all subdevice
  78. * values may match.
  79. *
  80. * Returns the matched entry pointer, or NULL if nothing matched.
  81. */
  82. const struct snd_pci_quirk *
  83. snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list)
  84. {
  85. const struct snd_pci_quirk *q;
  86. for (q = list; q->subvendor; q++) {
  87. if (q->subvendor != pci->subsystem_vendor)
  88. continue;
  89. if (!q->subdevice ||
  90. (pci->subsystem_device & q->subdevice_mask) == q->subdevice)
  91. return q;
  92. }
  93. return NULL;
  94. }
  95. EXPORT_SYMBOL(snd_pci_quirk_lookup);
  96. #endif