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-rw-r--r--include/sound/core.h62
1 files changed, 58 insertions, 4 deletions
diff --git a/include/sound/core.h b/include/sound/core.h
index 521f036cce99..4b9e609975ab 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -211,9 +211,40 @@ extern struct class *sound_class;
211 211
212void snd_request_card(int card); 212void snd_request_card(int card);
213 213
214int snd_register_device(int type, struct snd_card *card, int dev, 214int snd_register_device_for_dev(int type, struct snd_card *card,
215 const struct file_operations *f_ops, void *private_data, 215 int dev,
216 const char *name); 216 const struct file_operations *f_ops,
217 void *private_data,
218 const char *name,
219 struct device *device);
220
221/**
222 * snd_register_device - Register the ALSA device file for the card
223 * @type: the device type, SNDRV_DEVICE_TYPE_XXX
224 * @card: the card instance
225 * @dev: the device index
226 * @f_ops: the file operations
227 * @private_data: user pointer for f_ops->open()
228 * @name: the device file name
229 *
230 * Registers an ALSA device file for the given card.
231 * The operators have to be set in reg parameter.
232 *
233 * This function uses the card's device pointer to link to the
234 * correct &struct device.
235 *
236 * Returns zero if successful, or a negative error code on failure.
237 */
238static inline int snd_register_device(int type, struct snd_card *card, int dev,
239 const struct file_operations *f_ops,
240 void *private_data,
241 const char *name)
242{
243 return snd_register_device_for_dev(type, card, dev, f_ops,
244 private_data, name,
245 snd_card_get_device_link(card));
246}
247
217int snd_unregister_device(int type, struct snd_card *card, int dev); 248int snd_unregister_device(int type, struct snd_card *card, int dev);
218void *snd_lookup_minor_data(unsigned int minor, int type); 249void *snd_lookup_minor_data(unsigned int minor, int type);
219int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev, 250int snd_add_device_sysfs_file(int type, struct snd_card *card, int dev,
@@ -396,6 +427,29 @@ void snd_verbose_printd(const char *file, int line, const char *format, ...)
396#endif 427#endif
397#endif 428#endif
398 429
399#include "typedefs.h" 430/* PCI quirk list helper */
431struct snd_pci_quirk {
432 unsigned short subvendor; /* PCI subvendor ID */
433 unsigned short subdevice; /* PCI subdevice ID */
434 int value; /* value */
435#ifdef CONFIG_SND_DEBUG_DETECT
436 const char *name; /* name of the device (optional) */
437#endif
438};
439
440#define _SND_PCI_QUIRK_ID(vend,dev) \
441 .subvendor = (vend), .subdevice = (dev)
442#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)}
443#ifdef CONFIG_SND_DEBUG_DETECT
444#define SND_PCI_QUIRK(vend,dev,xname,val) \
445 {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)}
446#else
447#define SND_PCI_QUIRK(vend,dev,xname,val) \
448 {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)}
449#endif
450
451const struct snd_pci_quirk *
452snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
453
400 454
401#endif /* __SOUND_CORE_H */ 455#endif /* __SOUND_CORE_H */