aboutsummaryrefslogtreecommitdiff
path: root/include/sound/core.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/sound/core.h')
-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 521f036cce9..4b9e609975a 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -211,9 +211,40 @@ extern struct class *sound_class;
void snd_request_card(int card);
-int snd_register_device(int type, struct snd_card *card, int dev,
- const struct file_operations *f_ops, void *private_data,
- const char *name);
+int snd_register_device_for_dev(int type, struct snd_card *card,
+ int dev,
+ const struct file_operations *f_ops,
+ void *private_data,
+ const char *name,
+ struct device *device);
+
+/**
+ * snd_register_device - Register the ALSA device file for the card
+ * @type: the device type, SNDRV_DEVICE_TYPE_XXX
+ * @card: the card instance
+ * @dev: the device index
+ * @f_ops: the file operations
+ * @private_data: user pointer for f_ops->open()
+ * @name: the device file name
+ *
+ * Registers an ALSA device file for the given card.
+ * The operators have to be set in reg parameter.
+ *
+ * This function uses the card's device pointer to link to the
+ * correct &struct device.
+ *
+ * Returns zero if successful, or a negative error code on failure.
+ */
+static inline int snd_register_device(int type, struct snd_card *card, int dev,
+ const struct file_operations *f_ops,
+ void *private_data,
+ const char *name)
+{
+ return snd_register_device_for_dev(type, card, dev, f_ops,
+ private_data, name,
+ snd_card_get_device_link(card));
+}
+
int snd_unregister_device(int type, struct snd_card *card, int dev);
void *snd_lookup_minor_data(unsigned int minor, int type);
int 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, ...)
#endif
#endif
-#include "typedefs.h"
+/* PCI quirk list helper */
+struct snd_pci_quirk {
+ unsigned short subvendor; /* PCI subvendor ID */
+ unsigned short subdevice; /* PCI subdevice ID */
+ int value; /* value */
+#ifdef CONFIG_SND_DEBUG_DETECT
+ const char *name; /* name of the device (optional) */
+#endif
+};
+
+#define _SND_PCI_QUIRK_ID(vend,dev) \
+ .subvendor = (vend), .subdevice = (dev)
+#define SND_PCI_QUIRK_ID(vend,dev) {_SND_PCI_QUIRK_ID(vend, dev)}
+#ifdef CONFIG_SND_DEBUG_DETECT
+#define SND_PCI_QUIRK(vend,dev,xname,val) \
+ {_SND_PCI_QUIRK_ID(vend, dev), .value = (val), .name = (xname)}
+#else
+#define SND_PCI_QUIRK(vend,dev,xname,val) \
+ {_SND_PCI_QUIRK_ID(vend, dev), .value = (val)}
+#endif
+
+const struct snd_pci_quirk *
+snd_pci_quirk_lookup(struct pci_dev *pci, const struct snd_pci_quirk *list);
+
#endif /* __SOUND_CORE_H */