*
* Returns zero if successful, or a negative error code on failure.
*/
-int snd_device_new(snd_card_t *card, snd_device_type_t type,
- void *device_data, snd_device_ops_t *ops)
+int snd_device_new(struct snd_card *card, snd_device_type_t type,
+ void *device_data, struct snd_device_ops *ops)
{
- snd_device_t *dev;
+ struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
snd_assert(ops != NULL, return -ENXIO);
- dev = kcalloc(1, sizeof(*dev), GFP_KERNEL);
- if (dev == NULL)
+ dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+ if (dev == NULL) {
+ snd_printk(KERN_ERR "Cannot allocate device\n");
return -ENOMEM;
+ }
dev->card = card;
dev->type = type;
dev->state = SNDRV_DEV_BUILD;
return 0;
}
+EXPORT_SYMBOL(snd_device_new);
+
/**
* snd_device_free - release the device from the card
* @card: the card instance
* Returns zero if successful, or a negative error code on failure or if the
* device not found.
*/
-int snd_device_free(snd_card_t *card, void *device_data)
+int snd_device_free(struct snd_card *card, void *device_data)
{
struct list_head *list;
- snd_device_t *dev;
+ struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
continue;
/* unlink */
list_del(&dev->list);
- if ((dev->state == SNDRV_DEV_REGISTERED || dev->state == SNDRV_DEV_DISCONNECTED) &&
+ if ((dev->state == SNDRV_DEV_REGISTERED ||
+ dev->state == SNDRV_DEV_DISCONNECTED) &&
dev->ops->dev_unregister) {
if (dev->ops->dev_unregister(dev))
snd_printk(KERN_ERR "device unregister failure\n");
kfree(dev);
return 0;
}
- snd_printd("device free %p (from %p), not found\n", device_data, __builtin_return_address(0));
+ snd_printd("device free %p (from %p), not found\n", device_data,
+ __builtin_return_address(0));
return -ENXIO;
}
+EXPORT_SYMBOL(snd_device_free);
+
/**
* snd_device_disconnect - disconnect the device
* @card: the card instance
* Returns zero if successful, or a negative error code on failure or if the
* device not found.
*/
-int snd_device_disconnect(snd_card_t *card, void *device_data)
+int snd_device_disconnect(struct snd_card *card, void *device_data)
{
struct list_head *list;
- snd_device_t *dev;
+ struct snd_device *dev;
snd_assert(card != NULL, return -ENXIO);
snd_assert(device_data != NULL, return -ENXIO);
dev = snd_device(list);
if (dev->device_data != device_data)
continue;
- if (dev->state == SNDRV_DEV_REGISTERED && dev->ops->dev_disconnect) {
+ if (dev->state == SNDRV_DEV_REGISTERED &&
+ dev->ops->dev_disconnect) {
if (dev->ops->dev_disconnect(dev))
snd_printk(KERN_ERR "device disconnect failure\n");
dev->state = SNDRV_DEV_DISCONNECTED;
}
return 0;
}
- snd_printd("device disconnect %p (from %p), not found\n", device_data, __builtin_return_address(0));
+ snd_printd("device disconnect %p (from %p), not found\n", device_data,
+ __builtin_return_address(0));
return -ENXIO;
}
* Returns zero if successful, or a negative error code on failure or if the
* device not found.
*/
-int snd_device_register(snd_card_t *card, void *device_data)
+int snd_device_register(struct snd_card *card, void *device_data)
{
struct list_head *list;
- snd_device_t *dev;
+ struct snd_device *dev;
int err;
snd_assert(card != NULL, return -ENXIO);
dev->state = SNDRV_DEV_REGISTERED;
return 0;
}
+ snd_printd("snd_device_register busy\n");
return -EBUSY;
}
snd_BUG();
return -ENXIO;
}
+EXPORT_SYMBOL(snd_device_register);
+
/*
* register all the devices on the card.
* called from init.c
*/
-int snd_device_register_all(snd_card_t *card)
+int snd_device_register_all(struct snd_card *card)
{
struct list_head *list;
- snd_device_t *dev;
+ struct snd_device *dev;
int err;
snd_assert(card != NULL, return -ENXIO);
* disconnect all the devices on the card.
* called from init.c
*/
-int snd_device_disconnect_all(snd_card_t *card)
+int snd_device_disconnect_all(struct snd_card *card)
{
- snd_device_t *dev;
+ struct snd_device *dev;
struct list_head *list;
int err = 0;
* release all the devices on the card.
* called from init.c
*/
-int snd_device_free_all(snd_card_t *card, snd_device_cmd_t cmd)
+int snd_device_free_all(struct snd_card *card, snd_device_cmd_t cmd)
{
- snd_device_t *dev;
+ struct snd_device *dev;
struct list_head *list;
int err;
unsigned int range_low, range_high;