linux-2.6.33/snd_device_new()
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開始行:
*参照元 [#w7f7a722]
#backlinks
*説明 [#x69ac784]
-パス: [[linux-2.6.33/sound/core/device.c]]
-FIXME: これは何?
--説明
**引数 [#p3be01f2]
-struct snd_card *card
--
--[[linux-2.6.33/snd_card]]
-snd_device_type_t type
--
--[[linux-2.6.33/snd_device_type_t]]
-void *device_data
--
-struct snd_device_ops *ops
--
--[[linux-2.6.33/snd_device_ops]]
**返り値 [#fc0958b2]
-int
--
**参考 [#f3aaa1a1]
*実装 [#rca3de12]
/**
* snd_device_new - create an ALSA device component
* @card: the card instance
* @type: the device type, SNDRV_DEV_XXX
* @device_data: the data pointer of this device
* @ops: the operator table
*
* Creates a new device component for the given data poi...
* The device will be assigned to the card and managed t...
* by the card.
*
* The data pointer plays a role as the identifier, too,...
* pointer address must be unique and unchanged.
*
* Returns zero if successful, or a negative error code ...
*/
int snd_device_new(struct snd_card *card, snd_device_typ...
void *device_data, struct snd_device_ops *ops)
{
struct snd_device *dev;
-
--[[linux-2.6.33/snd_device]]
if (snd_BUG_ON(!card || !device_data || !ops))
return -ENXIO;
-
--[[linux-2.6.33/snd_BUG_ON()]]
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
snd_printk(KERN_ERR "Cannot allocate device\n");
return -ENOMEM;
}
-
--[[linux-2.6.33/kzalloc()]]
-
--[[linux-2.6.33/snd_printk()]]
dev->card = card;
dev->type = type;
dev->state = SNDRV_DEV_BUILD;
dev->device_data = device_data;
dev->ops = ops;
list_add(&dev->list, &card->devices); /* add to the hea...
-
--[[linux-2.6.33/SNDRV_DEV_BUILD]]
-
--[[linux-2.6.33/list_add()]]
return 0;
}
EXPORT_SYMBOL(snd_device_new);
-ライセンスに関係なくシンボルを公開する。
--[[linux-2.6.33/EXPORT_SYMBOL()]]
*コメント [#x8f403f1]
終了行:
*参照元 [#w7f7a722]
#backlinks
*説明 [#x69ac784]
-パス: [[linux-2.6.33/sound/core/device.c]]
-FIXME: これは何?
--説明
**引数 [#p3be01f2]
-struct snd_card *card
--
--[[linux-2.6.33/snd_card]]
-snd_device_type_t type
--
--[[linux-2.6.33/snd_device_type_t]]
-void *device_data
--
-struct snd_device_ops *ops
--
--[[linux-2.6.33/snd_device_ops]]
**返り値 [#fc0958b2]
-int
--
**参考 [#f3aaa1a1]
*実装 [#rca3de12]
/**
* snd_device_new - create an ALSA device component
* @card: the card instance
* @type: the device type, SNDRV_DEV_XXX
* @device_data: the data pointer of this device
* @ops: the operator table
*
* Creates a new device component for the given data poi...
* The device will be assigned to the card and managed t...
* by the card.
*
* The data pointer plays a role as the identifier, too,...
* pointer address must be unique and unchanged.
*
* Returns zero if successful, or a negative error code ...
*/
int snd_device_new(struct snd_card *card, snd_device_typ...
void *device_data, struct snd_device_ops *ops)
{
struct snd_device *dev;
-
--[[linux-2.6.33/snd_device]]
if (snd_BUG_ON(!card || !device_data || !ops))
return -ENXIO;
-
--[[linux-2.6.33/snd_BUG_ON()]]
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (dev == NULL) {
snd_printk(KERN_ERR "Cannot allocate device\n");
return -ENOMEM;
}
-
--[[linux-2.6.33/kzalloc()]]
-
--[[linux-2.6.33/snd_printk()]]
dev->card = card;
dev->type = type;
dev->state = SNDRV_DEV_BUILD;
dev->device_data = device_data;
dev->ops = ops;
list_add(&dev->list, &card->devices); /* add to the hea...
-
--[[linux-2.6.33/SNDRV_DEV_BUILD]]
-
--[[linux-2.6.33/list_add()]]
return 0;
}
EXPORT_SYMBOL(snd_device_new);
-ライセンスに関係なくシンボルを公開する。
--[[linux-2.6.33/EXPORT_SYMBOL()]]
*コメント [#x8f403f1]
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