Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
snd_device_new - create an ALSA device component
SYNOPSIS
int snd_device_new (snd_card_t * card, snd_device_type_t type,
void * device_data, snd_device_ops_t * ops);
ARGUMENTS
card the card instance
type the device type, SNDRV_DEV_XXX
device_data
the data pointer of this device
ops the operator table
DESCRIPTION
Creates a new device component for the given data pointer. The device
will be assigned to the card and managed together by the card.
The data pointer plays a role as the identifier, too, so the pointer
address must be unique and unchanged.
Returns zero if successful, or a negative error code on failure.