Create and initialize a soundcard structure
int snd_card_new(struct device * parent, int idx, const char * xid, struct module * module, int extra_size, struct snd_card ** card_ret);
parent
the parent device object
idx
card index (address) [0 ... (SNDRV_CARDS-1)]
xid
card identification (ASCII string)
module
top level module for locking
extra_size
allocate this extra size after the main soundcard structure
card_ret
the pointer to store the created card instance
Creates and initializes a soundcard structure.
The function allocates snd_card instance via kzalloc with the given space for the driver to use freely. The allocated struct is stored in the given card_ret pointer.
Zero if successful or a negative error code.