snd_card_new
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Name

snd_card_new — create and initialize a soundcard structure

Synopsis

int snd_card_new (struct device * parent,
 int idx,
 const char * xid,
 struct module * module,
 int extra_size,
 struct snd_card ** card_ret);
 

Arguments

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

Description

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.

Return

Zero if successful or a negative error code.

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