snd_card_new (9) - Linux Man Pages

snd_card_new: create and initialize a soundcard structure

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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