snd_card_new (9) - Linux Manuals

snd_card_new: create and initialize a soundcard structure

Command to display snd_card_new manual in Linux: $ man 9 snd_card_new

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.