snd_card_create

Langue: en

Version: October 2010 (fedora - 01/12/10)

Section: 9 (Appels noyau Linux)

NAME

snd_card_create - create and initialize a soundcard structure

SYNOPSIS

int snd_card_create(int idx, const char * xid, struct module * module, int extra_size, struct snd_card ** card_ret);

ARGUMENTS

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.

Returns zero if successful or a negative error code.