snd_pcm_lib_ioctl

Langue: en

Autres versions - même langue

Version: June 2009 (debian - 07/07/09)

Section: 9 (Appels noyau Linux)

Sommaire

NAME

snd_pcm_lib_ioctl - a generic PCM ioctl callback

SYNOPSIS

int snd_pcm_lib_ioctl(struct snd_pcm_substream * substream, unsigned int cmd, void * arg);

ARGUMENTS

substream

the pcm substream instance

cmd

ioctl command

arg

ioctl argument

DESCRIPTION

Processes the generic ioctl commands for PCM. Can be passed as the ioctl callback for PCM ops.

Returns zero if successful, or a negative error code on failure.