register_sound_dsp

Langue: en

Autres versions - même langue

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

Section: 9 (Appels noyau Linux)

Sommaire

NAME

register_sound_dsp - register a DSP device

SYNOPSIS

int register_sound_dsp(const struct file_operations * fops, int dev);

ARGUMENTS

fops

File operations for the driver

dev

Unit number to allocate

DESCRIPTION

Allocate a DSP device. Unit is the number of the DSP requested. Pass -1 to request the next free DSP unit. On success the allocated number is returned, on failure a negative error code is returned.

This function allocates both the audio and dsp device entries together and will always allocate them as a matching pair - eg dsp3/audio3