REGISTER_SOUND_DSP(9) Sound Devices REGISTER_SOUND_DSP(9)
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
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 REGISTER_SOUND_DSP(9)