REGISTER_SOUND_DSP(9) Sound Devices REGISTER_SOUND_DSP(9)NAMEregister_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.
This function allocates both the audio and dsp device entries together
and will always allocate them as a matching pair - eg dsp3/audio3
RETURN
On success, the allocated number is returned. On failure, a negative
error code is returned.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 REGISTER_SOUND_DSP(9)