table of contents
| 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¶
| April 2023 | Kernel Hackers Manual 2.6. |