1REGISTER_SOUND_DSP(9)            Sound Devices           REGISTER_SOUND_DSP(9)
2
3
4

NAME

6       register_sound_dsp - register a DSP device
7

SYNOPSIS

9       int register_sound_dsp(const struct file_operations * fops, int dev);
10

ARGUMENTS

12       fops
13           File operations for the driver
14
15       dev
16           Unit number to allocate
17

DESCRIPTION

19       Allocate a DSP device. Unit is the number of the DSP requested. Pass -1
20       to request the next free DSP unit.
21
22       This function allocates both the audio and dsp device entries together
23       and will always allocate them as a matching pair - eg dsp3/audio3
24

RETURN

26       On success, the allocated number is returned. On failure, a negative
27       error code is returned.
28

30Kernel Hackers Manual 3.10         June 2019             REGISTER_SOUND_DSP(9)
Impressum