REGISTER_SOUND_MIXER(9)                   Sound Devices                   REGISTER_SOUND_MIXER(9)



NAME
       register_sound_mixer - register a mixer device

SYNOPSIS
       int register_sound_mixer(const struct file_operations * fops, int dev);

ARGUMENTS
       fops
           File operations for the driver

       dev
           Unit number to allocate

DESCRIPTION
       Allocate a mixer device. Unit is the number of the mixer requested. Pass -1 to request the
       next free mixer unit.

RETURN
       On success, the allocated number is returned. On failure, a negative error code is
       returned.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   REGISTER_SOUND_MIXER(9)