1REGISTER_SOUND_MIXER(9)          Sound Devices         REGISTER_SOUND_MIXER(9)
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NAME

6       register_sound_mixer - register a mixer device
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SYNOPSIS

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

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

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

23       On success, the allocated number is returned. On failure, a negative
24       error code is returned.
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27Kernel Hackers Manual 3.10         June 2019           REGISTER_SOUND_MIXER(9)
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