1SND_CTL_REGISTER_IOC(9)        Control/Mixer API       SND_CTL_REGISTER_IOC(9)
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NAME

6       snd_ctl_register_ioctl - register the device-specific control-ioctls
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SYNOPSIS

9       int snd_ctl_register_ioctl(snd_kctl_ioctl_func_t fcn);
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ARGUMENTS

12       fcn
13           ioctl callback function
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DESCRIPTION

16       called from each device manager like pcm.c, hwdep.c, etc.
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19Kernel Hackers Manual 3.10         June 2019           SND_CTL_REGISTER_IOC(9)
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