SND_PCM_MMAP_DATA_OP(9)                      PCM API                      SND_PCM_MMAP_DATA_OP(9)



NAME
       snd_pcm_mmap_data_open - increase the mmap counter

SYNOPSIS
       void snd_pcm_mmap_data_open(struct vm_area_struct * area);

ARGUMENTS
       area
           VMA

DESCRIPTION
       PCM mmap callback should handle this counter properly

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