snd_pcm_lib_default_mmap9
Default pcm data mmap function
Usage
int snd_pcm_lib_default_mmap(struct snd_pcm_substream * substream, struct vm_area_struct * area);
Arguments
substream
PCM substream
area
VMA
Overview
This is the default mmap handler for PCM data. When mmap pcm_ops is NULL, this function is invoked implicitly.