snd_pcm_lib_default_mmap (9) Linux Manual Page
snd_pcm_lib_default_mmap – Default PCM data mmap function
Synopsis
int snd_pcm_lib_default_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *area);Arguments
substream
-
- PCM substream
area
- VMA
Description
This is the default mmap handler for PCM data. When mmap pcm_ops is NULL, this function is invoked implicitly.