snd_pcm_lib_mmap_iomem(9)

snd_pcm_lib_mmap_iomem9

Default pcm data mmap function for i/o mem

Usage

int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream * substream, struct vm_area_struct * area);

Arguments

substream

PCM substream

area

VMA

Overview

When your hardware uses the iomapped pages as the hardware buffer and wants to mmap it, pass this function as mmap pcm_ops. Note that this is supposed to work only on limited architectures.

From linux-manual-4.9 4.9.228-1 in Debian 9 (Stretch). Parsed by carta from the page's man source.