snd_pcm_lib_mmap_iomem(9) - phpMan
SND_PCM_LIB_MMAP_IOM(9) PCM API SND_PCM_LIB_MMAP_IOM(9)
NAME
snd_pcm_lib_mmap_iomem - Default PCM data mmap function for I/O mem
SYNOPSIS
int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream * substream,
struct vm_area_struct * area);
ARGUMENTS
substream
PCM substream
area
VMA
DESCRIPTION
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.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 SND_PCM_LIB_MMAP_IOM(9)
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