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.