snd_pcm_lib_free_pages (9) - Linux Man Pages

snd_pcm_lib_free_pages: release the allocated DMA buffer.

NAME

snd_pcm_lib_free_pages - release the allocated DMA buffer.

SYNOPSIS

int snd_pcm_lib_free_pages(struct snd_pcm_substream substream);

ARGUMENTS

substream

the substream to release the DMA buffer

DESCRIPTION

Releases the DMA buffer allocated via snd_pcm_lib_malloc_pages.

RETURN

Zero if successful, or a negative error code on failure.

COPYRIGHT