snd_pcm_lib_free_pages (9) - Linux Manuals
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