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.
Returns zero if successful, or a negative error code on failure.