snd_pcm_lib_free_pages(9) - phpMan
SND_PCM_LIB_FREE_PAG(9) PCM API SND_PCM_LIB_FREE_PAG(9)
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
Kernel Hackers Manual 4.8. January 2017 SND_PCM_LIB_FREE_PAG(9)
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