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. Returns zero if successful, or a negative error code on failure. COPYRIGHT Kernel Hackers Manual 2.6. November 2013 SND_PCM_LIB_FREE_PAG(9)[top]
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