SND_PCM_LIB_FREE_PAG

Section: PCM API (9)
Updated: February 2011
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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.  

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