snd_pcm_lib_free_pages
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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.

Return

Zero if successful, or a negative error code on failure.

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