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SND_PCM_LIB_FREE_PAG(9) Sound Devices 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

February 2017 Kernel Hackers Manual 3.16