SND_PCM_LIB_MALLOC_P
Section: PCM API (9)
Updated: February 2011
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NAME
snd_pcm_lib_malloc_pages - allocate the DMA buffer
SYNOPSIS
-
int snd_pcm_lib_malloc_pages(struct snd_pcm_substream * substream, size_t size);
ARGUMENTS
substream
-
- the substream to allocate the DMA buffer to
size
-
the requested buffer size in bytes
DESCRIPTION
Allocates the DMA buffer on the BUS type given earlier to
snd_pcm_lib_preallocate_xxx_pages.
Returns 1 if the buffer is changed, 0 if not changed, or a negative code on failure.
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