SND_PCM_LIB_MALLOC_P(9) PCM API SND_PCM_LIB_MALLOC_P(9)NAMEsnd_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.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SND_PCM_LIB_MALLOC_P(9)
