1SND_PCM_LIB_MALLOC_P(9)             PCM API            SND_PCM_LIB_MALLOC_P(9)
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NAME

6       snd_pcm_lib_malloc_pages - allocate the DMA buffer
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SYNOPSIS

9       int snd_pcm_lib_malloc_pages(struct snd_pcm_substream * substream,
10                                    size_t size);
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ARGUMENTS

13       substream
14           the substream to allocate the DMA buffer to
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16       size
17           the requested buffer size in bytes
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DESCRIPTION

20       Allocates the DMA buffer on the BUS type given earlier to
21       snd_pcm_lib_preallocate_xxx_pages.
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23       Returns 1 if the buffer is changed, 0 if not changed, or a negative
24       code on failure.
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27Kernel Hackers Manual 2.6.         June 2019           SND_PCM_LIB_MALLOC_P(9)
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