1SND_PCM_LIB_PREALLOC(9)             PCM API            SND_PCM_LIB_PREALLOC(9)
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NAME

6       snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous
7       memory type (all substreams)
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SYNOPSIS

10       int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm * pcm,
11                                                 int type, void * data,
12                                                 size_t size, size_t max);
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ARGUMENTS

15       pcm
16           the pcm instance
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18       type
19           DMA type (SNDRV_DMA_TYPE_*)
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21       data
22           DMA type dependant data
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24       size
25           the requested pre-allocation size in bytes
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27       max
28           the max. allowed pre-allocation size
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DESCRIPTION

31       Do pre-allocation to all substreams of the given pcm for the specified
32       DMA type.
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34       Returns zero if successful, or a negative error code on failure.
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37Kernel Hackers Manual 2.6.         June 2019           SND_PCM_LIB_PREALLOC(9)
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