SND_PCM_LIB_PREALLOC(9)                      PCM API                      SND_PCM_LIB_PREALLOC(9)



NAME
       snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continuous memory type (all
       substreams)

SYNOPSIS
       int snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm * pcm, int type, void * data,
                                                 size_t size, size_t max);

ARGUMENTS
       pcm
           the pcm instance

       type
           DMA type (SNDRV_DMA_TYPE_*)

       data
           DMA type dependent data

       size
           the requested pre-allocation size in bytes

       max
           the max. allowed pre-allocation size

DESCRIPTION
       Do pre-allocation to all substreams of the given pcm for the specified DMA type.

RETURN
       Zero if successful, or a negative error code on failure.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                   SND_PCM_LIB_PREALLOC(9)