Query: snd_pcm_lib_preallocate_pages_for_all
OS: centos
Section: 9
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
SND_PCM_LIB_PREALLOC(9) PCM API SND_PCM_LIB_PREALLOC(9)NAMEsnd_pcm_lib_preallocate_pages_for_all - pre-allocation for continuous memory type (all substreams)SYNOPSISint snd_pcm_lib_preallocate_pages_for_all(struct snd_pcm * pcm, int type, void * data, size_t size, size_t max);ARGUMENTSpcm 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 sizeDESCRIPTIONDo pre-allocation to all substreams of the given pcm for the specified DMA type.RETURNZero if successful, or a negative error code on failure.COPYRIGHTKernel Hackers Manual 3.10 June 2014 SND_PCM_LIB_PREALLOC(9)
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