snd_pcm_lib_prealloc(9)
NAME
snd_pcm_lib_preallocate_pages_for_all - pre-allocation for continous
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 dependant 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.
Returns zero if successful, or a negative error code on failure.