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.
Returns zero if successful, or a negative error code on failure.