table of contents
| SND_PCM_LIB_PREALLOC(9) | PCM API | 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.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |