table of contents
| SND_PCM_LIB_PREALLOC(9) | PCM API | SND_PCM_LIB_PREALLOC(9) |
NAME¶
snd_pcm_lib_preallocate_pages - pre-allocation for the given DMA type
SYNOPSIS¶
void snd_pcm_lib_preallocate_pages(struct snd_pcm_substream * substream, int type, struct device * data, size_t size, size_t max);
ARGUMENTS¶
substream
the pcm substream 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 for the given DMA buffer type.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |