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snd_pcm_lib_malloc_pages
Langue: en
Version: May 2009 (fedora - 06/07/09)
Section: 9 (Appels noyau Linux)
NAME
snd_pcm_lib_malloc_pages - allocate the DMA bufferSYNOPSIS
- int snd_pcm_lib_malloc_pages(struct snd_pcm_substream * substream, size_t size);
ARGUMENTS
substream
- the substream to allocate the DMA buffer to
size
- the requested buffer size in bytes
DESCRIPTION
Allocates the DMA buffer on the BUS type given earlier to snd_pcm_lib_preallocate_xxx_pages.
Returns 1 if the buffer is changed, 0 if not changed, or a negative code on failure.
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