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SND_DMA_ALLOC_PAGES(9) | Sound Devices | SND_DMA_ALLOC_PAGES(9) |
NAME¶
snd_dma_alloc_pages - allocate the buffer area according to the given typeSYNOPSIS¶
int
snd_dma_alloc_pages(int type,
struct device * device,
size_t size,
struct snd_dma_buffer * dmab);
ARGUMENTS¶
typethe DMA buffer type
device
the device pointer
size
the buffer size to allocate
dmab
buffer allocation record to store the
allocated data
DESCRIPTION¶
Calls the memory-allocator function for the corresponding buffer type. Returns zero if the buffer with the given size is allocated successfully, other a negative value at error.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |