other versions
- jessie 3.16.56-1+deb8u1
SND_DMA_ALLOC_PAGES_(9) | Sound Devices | SND_DMA_ALLOC_PAGES_(9) |
NAME¶
snd_dma_alloc_pages_fallback - allocate the buffer area according to the given type with fallbackSYNOPSIS¶
int
snd_dma_alloc_pages_fallback(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. When no space is left, this function reduces the size and tries to allocate again. The size actually allocated is stored in res_size argument.RETURN¶
Zero if the buffer with the given size is allocated successfully, otherwise a negative value on error.COPYRIGHT¶
May 2018 | Kernel Hackers Manual 3.16 |