Name

snd_dma_alloc_pages_fallback — allocate the buffer area according to the given type with fallback

Synopsis

int snd_dma_alloc_pages_fallback (int type,
 struct device * device,
 size_t size,
 struct snd_dma_buffer * dmab);
 

Arguments

type

the 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.

Returns zero if the buffer with the given size is allocated successfuly, other a negative value at error.