snd_dma_alloc_pages_fallback - allocate the buffer area according to the given type with fallback
2. SYNOPSIS ▲
int snd_dma_alloc_pages_fallback(int type , struct device * device , size_t size , struct snd_dma_buffer * dmab );
3. ARGUMENTS ▲
the DMA buffer type
the device pointer
the buffer size to allocate
buffer allocation record to store the allocated data
4. 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.
5. RETURN ▲
Zero if the buffer with the given size is allocated successfully, otherwise a negative value on error.
6. COPYRIGHT ▲