SMRT_DMALEVEL_MEMORY_ALLOC
smdma->smdma_level |= SMRT_DMALEVEL_MEMORY_ALLOC;
if (smdma->smdma_level & SMRT_DMALEVEL_MEMORY_ALLOC) {
smdma->smdma_level &= ~SMRT_DMALEVEL_MEMORY_ALLOC;