tag	line	file	source code
DMA_MAP_FREE	510	drivers/sound/soundcard.c	dma_alloc_map[chn] = DMA_MAP_FREE;
DMA_MAP_FREE	523	drivers/sound/soundcard.c	if (dma_alloc_map[chn] != DMA_MAP_FREE)
DMA_MAP_FREE	538	drivers/sound/soundcard.c	if (dma_alloc_map[chn] != DMA_MAP_FREE)
DMA_MAP_FREE	561	drivers/sound/soundcard.c	dma_alloc_map[chn] = DMA_MAP_FREE;