aaci_pcm_hw_free 510 sound/arm/aaci.c aaci_pcm_hw_free(substream); aaci_pcm_hw_free 640 sound/arm/aaci.c .hw_free = aaci_pcm_hw_free, aaci_pcm_hw_free 743 sound/arm/aaci.c .hw_free = aaci_pcm_hw_free,