ACC_BM1_PRD 224 sound/pci/cs5535audio/cs5535audio_pcm.c cs_writel(cs5535au, ACC_BM1_PRD, prd_addr); ACC_BM1_PRD 229 sound/pci/cs5535audio/cs5535audio_pcm.c return cs_readl(cs5535au, ACC_BM1_PRD);