HDA_DSP_REG_HIPCI_BUSY 109 sound/soc/sof/intel/apl.c .ipc_req_mask = HDA_DSP_REG_HIPCI_BUSY, HDA_DSP_REG_HIPCI_BUSY 63 sound/soc/sof/intel/hda-ipc.c HDA_DSP_REG_HIPCI_BUSY);