IPC_HEADER_DATA_SHIFT 43 sound/soc/intel/baytrail/sst-baytrail-ipc.c #define IPC_HEADER_DATA(x) (((x) & 0x3fff) << IPC_HEADER_DATA_SHIFT) IPC_HEADER_DATA_SHIFT 195 sound/soc/intel/baytrail/sst-baytrail-ipc.c return (header >> IPC_HEADER_DATA_SHIFT) & IPC_HEADER_DATA_MASK;