IPC_LOG_OP_SHIFT 67 sound/soc/intel/haswell/sst-haswell-ipc.c #define IPC_LOG_OP_MASK (0xf << IPC_LOG_OP_SHIFT) IPC_LOG_OP_SHIFT 68 sound/soc/intel/haswell/sst-haswell-ipc.c #define IPC_LOG_OP_TYPE(x) (x << IPC_LOG_OP_SHIFT) IPC_LOG_OP_SHIFT 688 sound/soc/intel/haswell/sst-haswell-ipc.c u32 operation = (header & IPC_LOG_OP_MASK) >> IPC_LOG_OP_SHIFT;