IPC_MODULE_OPERATION_SHIFT 75 sound/soc/intel/haswell/sst-haswell-ipc.c #define IPC_MODULE_OPERATION_MASK (0xf << IPC_MODULE_OPERATION_SHIFT) IPC_MODULE_OPERATION_SHIFT 76 sound/soc/intel/haswell/sst-haswell-ipc.c #define IPC_MODULE_OPERATION(x) (x << IPC_MODULE_OPERATION_SHIFT) IPC_MODULE_OPERATION_SHIFT 351 sound/soc/intel/haswell/sst-haswell-ipc.c return (msg & IPC_MODULE_OPERATION_MASK) >> IPC_MODULE_OPERATION_SHIFT;