ISST_IF_MBOX_COMMAND  514 drivers/platform/x86/intel_speed_select_if/isst_if_common.c 	case ISST_IF_MBOX_COMMAND:
ISST_IF_MBOX_COMMAND  563 tools/power/x86/intel-speed-select/isst-config.c 	if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {