ISST_IF_MSR_COMMAND 519 drivers/platform/x86/intel_speed_select_if/isst_if_common.c case ISST_IF_MSR_COMMAND: ISST_IF_MSR_COMMAND 598 tools/power/x86/intel-speed-select/isst-config.c if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {