PTP_PEROUT_REQUEST 181 drivers/ptp/ptp_chardev.c case PTP_PEROUT_REQUEST: PTP_PEROUT_REQUEST 196 drivers/ptp/ptp_chardev.c } else if (cmd == PTP_PEROUT_REQUEST) { PTP_PEROUT_REQUEST 403 tools/testing/selftests/ptp/testptp.c if (ioctl(fd, PTP_PEROUT_REQUEST, &perout_request)) {