WaitForReport
status_t WaitForReport(bigtime_t timeout);
status_t result = fReport.WaitForReport(B_INFINITE_TIMEOUT);
status_t result = fInputReport.WaitForReport(timeout);
status_t result = fReport.WaitForReport(B_INFINITE_TIMEOUT);
status_t result = fReport.WaitForReport(B_INFINITE_TIMEOUT);