EDGEPORT_MSR_DELTA_DSR 2010 drivers/usb/serial/io_edgeport.c if (newMsr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | EDGEPORT_MSR_DELTA_DSR 2017 drivers/usb/serial/io_edgeport.c if (newMsr & EDGEPORT_MSR_DELTA_DSR) EDGEPORT_MSR_DELTA_DSR 1562 drivers/usb/serial/io_ti.c if (msr & (EDGEPORT_MSR_DELTA_CTS | EDGEPORT_MSR_DELTA_DSR | EDGEPORT_MSR_DELTA_DSR 1569 drivers/usb/serial/io_ti.c if (msr & EDGEPORT_MSR_DELTA_DSR)