CH341_BIT_DCD     342 drivers/usb/serial/ch341.c 	if (priv->msr & CH341_BIT_DCD)
CH341_BIT_DCD     569 drivers/usb/serial/ch341.c 	if (delta & CH341_BIT_DCD) {
CH341_BIT_DCD     574 drivers/usb/serial/ch341.c 						status & CH341_BIT_DCD);
CH341_BIT_DCD     635 drivers/usb/serial/ch341.c 		  | ((status & CH341_BIT_DCD)	? TIOCM_CD  : 0);