CH341_LCR_ENABLE_RX 311 drivers/usb/serial/ch341.c priv->lcr = CH341_LCR_ENABLE_RX | CH341_LCR_ENABLE_TX | CH341_LCR_CS8; CH341_LCR_ENABLE_RX 422 drivers/usb/serial/ch341.c lcr = CH341_LCR_ENABLE_RX | CH341_LCR_ENABLE_TX;