1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20 21# 22# Copyright 2009 Sun Microsystems, Inc. All rights reserved. 23# Use is subject to license terms. 24# 25 26# 27# Many devices using the FT232R chip are not "classic" serial port 28# modems at all - and for those devices, hardware designers seem 29# quite casual about configuring some of the modem status lines 30# - in particular carrier detect, which is often left floating. 31# Even "regular" serial ports are often 3-wire configurations. 32# 33# Given the usage is rarely as a fully-fledged modem, this configuration 34# file makes the default for the driver to ignore the state of the 35# carrier detect line; set this property to zero, or comment it out to 36# have the device provide full "modem" semantics 37# 38# Note that 'ignore-cd' applies to all ports supported by the driver 39# while the 'port-N-ignore-cd' applies only to port N 40# 41 42ignore-cd=1; 43