.\" This documentation was generated from the book titled "The Linux Kernel API", which is part of the Linux kernel source. .\" .\" This documentation comes with the following legal notice: .\" .\" This documentation is free software; you can redistribute .\" it and/or modify it under the terms of the GNU General Public .\" License as published by the Free Software Foundation; either .\" version 2 of the License, or (at your option) any later .\" version. .\" .\" This program is distributed in the hope that it will be .\" useful, but WITHOUT ANY WARRANTY; without even the implied .\" warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. .\" See the GNU General Public License for more details. .\" .\" You should have received a copy of the GNU General Public .\" License along with this program; if not, write to the Free .\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, .\" MA 02111-1307 USA .\" .\" For more details see the file COPYING in the source .\" distribution of Linux. .\" .\" For comments on the formatting of this manpage, please contact Michael Still .\" This manpage has been automatically generated by docbook2man .\" from a DocBook document. This tool can be found at: .\" .\" Please send any bug reports, improvements, comments, patches, .\" etc. to Steve Cheng . .TH "UART_GET_BAUD_RATE" "9" "09 April 2004" "" "" .SH NAME uart_get_baud_rate \- return baud rate for a particular port .SH SYNOPSIS .sp \fB .sp unsigned int uart_get_baud_rate (struct uart_port * \fIport\fB, struct termios * \fItermios\fB, struct termios * \fIold\fB, unsigned int \fImin\fB, unsigned int \fImax\fB); \fR .SH "ARGUMENTS" .TP \fB\fIport\fB\fR uart_port structure describing the port in question. .TP \fB\fItermios\fB\fR desired termios settings. .TP \fB\fIold\fB\fR old termios (or NULL) .TP \fB\fImin\fB\fR minimum acceptable baud rate .TP \fB\fImax\fB\fR maximum acceptable baud rate .SH "DESCRIPTION" .PP Decode the termios structure into a numeric baud rate, taking account of the magic 38400 baud rate (with spd_* flags), and mapping the B0 rate to 9600 baud. .PP If the new baud rate is invalid, try the old termios setting. If it's still invalid, we try 9600 baud. .PP Update the \fItermios\fR structure to reflect the baud rate we're actually going to be using. .SH "ABOUT THIS DOCUMENT" .PP This documentation was generated with kernel version 2.6.0.