USB_GADGET_GET_STRING

Section: (9)
Updated: 17 July 2003
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NAME

usb_gadget_get_string - fill out a string descriptor  

SYNOPSIS

int usb_gadget_get_string (struct usb_gadget_strings * table, int id, u8 * buf);  

ARGUMENTS

table
of c strings using iso latin/1 characters
id
string id, from low byte of wValue in get string descriptor
buf
at least 256 bytes
 

DESCRIPTION

Finds the iso latin/1 string matching the ID, and converts it into a string descriptor in utf16-le. Returns length of descriptor (always even) or negative errno

If your driver needs stings in multiple languages, you'll need to to use some alternate solution for languages where the ISO 8859/1 (latin/1) character set can't be used. For example, they can't be used with Chinese (Big5, GB2312, etc), Japanese, Korean, or many other languages. You'd likely ``switch (wIndex) { ... }'' in your ep0 string descriptor logic, using this routine in cases where ``western european'' characters suffice for the strings being returned.  

ABOUT THIS DOCUMENT

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.

If you have comments on the formatting of this manpage, then please contact Michael Still (mikal@stillhq.com).

This documentation was generated with kernel version 2.5.74.


 

Index

NAME
SYNOPSIS
ARGUMENTS
DESCRIPTION
ABOUT THIS DOCUMENT

This document was created by man2html, using the manual pages.
Time: 03:18:50 GMT, July 17, 2003