<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> <HTML ><HEAD ><TITLE >fb_find_mode</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK REL="HOME" TITLE="The Linux Kernel API" HREF="book1.html"><LINK REL="UP" TITLE="Frame Buffer Video Mode Database" HREF="x14237.html"><LINK REL="PREVIOUS" TITLE="Frame Buffer Video Mode Database" HREF="x14237.html"><LINK REL="NEXT" TITLE="__fb_try_mode" HREF="r14322.html"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Linux Kernel API</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x14237.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="r14322.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="AEN14239" ></A ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >fb_find_mode</SPAN ></SPAN ></H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN14243" ></A ><H2 >Name</H2 >fb_find_mode -- finds a valid video mode </DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN14246" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><A NAME="AEN14248" ></A ><P ></P ><P ><CODE ><CODE CLASS="FUNCDEF" >int __init <TT CLASS="FUNCTION" >fb_find_mode </TT ></CODE >(struct fb_var_screeninfo * <TT CLASS="PARAMETER" ><I >var</I ></TT >, struct fb_info * <TT CLASS="PARAMETER" ><I >info</I ></TT >, const char * <TT CLASS="PARAMETER" ><I >mode_option</I ></TT >, const struct fb_videomode * <TT CLASS="PARAMETER" ><I >db</I ></TT >, unsigned int <TT CLASS="PARAMETER" ><I >dbsize</I ></TT >, const struct fb_videomode * <TT CLASS="PARAMETER" ><I >default_mode</I ></TT >, unsigned int <TT CLASS="PARAMETER" ><I >default_bpp</I ></TT >);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN14266" ></A ><H2 >Arguments</H2 ><P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><TT CLASS="PARAMETER" ><I >var</I ></TT ></DT ><DD ><P > frame buffer user defined part of display </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >info</I ></TT ></DT ><DD ><P > frame buffer info structure </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >mode_option</I ></TT ></DT ><DD ><P > string video mode to find </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >db</I ></TT ></DT ><DD ><P > video mode database </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >dbsize</I ></TT ></DT ><DD ><P > size of <TT CLASS="PARAMETER" ><I >db</I ></TT > </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >default_mode</I ></TT ></DT ><DD ><P > default video mode to fall back to </P ></DD ><DT ><TT CLASS="PARAMETER" ><I >default_bpp</I ></TT ></DT ><DD ><P > default color depth in bits per pixel </P ></DD ></DL ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN14305" ></A ><H2 >Description</H2 ><P > Finds a suitable video mode, starting with the specified mode in <TT CLASS="PARAMETER" ><I >mode_option</I ></TT > with fallback to <TT CLASS="PARAMETER" ><I >default_mode</I ></TT >. If <TT CLASS="PARAMETER" ><I >default_mode</I ></TT > fails, all modes in the video mode database will be tried. </P ><P > Valid mode specifiers for <TT CLASS="PARAMETER" ><I >mode_option</I ></TT >: </P ><P > <xres>x<yres>[-<bpp>][@<refresh>] or <name>[-<bpp>][@<refresh>] </P ><P > with <xres>, <yres>, <bpp> and <refresh> decimal numbers and <name> a string. </P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN14315" ></A ><H2 >NOTE</H2 ><P > The passed struct <TT CLASS="PARAMETER" ><I >var</I ></TT > is _not_ cleared! This allows you to supply values for e.g. the grayscale and accel_flags fields. </P ><P > Returns zero for failure, 1 if using specified <TT CLASS="PARAMETER" ><I >mode_option</I ></TT >, 2 if using specified <TT CLASS="PARAMETER" ><I >mode_option</I ></TT > with an ignored refresh rate, 3 if default mode is used, 4 if fall back to any valid mode. </P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x14237.html" ACCESSKEY="P" ><<< Previous</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="book1.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="r14322.html" ACCESSKEY="N" >Next >>></A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Frame Buffer Video Mode Database</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="x14237.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><SPAN CLASS="phrase" ><SPAN CLASS="PHRASE" >__fb_try_mode</SPAN ></SPAN ></TD ></TR ></TABLE ></DIV ></BODY ></HTML >