1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>fb_try_mode</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Device Drivers"><link rel="up" href="ch07s03.html" title="Frame Buffer Video Mode Database"><link rel="prev" href="ch07s03.html" title="Frame Buffer Video Mode Database"><link rel="next" href="API-fb-delete-videomode.html" title="fb_delete_videomode"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">fb_try_mode</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch07s03.html">Prev</a>&#160;</td><th width="60%" align="center">Frame Buffer Video Mode Database</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-fb-delete-videomode.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-fb-try-mode"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>fb_try_mode &#8212; 
2  test a video mode
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">fb_try_mode </b>(</code></td><td>struct fb_var_screeninfo * <var class="pdparam">var</var>, </td></tr><tr><td>&#160;</td><td>struct fb_info * <var class="pdparam">info</var>, </td></tr><tr><td>&#160;</td><td>const struct fb_videomode * <var class="pdparam">mode</var>, </td></tr><tr><td>&#160;</td><td>unsigned int <var class="pdparam">bpp</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1114022868"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>var</code></em></span></dt><dd><p>
4     frame buffer user defined part of display
5    </p></dd><dt><span class="term"><em class="parameter"><code>info</code></em></span></dt><dd><p>
6     frame buffer info structure
7    </p></dd><dt><span class="term"><em class="parameter"><code>mode</code></em></span></dt><dd><p>
8     frame buffer video mode structure
9    </p></dd><dt><span class="term"><em class="parameter"><code>bpp</code></em></span></dt><dd><p>
10     color depth in bits per pixel
11    </p></dd></dl></div></div><div class="refsect1"><a name="idp1114027580"></a><h2>Description</h2><p>
12   Tries a video mode to test it's validity for device <em class="parameter"><code>info</code></em>.
13   </p><p>
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15   Returns 1 on success.
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