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<h1>stk11xx-dev-6a51.c File Reference</h1>Driver for Syntek USB video camera.
<a href="#_details">More...</a>
<p>
<code>#include <linux/module.h></code><br>
<code>#include <linux/init.h></code><br>
<code>#include <linux/kernel.h></code><br>
<code>#include <linux/version.h></code><br>
<code>#include <linux/errno.h></code><br>
<code>#include <linux/slab.h></code><br>
<code>#include <linux/kref.h></code><br>
<code>#include <linux/usb.h></code><br>
<code>#include <media/v4l2-common.h></code><br>
<code>#include "<a class="el" href="stk11xx_8h_source.html">stk11xx.h</a>"</code><br>
<code>#include "<a class="el" href="stk11xx-dev_8h_source.html">stk11xx-dev.h</a>"</code><br>
<p>
<a href="stk11xx-dev-6a51_8c_source.html">Go to the source code of this file.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#0774499a38e9c4d87a61c85afa5663c2">dev_stk6a51_initialize_device</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to initialize the device. <a href="#0774499a38e9c4d87a61c85afa5663c2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#af26cd04c814ee205a32eb9cefd75112">dev_stk6a51_configure_device</a> (struct usb_stk11xx *dev, int step)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to configure the device. <a href="#af26cd04c814ee205a32eb9cefd75112"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#e3be47290d31f77f0229bb0997021ff9">dev_stk6a51_camera_asleep</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Wake-up the camera. <a href="#e3be47290d31f77f0229bb0997021ff9"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#3f8844e49d4a2fce0e410c7a94eef9c7">dev_stk6a51_init_camera</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function initializes the device for the stream. <a href="#3f8844e49d4a2fce0e410c7a94eef9c7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#47c30deee42b186ac37e51f01143db48">dev_stk6a51_sensor_settings</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to set default sensor settings. <a href="#47c30deee42b186ac37e51f01143db48"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#5dd55183d061e2b115edf270289fa520">dev_stk6a51_camera_settings</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to modify the settings of the camera. <a href="#5dd55183d061e2b115edf270289fa520"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#68ac7c816f1fc77750d5f9b9db300ccc">dev_stk6a51_set_camera_quality</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to modify the settings of the camera. <a href="#68ac7c816f1fc77750d5f9b9db300ccc"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#6b4817c3d1006153a02d9321986d0ee1">dev_stk6a51_set_camera_fps</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function permits to modify the settings of the camera. <a href="#6b4817c3d1006153a02d9321986d0ee1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#e71a975ac4854150bb2c3249ea4057d4">dev_stk6a51_start_stream</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function sets the device to start the stream. <a href="#e71a975ac4854150bb2c3249ea4057d4"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#85082f15df85f027f3c00c4ea41f847f">dev_stk6a51_reconf_camera</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reconfigure the camera before the stream. <a href="#85082f15df85f027f3c00c4ea41f847f"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="stk11xx-dev-6a51_8c.html#f0da45afc51fd63c4971ca150312757f">dev_stk6a51_stop_stream</a> (struct usb_stk11xx *dev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">This function sets the device to stop the stream. <a href="#f0da45afc51fd63c4971ca150312757f"></a><br></td></tr>
</table>
<hr><h2>Detailed Description</h2>
Driver for Syntek USB video camera.
<p>
<dl class="author" compact><dt><b>Author:</b></dt><dd>Nicolas VIVIEN </dd></dl>
<dl class="date" compact><dt><b>Date:</b></dt><dd>2007-12-07 </dd></dl>
<dl class="version" compact><dt><b>Version:</b></dt><dd>v1.3.x</dd></dl>
<dl class="note" compact><dt><b>Note:</b></dt><dd>Copyright (C) Nicolas VIVIEN</dd></dl>
<dl class="user" compact><dt><b>Licences</b></dt><dd></dd></dl>
This program 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 any later version.<p>
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.<p>
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<p>
<dl class="user" compact><dt><b>SubVersion</b></dt><dd></dd></dl>
<dl class="rcs" compact><dt><b>Date</b></dt><dd>2007-12-11 14:50:16 +0100 (mar, 11 déc 2007) </dd></dl>
<dl class="rcs" compact><dt><b>Revision</b></dt><dd>70 </dd></dl>
<dl class="rcs" compact><dt><b>Author</b></dt><dd>nicklas79 </dd></dl>
<dl class="rcs" compact><dt><b>HeadURL</b></dt><dd><a href="https://syntekdriver.svn.sourceforge.net/svnroot/syntekdriver/tags/1.3.1/stk11xx-dev-6a51.c">https://syntekdriver.svn.sourceforge.net/svnroot/syntekdriver/tags/1.3.1/stk11xx-dev-6a51.c</a> </dd></dl>
<p>Definition in file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<hr><h2>Function Documentation</h2>
<a class="anchor" name="e3be47290d31f77f0229bb0997021ff9"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_camera_asleep" ref="e3be47290d31f77f0229bb0997021ff9" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_camera_asleep </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
Wake-up the camera.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
This function permits to wake-up the device.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00717">717</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00270">dev_stk11xx_camera_asleep()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00749">dev_stk6a51_init_camera()</a>, and <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00069">dev_stk6a51_initialize_device()</a>.</p>
</div>
</div><p>
<a class="anchor" name="5dd55183d061e2b115edf270289fa520"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_camera_settings" ref="5dd55183d061e2b115edf270289fa520" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_camera_settings </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
This function permits to modify the settings of the camera.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
This functions permits to modify the settings :<ul>
<li>brightness</li><li>contrast</li><li>white balance</li><li>... </li></ul>
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01431">1431</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00321">dev_stk11xx_camera_settings()</a>.</p>
</div>
</div><p>
<a class="anchor" name="af26cd04c814ee205a32eb9cefd75112"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_configure_device" ref="af26cd04c814ee205a32eb9cefd75112" args="(struct usb_stk11xx *dev, int step)" -->
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<td class="memname">int dev_stk6a51_configure_device </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>step</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
This function permits to configure the device.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure </td></tr>
<tr><td valign="top"></td><td valign="top"><em>step</em> </td><td>The step of configuration [0-11]</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
The configuration of device is composed of 12 steps. This function is called by the initialization process.<p>
We don't know the meaning of these steps ! We only replay the USB log.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00334">334</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00161">dev_stk11xx_check_device()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00780">dev_stk6a51_sensor_settings()</a>, <a class="el" href="stk11xx_8h_source.html#l00148">STK_DEBUG</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00749">dev_stk6a51_init_camera()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00069">dev_stk6a51_initialize_device()</a>, and <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01530">dev_stk6a51_reconf_camera()</a>.</p>
</div>
</div><p>
<a class="anchor" name="3f8844e49d4a2fce0e410c7a94eef9c7"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_init_camera" ref="3f8844e49d4a2fce0e410c7a94eef9c7" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_init_camera </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
This function initializes the device for the stream.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
It's the start. This function has to be called at first, before enabling the video stream.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00749">749</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00247">dev_stk11xx_camera_off()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00717">dev_stk6a51_camera_asleep()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00334">dev_stk6a51_configure_device()</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00478">usb_stk11xx_set_feature()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00110">dev_stk11xx_init_camera()</a>.</p>
</div>
</div><p>
<a class="anchor" name="0774499a38e9c4d87a61c85afa5663c2"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_initialize_device" ref="0774499a38e9c4d87a61c85afa5663c2" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_initialize_device </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
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<p>
This function permits to initialize the device.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
This function must be called at first. It's the start of the initialization process. After this process, the device is completly initalized and it's ready.<p>
This function is written from the USB log.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00069">69</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00161">dev_stk11xx_check_device()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00717">dev_stk6a51_camera_asleep()</a>, <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00334">dev_stk6a51_configure_device()</a>, <a class="el" href="stk11xx_8h_source.html#l00148">STK_DEBUG</a>, <a class="el" href="stk11xx_8h_source.html#l00145">STK_INFO</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00478">usb_stk11xx_set_feature()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00062">dev_stk11xx_initialize_device()</a>.</p>
</div>
</div><p>
<a class="anchor" name="85082f15df85f027f3c00c4ea41f847f"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_reconf_camera" ref="85082f15df85f027f3c00c4ea41f847f" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_reconf_camera </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
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<div class="memdoc">
<p>
Reconfigure the camera before the stream.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
Before enabling the video stream, you have to reconfigure the device.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01530">1530</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00321">dev_stk11xx_camera_settings()</a>, and <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00334">dev_stk6a51_configure_device()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00515">dev_stk11xx_reconf_camera()</a>.</p>
</div>
</div><p>
<a class="anchor" name="47c30deee42b186ac37e51f01143db48"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_sensor_settings" ref="47c30deee42b186ac37e51f01143db48" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_sensor_settings </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>
This function permits to set default sensor settings.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
We set some registers in using a I2C bus. WARNING, the sensor settings can be different following the situation.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00780">780</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00161">dev_stk11xx_check_device()</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev-6a51_8c_source.html#l00334">dev_stk6a51_configure_device()</a>.</p>
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<a class="anchor" name="6b4817c3d1006153a02d9321986d0ee1"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_set_camera_fps" ref="6b4817c3d1006153a02d9321986d0ee1" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_set_camera_fps </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
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This function permits to modify the settings of the camera.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
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</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
This functions permits to modify the frame rate per second.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01484">1484</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00420">dev_stk11xx_set_camera_fps()</a>.</p>
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<a class="anchor" name="68ac7c816f1fc77750d5f9b9db300ccc"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_set_camera_quality" ref="68ac7c816f1fc77750d5f9b9db300ccc" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_set_camera_quality </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
<td></td>
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This function permits to modify the settings of the camera.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
This functions permits to modify the settings :<ul>
<li>brightness</li><li>contrast</li><li>white balance</li><li>... </li></ul>
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01450">1450</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-dev_8c_source.html#l00161">dev_stk11xx_check_device()</a>, <a class="el" href="stk11xx_8h_source.html#l00148">STK_DEBUG</a>, <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00372">dev_stk11xx_set_camera_quality()</a>.</p>
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<a class="anchor" name="e71a975ac4854150bb2c3249ea4057d4"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_start_stream" ref="e71a975ac4854150bb2c3249ea4057d4" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_start_stream </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
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This function sets the device to start the stream.
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<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
After the initialization of the device and the initialization of the video stream, this function permits to enable the stream.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01500">1500</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>References <a class="el" href="stk11xx-usb_8c_source.html#l00576">usb_stk11xx_read_registry()</a>, and <a class="el" href="stk11xx-usb_8c_source.html#l00544">usb_stk11xx_write_registry()</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00468">dev_stk11xx_start_stream()</a>.</p>
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<a class="anchor" name="f0da45afc51fd63c4971ca150312757f"></a><!-- doxytag: member="stk11xx-dev-6a51.c::dev_stk6a51_stop_stream" ref="f0da45afc51fd63c4971ca150312757f" args="(struct usb_stk11xx *dev)" -->
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<td class="memname">int dev_stk6a51_stop_stream </td>
<td>(</td>
<td class="paramtype">struct usb_stk11xx * </td>
<td class="paramname"> <em>dev</em> </td>
<td> ) </td>
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This function sets the device to stop the stream.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>dev</em> </td><td>Device structure</td></tr>
</table>
</dl>
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 if all is OK</dd></dl>
You use the function start_stream to enable the video stream. So you have to use the function stop_strem to disable the video stream.
<p>Definition at line <a class="el" href="stk11xx-dev-6a51_8c_source.html#l01550">1550</a> of file <a class="el" href="stk11xx-dev-6a51_8c_source.html">stk11xx-dev-6a51.c</a>.</p>
<p>Referenced by <a class="el" href="stk11xx-dev_8c_source.html#l00563">dev_stk11xx_stop_stream()</a>.</p>
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<hr size="1"><address style="text-align: right;"><small>Generated on Sun Sep 20 12:18:50 2009 for SyntekUSBVideoCamera by
<a href="http://www.doxygen.org/index.html">
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Mandriva
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2010.0
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i586
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media
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contrib-release
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by-pkgid
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b7b6877999d0754e8ed227e0b2f603dc
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files
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