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<h1>stk11xx-sysfs.c</h1><a href="stk11xx-sysfs_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00034"></a>00034 <span class="preprocessor">#include <linux/module.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#include <linux/init.h></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <linux/kernel.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <linux/version.h></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <linux/errno.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <linux/slab.h></span>
<a name="l00040"></a>00040 <span class="preprocessor">#include <linux/kref.h></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <linux/device.h></span>
<a name="l00042"></a>00042 <span class="preprocessor">#include <linux/mm.h></span>
<a name="l00043"></a>00043 <span class="preprocessor">#include <linux/videodev.h></span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045
<a name="l00046"></a>00046 <span class="preprocessor">#include <linux/usb.h></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <media/v4l2-common.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <media/v4l2-ioctl.h></span>
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="preprocessor">#include "<a class="code" href="stk11xx_8h.html" title="Driver for Syntek USB video camera.">stk11xx.h</a>"</span>
<a name="l00051"></a>00051
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">extern</span> <span class="keyword">const</span> <span class="keyword">struct </span>stk11xx_coord <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[STK11XX_NBR_SIZES];
<a name="l00054"></a>00054
<a name="l00055"></a>00055
<a name="l00065"></a><a class="code" href="stk11xx-sysfs_8c.html#7d7fb6facb6b447788ae51a3dac9fde0">00065</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#7d7fb6facb6b447788ae51a3dac9fde0" title="show_release">show_release</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00068"></a>00068 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00069"></a>00069
<a name="l00070"></a>00070 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%d\n"</span>, dev->release);
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072
<a name="l00073"></a>00073
<a name="l00083"></a><a class="code" href="stk11xx-sysfs_8c.html#0e84742146bed3de4f8ef53576a6c7a9">00083</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#0e84742146bed3de4f8ef53576a6c7a9" title="show_videostatus">show_videostatus</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00086"></a>00086 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">return</span> sprintf(buf,
<a name="l00089"></a>00089 <span class="stringliteral">"Nbr ISOC errors : %d\n"</span>
<a name="l00090"></a>00090 <span class="stringliteral">"Nbr dropped frames : %d\n"</span>
<a name="l00091"></a>00091 <span class="stringliteral">"Nbr dumped frames : %d\n"</span>,
<a name="l00092"></a>00092 dev->visoc_errors,
<a name="l00093"></a>00093 dev->vframes_error,
<a name="l00094"></a>00094 dev->vframes_dumped);
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096
<a name="l00097"></a>00097
<a name="l00107"></a><a class="code" href="stk11xx-sysfs_8c.html#ae13dd84bc4d4a8b4126cef14e6811bf">00107</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#ae13dd84bc4d4a8b4126cef14e6811bf" title="show_informations">show_informations</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00108"></a>00108 {
<a name="l00109"></a>00109 <span class="keywordtype">int</span> width, height;
<a name="l00110"></a>00110 <span class="keywordtype">char</span> *pixelfmt = NULL;
<a name="l00111"></a>00111
<a name="l00112"></a>00112 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00113"></a>00113 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00114"></a>00114
<a name="l00115"></a>00115 <span class="keywordtype">char</span> *palette_rgb24 = <span class="stringliteral">"RGB24 - RGB-8-8-8 - 24 bits"</span>;
<a name="l00116"></a>00116 <span class="keywordtype">char</span> *palette_rgb32 = <span class="stringliteral">"RGB32 - RGB-8-8-8-8 - 32 bits"</span>;
<a name="l00117"></a>00117 <span class="keywordtype">char</span> *palette_bgr24 = <span class="stringliteral">"BGR24 - BGR-8-8-8 - 24 bits"</span>;
<a name="l00118"></a>00118 <span class="keywordtype">char</span> *palette_bgr32 = <span class="stringliteral">"BGR32 - BGR-8-8-8-8 - 32 bits"</span>;
<a name="l00119"></a>00119 <span class="keywordtype">char</span> *palette_uyvy = <span class="stringliteral">"UYVY - YUV 4:2:2 - 16 bits"</span>;
<a name="l00120"></a>00120 <span class="keywordtype">char</span> *palette_yuyv = <span class="stringliteral">"YUYV - YUV 4:2:2 - 16 bits"</span>;
<a name="l00121"></a>00121
<a name="l00122"></a>00122
<a name="l00123"></a>00123 <span class="keywordflow">switch</span> (dev->vsettings.palette) {
<a name="l00124"></a>00124 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB24:
<a name="l00125"></a>00125 pixelfmt = palette_rgb24;
<a name="l00126"></a>00126 <span class="keywordflow">break</span>;
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">case</span> STK11XX_PALETTE_RGB32:
<a name="l00129"></a>00129 pixelfmt = palette_rgb32;
<a name="l00130"></a>00130 <span class="keywordflow">break</span>;
<a name="l00131"></a>00131
<a name="l00132"></a>00132 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR24:
<a name="l00133"></a>00133 pixelfmt = palette_bgr24;
<a name="l00134"></a>00134 <span class="keywordflow">break</span>;
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordflow">case</span> STK11XX_PALETTE_BGR32:
<a name="l00137"></a>00137 pixelfmt = palette_bgr32;
<a name="l00138"></a>00138 <span class="keywordflow">break</span>;
<a name="l00139"></a>00139
<a name="l00140"></a>00140 <span class="keywordflow">case</span> STK11XX_PALETTE_UYVY:
<a name="l00141"></a>00141 pixelfmt = palette_uyvy;
<a name="l00142"></a>00142 <span class="keywordflow">break</span>;
<a name="l00143"></a>00143
<a name="l00144"></a>00144 <span class="keywordflow">case</span> STK11XX_PALETTE_YUYV:
<a name="l00145"></a>00145 pixelfmt = palette_yuyv;
<a name="l00146"></a>00146 <span class="keywordflow">break</span>;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00149"></a>00149 <span class="keywordflow">switch</span> (dev->resolution) {
<a name="l00150"></a>00150 <span class="keywordflow">case</span> STK11XX_80x60:
<a name="l00151"></a>00151 <span class="keywordflow">case</span> STK11XX_128x96:
<a name="l00152"></a>00152 <span class="keywordflow">case</span> STK11XX_160x120:
<a name="l00153"></a>00153 <span class="keywordflow">case</span> STK11XX_213x160:
<a name="l00154"></a>00154 <span class="keywordflow">case</span> STK11XX_320x240:
<a name="l00155"></a>00155 <span class="keywordflow">case</span> STK11XX_640x480:
<a name="l00156"></a>00156 width = <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[STK11XX_640x480].x;
<a name="l00157"></a>00157 height = <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[STK11XX_640x480].y;
<a name="l00158"></a>00158 <span class="keywordflow">break</span>;
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="keywordflow">case</span> STK11XX_800x600:
<a name="l00161"></a>00161 <span class="keywordflow">case</span> STK11XX_1024x768:
<a name="l00162"></a>00162 <span class="keywordflow">case</span> STK11XX_1280x1024:
<a name="l00163"></a>00163 width = <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[STK11XX_1280x1024].x;
<a name="l00164"></a>00164 height = <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[STK11XX_1280x1024].y;
<a name="l00165"></a>00165 <span class="keywordflow">break</span>;
<a name="l00166"></a>00166
<a name="l00167"></a>00167 <span class="keywordflow">default</span>:
<a name="l00168"></a>00168 width = 0;
<a name="l00169"></a>00169 height = 0;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a>00172 <span class="keywordflow">return</span> sprintf(buf,
<a name="l00173"></a>00173 <span class="stringliteral">"Asked resolution : %dx%d\n"</span>
<a name="l00174"></a>00174 <span class="stringliteral">"Driver resolution : %dx%d\n"</span>
<a name="l00175"></a>00175 <span class="stringliteral">"Webcam resolution : %dx%d\n"</span>
<a name="l00176"></a>00176 <span class="stringliteral">"\n"</span>
<a name="l00177"></a>00177 <span class="stringliteral">"%s\n"</span>
<a name="l00178"></a>00178 <span class="stringliteral">"\n"</span>
<a name="l00179"></a>00179 <span class="stringliteral">"Brightness : 0x%X\n"</span>
<a name="l00180"></a>00180 <span class="stringliteral">"Contrast : 0x%X\n"</span>
<a name="l00181"></a>00181 <span class="stringliteral">"Whiteness : 0x%X\n"</span>
<a name="l00182"></a>00182 <span class="stringliteral">"Colour : 0x%X\n"</span>,
<a name="l00183"></a>00183 dev->view.x, dev->view.y,
<a name="l00184"></a>00184 <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[dev->resolution].x, <a class="code" href="stk11xx-sysfs_8c.html#b9b23c97c63356e4db4c0f40448ed109">stk11xx_image_sizes</a>[dev->resolution].y,
<a name="l00185"></a>00185 width, height,
<a name="l00186"></a>00186 pixelfmt,
<a name="l00187"></a>00187 0xFFFF & dev->vsettings.brightness,
<a name="l00188"></a>00188 0xFFFF & dev->vsettings.contrast,
<a name="l00189"></a>00189 0xFFFF & dev->vsettings.whiteness,
<a name="l00190"></a>00190 0xFFFF & dev->vsettings.colour);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193
<a name="l00203"></a><a class="code" href="stk11xx-sysfs_8c.html#fec6bde279929097d59d7a42837584d9">00203</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#fec6bde279929097d59d7a42837584d9" title="show_fps">show_fps</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00204"></a>00204 {
<a name="l00205"></a>00205 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00206"></a>00206 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00207"></a>00207
<a name="l00208"></a>00208 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%d\n"</span>, dev->vsettings.fps);
<a name="l00209"></a>00209 }
<a name="l00210"></a>00210
<a name="l00211"></a>00211
<a name="l00221"></a><a class="code" href="stk11xx-sysfs_8c.html#28115395e131622ab5e1642900f3e6a0">00221</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#28115395e131622ab5e1642900f3e6a0" title="show_brightness">show_brightness</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00222"></a>00222 {
<a name="l00223"></a>00223 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00224"></a>00224 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00225"></a>00225
<a name="l00226"></a>00226 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%X\n"</span>, dev->vsettings.brightness);
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229
<a name="l00239"></a><a class="code" href="stk11xx-sysfs_8c.html#8dedf1a3e0a78460453fb0c3362f05e8">00239</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#8dedf1a3e0a78460453fb0c3362f05e8" title="store_brightness">store_brightness</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr,
<a name="l00240"></a>00240 <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00241"></a>00241 {
<a name="l00242"></a>00242 <span class="keywordtype">char</span> *endp;
<a name="l00243"></a>00243 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value;
<a name="l00244"></a>00244
<a name="l00245"></a>00245 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00246"></a>00246 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00247"></a>00247
<a name="l00248"></a>00248 value = simple_strtoul(buf, &endp, 16);
<a name="l00249"></a>00249
<a name="l00250"></a>00250 dev->vsettings.brightness = (int) value;
<a name="l00251"></a>00251
<a name="l00252"></a>00252 <a class="code" href="stk11xx-dev_8c.html#7bd381d18244bcd3f8c9eb5514ad6d7a" title="This function permits to modify the quality video of the camera.">dev_stk11xx_set_camera_quality</a>(dev);
<a name="l00253"></a>00253
<a name="l00254"></a>00254 <span class="keywordflow">return</span> strlen(buf);
<a name="l00255"></a>00255 }
<a name="l00256"></a>00256
<a name="l00266"></a><a class="code" href="stk11xx-sysfs_8c.html#7bb9a031161643cbda3fa4977335eb6f">00266</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#7bb9a031161643cbda3fa4977335eb6f" title="show_contrast">show_contrast</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00269"></a>00269 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00270"></a>00270
<a name="l00271"></a>00271 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%X\n"</span>, dev->vsettings.contrast);
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273
<a name="l00274"></a>00274
<a name="l00284"></a><a class="code" href="stk11xx-sysfs_8c.html#46dee667d9abe7111693f7b3e4afaebf">00284</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#46dee667d9abe7111693f7b3e4afaebf" title="store_contrast">store_contrast</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr,
<a name="l00285"></a>00285 <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00286"></a>00286 {
<a name="l00287"></a>00287 <span class="keywordtype">char</span> *endp;
<a name="l00288"></a>00288 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value;
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00291"></a>00291 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00292"></a>00292
<a name="l00293"></a>00293 value = simple_strtoul(buf, &endp, 16);
<a name="l00294"></a>00294
<a name="l00295"></a>00295 dev->vsettings.contrast = (int) value;
<a name="l00296"></a>00296
<a name="l00297"></a>00297 <a class="code" href="stk11xx-dev_8c.html#7bd381d18244bcd3f8c9eb5514ad6d7a" title="This function permits to modify the quality video of the camera.">dev_stk11xx_set_camera_quality</a>(dev);
<a name="l00298"></a>00298
<a name="l00299"></a>00299 <span class="keywordflow">return</span> strlen(buf);
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301
<a name="l00302"></a>00302
<a name="l00312"></a><a class="code" href="stk11xx-sysfs_8c.html#413d928267a56e0be63d87ed726807eb">00312</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#413d928267a56e0be63d87ed726807eb" title="show_whitebalance">show_whitebalance</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00315"></a>00315 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00316"></a>00316
<a name="l00317"></a>00317 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%X\n"</span>, dev->vsettings.whiteness);
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a>00320
<a name="l00330"></a><a class="code" href="stk11xx-sysfs_8c.html#f07d36d682f85619b6de93734531efe6">00330</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#f07d36d682f85619b6de93734531efe6" title="store_whitebalance">store_whitebalance</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr,
<a name="l00331"></a>00331 <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 <span class="keywordtype">char</span> *endp;
<a name="l00334"></a>00334 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value;
<a name="l00335"></a>00335
<a name="l00336"></a>00336 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00337"></a>00337 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00338"></a>00338
<a name="l00339"></a>00339 value = simple_strtoul(buf, &endp, 16);
<a name="l00340"></a>00340
<a name="l00341"></a>00341 dev->vsettings.whiteness = (int) value;
<a name="l00342"></a>00342
<a name="l00343"></a>00343 <a class="code" href="stk11xx-dev_8c.html#7bd381d18244bcd3f8c9eb5514ad6d7a" title="This function permits to modify the quality video of the camera.">dev_stk11xx_set_camera_quality</a>(dev);
<a name="l00344"></a>00344
<a name="l00345"></a>00345 <span class="keywordflow">return</span> strlen(buf);
<a name="l00346"></a>00346 }
<a name="l00347"></a>00347
<a name="l00348"></a>00348
<a name="l00358"></a><a class="code" href="stk11xx-sysfs_8c.html#b0e17a7f3bb494401b41e6973d2b50c2">00358</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#b0e17a7f3bb494401b41e6973d2b50c2" title="show_colour">show_colour</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00361"></a>00361 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%X\n"</span>, dev->vsettings.colour);
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365
<a name="l00366"></a>00366
<a name="l00376"></a><a class="code" href="stk11xx-sysfs_8c.html#d936f451a1428d8ffca048a8cf09a857">00376</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#d936f451a1428d8ffca048a8cf09a857" title="store_colour">store_colour</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr,
<a name="l00377"></a>00377 <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00378"></a>00378 {
<a name="l00379"></a>00379 <span class="keywordtype">char</span> *endp;
<a name="l00380"></a>00380 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> value;
<a name="l00381"></a>00381
<a name="l00382"></a>00382 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00383"></a>00383 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00384"></a>00384
<a name="l00385"></a>00385 value = simple_strtoul(buf, &endp, 16);
<a name="l00386"></a>00386
<a name="l00387"></a>00387 dev->vsettings.colour = (int) value;
<a name="l00388"></a>00388
<a name="l00389"></a>00389 <a class="code" href="stk11xx-dev_8c.html#7bd381d18244bcd3f8c9eb5514ad6d7a" title="This function permits to modify the quality video of the camera.">dev_stk11xx_set_camera_quality</a>(dev);
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordflow">return</span> strlen(buf);
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393
<a name="l00394"></a>00394
<a name="l00404"></a><a class="code" href="stk11xx-sysfs_8c.html#95da9da72ca2228a167cf99772fb840d">00404</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#95da9da72ca2228a167cf99772fb840d" title="show_hflip">show_hflip</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00405"></a>00405 {
<a name="l00406"></a>00406 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00407"></a>00407 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00408"></a>00408
<a name="l00409"></a>00409 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%d\n"</span>, dev->vsettings.hflip);
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411
<a name="l00412"></a>00412
<a name="l00422"></a><a class="code" href="stk11xx-sysfs_8c.html#6210931bbcddc09cce874a283a038eb6">00422</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#6210931bbcddc09cce874a283a038eb6" title="store_hflip">store_hflip</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr,
<a name="l00423"></a>00423 <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00424"></a>00424 {
<a name="l00425"></a>00425 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00426"></a>00426 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00427"></a>00427
<a name="l00428"></a>00428 <span class="keywordflow">if</span> (strncmp(buf, <span class="stringliteral">"1"</span>, 1) == 0)
<a name="l00429"></a>00429 dev->vsettings.hflip = 1;
<a name="l00430"></a>00430 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp(buf, <span class="stringliteral">"0"</span>, 1) == 0)
<a name="l00431"></a>00431 dev->vsettings.hflip = 0;
<a name="l00432"></a>00432 <span class="keywordflow">else</span>
<a name="l00433"></a>00433 <span class="keywordflow">return</span> -EINVAL;
<a name="l00434"></a>00434
<a name="l00435"></a>00435 <span class="keywordflow">return</span> strlen(buf);
<a name="l00436"></a>00436 }
<a name="l00437"></a>00437
<a name="l00438"></a>00438
<a name="l00448"></a><a class="code" href="stk11xx-sysfs_8c.html#c392c2b85292fe4fd92777ebd9292d9d">00448</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#c392c2b85292fe4fd92777ebd9292d9d" title="show_vflip">show_vflip</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keywordtype">char</span> *buf)
<a name="l00449"></a>00449 {
<a name="l00450"></a>00450 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00451"></a>00451 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00452"></a>00452
<a name="l00453"></a>00453 <span class="keywordflow">return</span> sprintf(buf, <span class="stringliteral">"%d\n"</span>, dev->vsettings.vflip);
<a name="l00454"></a>00454 }
<a name="l00455"></a>00455
<a name="l00456"></a>00456
<a name="l00466"></a><a class="code" href="stk11xx-sysfs_8c.html#1002945672e08bf2bd971f8aebe59b75">00466</a> <span class="keyword">static</span> ssize_t <a class="code" href="stk11xx-sysfs_8c.html#1002945672e08bf2bd971f8aebe59b75" title="store_vflip">store_vflip</a>(<span class="keyword">struct</span> device *<span class="keyword">class</span>, <span class="keyword">struct</span> device_attribute *attr, <span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keywordtype">size_t</span> count)
<a name="l00467"></a>00467 {
<a name="l00468"></a>00468 <span class="keyword">struct </span>video_device *vdev = to_video_device(<span class="keyword">class</span>);
<a name="l00469"></a>00469 <span class="keyword">struct </span>usb_stk11xx *dev = video_get_drvdata(vdev);
<a name="l00470"></a>00470
<a name="l00471"></a>00471 <span class="keywordflow">if</span> (strncmp(buf, <span class="stringliteral">"1"</span>, 1) == 0)
<a name="l00472"></a>00472 dev->vsettings.vflip = 1;
<a name="l00473"></a>00473 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncmp(buf, <span class="stringliteral">"0"</span>, 1) == 0)
<a name="l00474"></a>00474 dev->vsettings.vflip = 0;
<a name="l00475"></a>00475 <span class="keywordflow">else</span>
<a name="l00476"></a>00476 <span class="keywordflow">return</span> -EINVAL;
<a name="l00477"></a>00477
<a name="l00478"></a>00478 <span class="keywordflow">return</span> strlen(buf);
<a name="l00479"></a>00479 }
<a name="l00480"></a>00480
<a name="l00481"></a>00481
<a name="l00482"></a>00482 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(release, S_IRUGO, <a class="code" href="stk11xx-sysfs_8c.html#7d7fb6facb6b447788ae51a3dac9fde0" title="show_release">show_release</a>, NULL);
<a name="l00483"></a>00483 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(videostatus, S_IRUGO, <a class="code" href="stk11xx-sysfs_8c.html#0e84742146bed3de4f8ef53576a6c7a9" title="show_videostatus">show_videostatus</a>, NULL);
<a name="l00484"></a>00484 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(informations, S_IRUGO, <a class="code" href="stk11xx-sysfs_8c.html#ae13dd84bc4d4a8b4126cef14e6811bf" title="show_informations">show_informations</a>, NULL);
<a name="l00485"></a>00485 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#681bb2c58cd55763494a71a1935b6de4">fps</a>, S_IRUGO, <a class="code" href="stk11xx-sysfs_8c.html#fec6bde279929097d59d7a42837584d9" title="show_fps">show_fps</a>, NULL);
<a name="l00486"></a>00486 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#f3e3271e8fbc9f3863a2989d0105b070">brightness</a>, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#28115395e131622ab5e1642900f3e6a0" title="show_brightness">show_brightness</a>, <a class="code" href="stk11xx-sysfs_8c.html#8dedf1a3e0a78460453fb0c3362f05e8" title="store_brightness">store_brightness</a>);
<a name="l00487"></a>00487 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#f7a235a0e8630e9c6cf86db22ec293e8">contrast</a>, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#7bb9a031161643cbda3fa4977335eb6f" title="show_contrast">show_contrast</a>, <a class="code" href="stk11xx-sysfs_8c.html#46dee667d9abe7111693f7b3e4afaebf" title="store_contrast">store_contrast</a>);
<a name="l00488"></a>00488 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(whitebalance, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#413d928267a56e0be63d87ed726807eb" title="show_whitebalance">show_whitebalance</a>, <a class="code" href="stk11xx-sysfs_8c.html#f07d36d682f85619b6de93734531efe6" title="store_whitebalance">store_whitebalance</a>);
<a name="l00489"></a>00489 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#a68e842dd7ce4ebaf9792928e4a990f0">colour</a>, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#b0e17a7f3bb494401b41e6973d2b50c2" title="show_colour">show_colour</a>, <a class="code" href="stk11xx-sysfs_8c.html#d936f451a1428d8ffca048a8cf09a857" title="store_colour">store_colour</a>);
<a name="l00490"></a>00490 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#16f641fad5b6a3a19b62c1486d413728">hflip</a>, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#95da9da72ca2228a167cf99772fb840d" title="show_hflip">show_hflip</a>, <a class="code" href="stk11xx-sysfs_8c.html#6210931bbcddc09cce874a283a038eb6" title="store_hflip">store_hflip</a>);
<a name="l00491"></a>00491 <span class="keyword">static</span> <a class="code" href="stk11xx-sysfs_8c.html#b3d325229e3dfd08f7f6778d77adff67">DEVICE_ATTR</a>(<a class="code" href="stk11xx-usb_8c.html#5cd2e203aadee84bf52b7c8abf5af815">vflip</a>, S_IRUGO | S_IWUGO, <a class="code" href="stk11xx-sysfs_8c.html#c392c2b85292fe4fd92777ebd9292d9d" title="show_vflip">show_vflip</a>, <a class="code" href="stk11xx-sysfs_8c.html#1002945672e08bf2bd971f8aebe59b75" title="store_vflip">store_vflip</a>);
<a name="l00503"></a><a class="code" href="stk11xx_8h.html#7820fa9a826d800dc3fa486716778eb6">00503</a> <span class="keywordtype">int</span> <a class="code" href="stk11xx-sysfs_8c.html#6b58e4f6d2baa9c5ccb3a18e5c64bb65" title="Create the &#39;sys&#39; entries.">stk11xx_create_sysfs_files</a>(<span class="keyword">struct</span> video_device *vdev)
<a name="l00504"></a>00504 {
<a name="l00505"></a>00505 <span class="keywordtype">int</span> ret;
<a name="l00506"></a>00506
<a name="l00507"></a>00507 ret = device_create_file(&vdev->dev, &dev_attr_release);
<a name="l00508"></a>00508 ret = device_create_file(&vdev->dev, &dev_attr_videostatus);
<a name="l00509"></a>00509 ret = device_create_file(&vdev->dev, &dev_attr_informations);
<a name="l00510"></a>00510 ret = device_create_file(&vdev->dev, &dev_attr_fps);
<a name="l00511"></a>00511 ret = device_create_file(&vdev->dev, &dev_attr_brightness);
<a name="l00512"></a>00512 ret = device_create_file(&vdev->dev, &dev_attr_contrast);
<a name="l00513"></a>00513 ret = device_create_file(&vdev->dev, &dev_attr_whitebalance);
<a name="l00514"></a>00514 ret = device_create_file(&vdev->dev, &dev_attr_colour);
<a name="l00515"></a>00515 ret = device_create_file(&vdev->dev, &dev_attr_hflip);
<a name="l00516"></a>00516 ret = device_create_file(&vdev->dev, &dev_attr_vflip);
<a name="l00517"></a>00517
<a name="l00518"></a>00518 <span class="keywordflow">return</span> ret;
<a name="l00519"></a>00519 }
<a name="l00520"></a>00520
<a name="l00521"></a>00521
<a name="l00531"></a><a class="code" href="stk11xx_8h.html#c2abc4e52cf858cc22bed97d9fca064f">00531</a> <span class="keywordtype">void</span> <a class="code" href="stk11xx-sysfs_8c.html#717ca8ef4a41adb32b2fb33e9c537621" title="Remove the &#39;sys&#39; entries.">stk11xx_remove_sysfs_files</a>(<span class="keyword">struct</span> video_device *vdev)
<a name="l00532"></a>00532 {
<a name="l00533"></a>00533 device_remove_file(&vdev->dev, &dev_attr_release);
<a name="l00534"></a>00534 device_remove_file(&vdev->dev, &dev_attr_videostatus);
<a name="l00535"></a>00535 device_remove_file(&vdev->dev, &dev_attr_informations);
<a name="l00536"></a>00536 device_remove_file(&vdev->dev, &dev_attr_fps);
<a name="l00537"></a>00537 device_remove_file(&vdev->dev, &dev_attr_brightness);
<a name="l00538"></a>00538 device_remove_file(&vdev->dev, &dev_attr_contrast);
<a name="l00539"></a>00539 device_remove_file(&vdev->dev, &dev_attr_whitebalance);
<a name="l00540"></a>00540 device_remove_file(&vdev->dev, &dev_attr_colour);
<a name="l00541"></a>00541 device_remove_file(&vdev->dev, &dev_attr_hflip);
<a name="l00542"></a>00542 device_remove_file(&vdev->dev, &dev_attr_vflip);
<a name="l00543"></a>00543 }
<a name="l00544"></a>00544
</pre></div></div>
<hr size="1"><address style="text-align: right;"><small>Generated on Wed Nov 11 13:36:58 2009 for SyntekUSBVideoCamera by
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