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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li> </ul>
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<div class="title">control_external.h</div> </div>
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<a href="control__external_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This library is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * it under the terms of the GNU Lesser General Public License as</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * published by the Free Software Foundation; either version 2.1 of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * the License, or (at your option) any later version.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * GNU Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> * License along with this library; if not, write to the Free Software</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#ifndef __ALSA_CONTROL_EXTERNAL_H</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#define __ALSA_CONTROL_EXTERNAL_H</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  </div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include "<a class="code" href="control_8h.html">control.h</a>"</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
<div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gac015d294d7ae50614f6991da93893c3b"> 43</a></span> <span class="preprocessor">#define SND_CTL_PLUGIN_ENTRY(name) _snd_ctl_##name##_open</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gaa94fc65e8951f16e4b273b0f81e90f7e"> 48</a></span> <span class="preprocessor">#define SND_CTL_PLUGIN_SYMBOL(name) SND_DLSYM_BUILD_VERSION(SND_CTL_PLUGIN_ENTRY(name), SND_CONTROL_DLSYM_VERSION);</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga13e494fe5c6068d6608a974f5a62a430"> 53</a></span> <span class="preprocessor">#define SND_CTL_PLUGIN_DEFINE_FUNC(plugin) \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="preprocessor">int SND_CTL_PLUGIN_ENTRY(plugin) (snd_ctl_t **handlep, const char *name,\</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="preprocessor"> snd_config_t *root, snd_config_t *conf, int mode)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext</a> <a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a>;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a> <a class="code" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback_t</a>;</div>
<div class="line"><a name="l00062"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693"> 62</a></span> <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a>;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#ifdef DOC_HIDDEN</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="comment">/* redefine typedef's for stupid doxygen */</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga6e8d1fd87ddef00af5a9e2dd6c77b1db"> 65</a></span> <span class="keyword">typedef</span> <a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext</a> <a class="code" href="group___ctl_plugin___s_d_k.html#ga6e8d1fd87ddef00af5a9e2dd6c77b1db">snd_ctl_ext_t</a>;</div>
<div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga8185c9a0e27e9562511a82dda1d20ddf"> 66</a></span> <span class="keyword">typedef</span> <a class="code" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a> <a class="code" href="group___ctl_plugin___s_d_k.html#ga8185c9a0e27e9562511a82dda1d20ddf">snd_ctl_ext_callback_t</a>;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga51b74c20889bc3b81f5abc434a2267d0"> 69</a></span> <span class="keyword">typedef</span> int (<a class="code" href="group___ctl_plugin___s_d_k.html#ga51b74c20889bc3b81f5abc434a2267d0">snd_ctl_ext_tlv_rw_t</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">int</span> op_flag, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numid,</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *tlv, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> tlv_size);</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"> * Protocol version</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga110bc1818d56d22b89e2773d7c54a115"> 75</a></span> <span class="preprocessor">#define SND_CTL_EXT_VERSION_MAJOR 1 </span></div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga9ace8ce6f67297cba3bb365b600c8bd8"> 76</a></span> <span class="preprocessor">#define SND_CTL_EXT_VERSION_MINOR 0 </span></div>
<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gae99e1c9ee4d5c9e9afaa0376a2af96eb"> 77</a></span> <span class="preprocessor">#define SND_CTL_EXT_VERSION_TINY 1 </span></div>
<div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#ga65ea29f84b09ee3e640f88b06d05a1a2"> 81</a></span> <span class="preprocessor">#define SND_CTL_EXT_VERSION ((SND_CTL_EXT_VERSION_MAJOR<<16) |\</span></div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="preprocessor"> (SND_CTL_EXT_VERSION_MINOR<<8) |\</span></div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor"> (SND_CTL_EXT_VERSION_TINY))</span></div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  </div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html"> 86</a></span> <span class="keyword">struct </span><a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext</a> {</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#af3599d3baa6b5ceadecbfbd74b8b773f"> 91</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="structsnd__ctl__ext.html#af3599d3baa6b5ceadecbfbd74b8b773f">version</a>;</div>
<div class="line"><a name="l00095"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#ac922ab575590b3d179ee439c0891d952"> 95</a></span>  <span class="keywordtype">int</span> <a class="code" href="structsnd__ctl__ext.html#ac922ab575590b3d179ee439c0891d952">card_idx</a>;</div>
<div class="line"><a name="l00099"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a378f125e90ce9a0f20823c056d638263"> 99</a></span>  <span class="keywordtype">char</span> <span class="keywordtype">id</span>[16];</div>
<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#ae170b3a14d45d3bb830a91773bb832f4"> 103</a></span>  <span class="keywordtype">char</span> <a class="code" href="structsnd__ctl__ext.html#ae170b3a14d45d3bb830a91773bb832f4">driver</a>[16];</div>
<div class="line"><a name="l00107"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a186de36995e8f5d879fcf3abea5aeff2"> 107</a></span>  <span class="keywordtype">char</span> <a class="code" href="structsnd__ctl__ext.html#a186de36995e8f5d879fcf3abea5aeff2">name</a>[32];</div>
<div class="line"><a name="l00111"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a3863dfbb46d66f4cd43d93d42d58e393"> 111</a></span>  <span class="keywordtype">char</span> <a class="code" href="structsnd__ctl__ext.html#a3863dfbb46d66f4cd43d93d42d58e393">longname</a>[80];</div>
<div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a44e14783e538144eac71a6df139989b5"> 115</a></span>  <span class="keywordtype">char</span> <a class="code" href="structsnd__ctl__ext.html#a44e14783e538144eac71a6df139989b5">mixername</a>[80];</div>
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a1b3bab17945ce89342aae1928bd33657"> 119</a></span>  <span class="keywordtype">int</span> <a class="code" href="structsnd__ctl__ext.html#a1b3bab17945ce89342aae1928bd33657">poll_fd</a>;</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a24823fabe7534fdc7ebf0a12461ba9fc"> 124</a></span>  <span class="keyword">const</span> <a class="code" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback_t</a> *<a class="code" href="structsnd__ctl__ext.html#a24823fabe7534fdc7ebf0a12461ba9fc">callback</a>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#abae840f5d02c49540b23b23285248d2b"> 128</a></span>  <span class="keywordtype">void</span> *<a class="code" href="structsnd__ctl__ext.html#abae840f5d02c49540b23b23285248d2b">private_data</a>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#af014c69147bee94eaddca82d6916326f"> 132</a></span>  <a class="code" href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a> *<a class="code" href="structsnd__ctl__ext.html#af014c69147bee94eaddca82d6916326f">handle</a>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  </div>
<div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a3688ec45a9f38ba73c1ae9058414b033"> 134</a></span>  <span class="keywordtype">int</span> <a class="code" href="structsnd__ctl__ext.html#a3688ec45a9f38ba73c1ae9058414b033">nonblock</a>; </div>
<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#a3a07d58cb46680c6cb9023dbf72e3120"> 135</a></span>  <span class="keywordtype">int</span> <a class="code" href="structsnd__ctl__ext.html#a3a07d58cb46680c6cb9023dbf72e3120">subscribed</a>; </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">union </span>{</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <a class="code" href="group___ctl_plugin___s_d_k.html#ga51b74c20889bc3b81f5abc434a2267d0">snd_ctl_ext_tlv_rw_t</a> *c;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *p;</div>
<div class="line"><a name="l00143"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext.html#aaa3990caf54754608aa7541483072efa"> 143</a></span>  } <a class="code" href="structsnd__ctl__ext.html#aaa3990caf54754608aa7541483072efa">tlv</a>;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> };</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  </div>
<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html"> 147</a></span> <span class="keyword">struct </span><a class="code" href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a> {</div>
<div class="line"><a name="l00151"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#ad61ac2d50057ede7b363a385979010fb"> 151</a></span>  void (*<a class="code" href="structsnd__ctl__ext__callback.html#ad61ac2d50057ede7b363a385979010fb">close</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext);</div>
<div class="line"><a name="l00155"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#ab43cecb31b9bd2fb2d87ebdcff67980a"> 155</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#ab43cecb31b9bd2fb2d87ebdcff67980a">elem_count</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext);</div>
<div class="line"><a name="l00159"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a47d137dffe0f0ad99313785bc6abf6d1"> 159</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a47d137dffe0f0ad99313785bc6abf6d1">elem_list</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> offset, <a class="code" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id);</div>
<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a9219dbb614782cb8d92f6d5632ef55e2"> 163</a></span>  <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> (*<a class="code" href="structsnd__ctl__ext__callback.html#a9219dbb614782cb8d92f6d5632ef55e2">find_elem</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keyword">const</span> <a class="code" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id);</div>
<div class="line"><a name="l00167"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a822a8437aeb32b4ec2413c08a3502fde"> 167</a></span>  void (*<a class="code" href="structsnd__ctl__ext__callback.html#a822a8437aeb32b4ec2413c08a3502fde">free_key</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key);</div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#add5650b201dc8edbc3eb14111d9bd389"> 171</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#add5650b201dc8edbc3eb14111d9bd389">get_attribute</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key,</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordtype">int</span> *<a class="code" href="ump__msg_8h.html#ad44b615021ed3ccb734fcaf583ef4a03">type</a>, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *acc, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *count);</div>
<div class="line"><a name="l00176"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a3c537dcf813d6a0c8cd7efc92cbaf417"> 176</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a3c537dcf813d6a0c8cd7efc92cbaf417">get_integer_info</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key,</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordtype">long</span> *imin, <span class="keywordtype">long</span> *imax, <span class="keywordtype">long</span> *istep);</div>
<div class="line"><a name="l00181"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#aad994483d97828f3d6941a70f46f46c2"> 181</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#aad994483d97828f3d6941a70f46f46c2">get_integer64_info</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key,</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  int64_t *imin, int64_t *imax, int64_t *istep);</div>
<div class="line"><a name="l00186"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#adbebb8e8d3a2c8325bfb71736acdfa63"> 186</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#adbebb8e8d3a2c8325bfb71736acdfa63">get_enumerated_info</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *items);</div>
<div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a2b0c9d3df2ec114369f099a479c67d24"> 190</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a2b0c9d3df2ec114369f099a479c67d24">get_enumerated_name</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> item,</div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="keywordtype">char</span> *name, <span class="keywordtype">size_t</span> name_max_len);</div>
<div class="line"><a name="l00195"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a65328da675e4c1ad959bea026109c313"> 195</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a65328da675e4c1ad959bea026109c313">read_integer</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">long</span> *value);</div>
<div class="line"><a name="l00199"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a531baab0b857e3c0fcea7641a9a107fb"> 199</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a531baab0b857e3c0fcea7641a9a107fb">read_integer64</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, int64_t *value);</div>
<div class="line"><a name="l00203"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a56e661ca05e9db6f0340d23673651d5c"> 203</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a56e661ca05e9db6f0340d23673651d5c">read_enumerated</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *items);</div>
<div class="line"><a name="l00207"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#aeeafda4a363eeb124ab21f7663cc804d"> 207</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#aeeafda4a363eeb124ab21f7663cc804d">read_bytes</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="ump__msg_8h.html#a1e43bf7d608e87228b625cca2c04d641">data</a>,</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordtype">size_t</span> max_bytes);</div>
<div class="line"><a name="l00212"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a95de209ca2f456797ddbba4cdf5b7bd0"> 212</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a95de209ca2f456797ddbba4cdf5b7bd0">read_iec958</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <a class="code" href="structsnd__aes__iec958__t.html">snd_aes_iec958_t</a> *iec958);</div>
<div class="line"><a name="l00216"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a7313060836f8d45cf31a528ec2d8a6d0"> 216</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a7313060836f8d45cf31a528ec2d8a6d0">write_integer</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">long</span> *value);</div>
<div class="line"><a name="l00220"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a3067fb89e0e4b71b7c0c9d3ec1cde0f7"> 220</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a3067fb89e0e4b71b7c0c9d3ec1cde0f7">write_integer64</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, int64_t *value);</div>
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a9c42eb6739a90477b7b3775b4972268b"> 224</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a9c42eb6739a90477b7b3775b4972268b">write_enumerated</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *items);</div>
<div class="line"><a name="l00228"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a844ce4698c73bb316bdbde1554353e4a"> 228</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a844ce4698c73bb316bdbde1554353e4a">write_bytes</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *<a class="code" href="ump__msg_8h.html#a1e43bf7d608e87228b625cca2c04d641">data</a>,</div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordtype">size_t</span> max_bytes);</div>
<div class="line"><a name="l00233"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#af031bf7a362a9fde9e622be0d36bb9f3"> 233</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#af031bf7a362a9fde9e622be0d36bb9f3">write_iec958</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a> key, <a class="code" href="structsnd__aes__iec958__t.html">snd_aes_iec958_t</a> *iec958);</div>
<div class="line"><a name="l00237"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a7669a306b86bfe1df7502e195688b855"> 237</a></span>  void (*<a class="code" href="structsnd__ctl__ext__callback.html#a7669a306b86bfe1df7502e195688b855">subscribe_events</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keywordtype">int</span> subscribe);</div>
<div class="line"><a name="l00241"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#ac99b6d92e4ca9c8e9115e38da0814bf6"> 241</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#ac99b6d92e4ca9c8e9115e38da0814bf6">read_event</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <a class="code" href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a> *id, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *event_mask);</div>
<div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a89619794442bb2582d4921753de3a344"> 245</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a89619794442bb2582d4921753de3a344">poll_descriptors_count</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext);</div>
<div class="line"><a name="l00249"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#ae977e058fc11d25ba1a0dea4ebdd91b2"> 249</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#ae977e058fc11d25ba1a0dea4ebdd91b2">poll_descriptors</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keyword">struct </span>pollfd *pfds, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> space);</div>
<div class="line"><a name="l00253"></a><span class="lineno"><a class="line" href="structsnd__ctl__ext__callback.html#a03a4c55c5484584d06c263a08cbc0e26"> 253</a></span>  int (*<a class="code" href="structsnd__ctl__ext__callback.html#a03a4c55c5484584d06c263a08cbc0e26">poll_revents</a>)(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keyword">struct </span>pollfd *pfds, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> nfds, <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> *revents);</div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> };</div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  </div>
<div class="line"><a name="l00259"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gaeedd1d7413b3025e9cede1b27e509de5"> 259</a></span> <span class="keyword">typedef</span> <span class="keyword">enum</span> snd_ctl_ext_access {</div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  SND_CTL_EXT_ACCESS_READ = (1<<0),</div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  SND_CTL_EXT_ACCESS_WRITE = (1<<1),</div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  SND_CTL_EXT_ACCESS_READWRITE = (3<<0),</div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  SND_CTL_EXT_ACCESS_VOLATILE = (1<<2),</div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  SND_CTL_EXT_ACCESS_TLV_READ = (1<<4),</div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  SND_CTL_EXT_ACCESS_TLV_WRITE = (1<<5),</div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  SND_CTL_EXT_ACCESS_TLV_READWRITE = (3<<4),</div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  SND_CTL_EXT_ACCESS_TLV_COMMAND = (1<<6),</div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  SND_CTL_EXT_ACCESS_INACTIVE = (1<<8),</div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  SND_CTL_EXT_ACCESS_TLV_CALLBACK = (1<<28),</div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span> } <a class="code" href="group___ctl_plugin___s_d_k.html#gaeedd1d7413b3025e9cede1b27e509de5">snd_ctl_ext_access_t</a>;</div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  </div>
<div class="line"><a name="l00275"></a><span class="lineno"><a class="line" href="group___ctl_plugin___s_d_k.html#gac1f0737189a30bbb1e4dcbf681df39fd"> 275</a></span> <span class="preprocessor">#define SND_CTL_EXT_KEY_NOT_FOUND (snd_ctl_ext_key_t)(-1)</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  </div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="keywordtype">int</span> <a class="code" href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6">snd_ctl_ext_create</a>(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keywordtype">int</span> mode);</div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="keywordtype">int</span> <a class="code" href="group___ctl_plugin___s_d_k.html#ga33fadf68f6414722876f21201214f76e">snd_ctl_ext_delete</a>(<a class="code" href="structsnd__ctl__ext.html">snd_ctl_ext_t</a> *ext);</div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  </div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="preprocessor">#ifdef __cplusplus</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span> }</div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  </div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="preprocessor">#endif </span><span class="comment">/* __ALSA_CONTROL_EXTERNAL_H */</span><span class="preprocessor"></span></div>
<div class="ttc" id="acontrol_8h_html"><div class="ttname"><a href="control_8h.html">control.h</a></div><div class="ttdoc">Application interface library for the ALSA driver.</div></div>
<div class="ttc" id="agroup___control_html_ga06628f38def84a0fe3da74041db9d51f"><div class="ttname"><a href="group___control.html#ga06628f38def84a0fe3da74041db9d51f">snd_ctl_t</a></div><div class="ttdeci">struct _snd_ctl snd_ctl_t</div><div class="ttdef"><b>Definition:</b> control.h:363</div></div>
<div class="ttc" id="agroup___control_html_gad6c3746f1925bfec6a4fd0e913430e55"><div class="ttname"><a href="group___control.html#gad6c3746f1925bfec6a4fd0e913430e55">snd_ctl_elem_id_t</a></div><div class="ttdeci">struct _snd_ctl_elem_id snd_ctl_elem_id_t</div><div class="ttdef"><b>Definition:</b> control.h:82</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_ga317775f9c5e239781e71735ca5ba1ca6"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#ga317775f9c5e239781e71735ca5ba1ca6">snd_ctl_ext_create</a></div><div class="ttdeci">int snd_ctl_ext_create(snd_ctl_ext_t *ext, const char *name, int mode)</div><div class="ttdoc">Create an external control plugin instance.</div><div class="ttdef"><b>Definition:</b> control_ext.c:708</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_ga33fadf68f6414722876f21201214f76e"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#ga33fadf68f6414722876f21201214f76e">snd_ctl_ext_delete</a></div><div class="ttdeci">int snd_ctl_ext_delete(snd_ctl_ext_t *ext)</div><div class="ttdoc">Delete the external control plugin.</div><div class="ttdef"><b>Definition:</b> control_ext.c:739</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_ga51b74c20889bc3b81f5abc434a2267d0"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#ga51b74c20889bc3b81f5abc434a2267d0">snd_ctl_ext_tlv_rw_t</a></div><div class="ttdeci">int() snd_ctl_ext_tlv_rw_t(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int op_flag, unsigned int numid, unsigned int *tlv, unsigned int tlv_size)</div><div class="ttdef"><b>Definition:</b> control_external.h:69</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_ga6e8d1fd87ddef00af5a9e2dd6c77b1db"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#ga6e8d1fd87ddef00af5a9e2dd6c77b1db">snd_ctl_ext_t</a></div><div class="ttdeci">snd_ctl_ext snd_ctl_ext_t</div><div class="ttdef"><b>Definition:</b> control_external.h:65</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_ga8185c9a0e27e9562511a82dda1d20ddf"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#ga8185c9a0e27e9562511a82dda1d20ddf">snd_ctl_ext_callback_t</a></div><div class="ttdeci">snd_ctl_ext_callback snd_ctl_ext_callback_t</div><div class="ttdef"><b>Definition:</b> control_external.h:66</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_gac73a66a3973afb51c4e585177647c693"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#gac73a66a3973afb51c4e585177647c693">snd_ctl_ext_key_t</a></div><div class="ttdeci">unsigned long snd_ctl_ext_key_t</div><div class="ttdef"><b>Definition:</b> control_external.h:62</div></div>
<div class="ttc" id="agroup___ctl_plugin___s_d_k_html_gaeedd1d7413b3025e9cede1b27e509de5"><div class="ttname"><a href="group___ctl_plugin___s_d_k.html#gaeedd1d7413b3025e9cede1b27e509de5">snd_ctl_ext_access_t</a></div><div class="ttdeci">snd_ctl_ext_access_t</div><div class="ttdef"><b>Definition:</b> control_external.h:259</div></div>
<div class="ttc" id="astructsnd__aes__iec958__t_html"><div class="ttname"><a href="structsnd__aes__iec958__t.html">snd_aes_iec958_t</a></div><div class="ttdef"><b>Definition:</b> control.h:46</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html"><div class="ttname"><a href="structsnd__ctl__ext__callback.html">snd_ctl_ext_callback</a></div><div class="ttdef"><b>Definition:</b> control_external.h:147</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a03a4c55c5484584d06c263a08cbc0e26"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a03a4c55c5484584d06c263a08cbc0e26">snd_ctl_ext_callback::poll_revents</a></div><div class="ttdeci">int(* poll_revents)(snd_ctl_ext_t *ext, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)</div><div class="ttdef"><b>Definition:</b> control_external.h:253</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a2b0c9d3df2ec114369f099a479c67d24"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a2b0c9d3df2ec114369f099a479c67d24">snd_ctl_ext_callback::get_enumerated_name</a></div><div class="ttdeci">int(* get_enumerated_name)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int item, char *name, size_t name_max_len)</div><div class="ttdef"><b>Definition:</b> control_external.h:190</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a3067fb89e0e4b71b7c0c9d3ec1cde0f7"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a3067fb89e0e4b71b7c0c9d3ec1cde0f7">snd_ctl_ext_callback::write_integer64</a></div><div class="ttdeci">int(* write_integer64)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int64_t *value)</div><div class="ttdef"><b>Definition:</b> control_external.h:220</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a3c537dcf813d6a0c8cd7efc92cbaf417"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a3c537dcf813d6a0c8cd7efc92cbaf417">snd_ctl_ext_callback::get_integer_info</a></div><div class="ttdeci">int(* get_integer_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *imin, long *imax, long *istep)</div><div class="ttdef"><b>Definition:</b> control_external.h:176</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a47d137dffe0f0ad99313785bc6abf6d1"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a47d137dffe0f0ad99313785bc6abf6d1">snd_ctl_ext_callback::elem_list</a></div><div class="ttdeci">int(* elem_list)(snd_ctl_ext_t *ext, unsigned int offset, snd_ctl_elem_id_t *id)</div><div class="ttdef"><b>Definition:</b> control_external.h:159</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a531baab0b857e3c0fcea7641a9a107fb"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a531baab0b857e3c0fcea7641a9a107fb">snd_ctl_ext_callback::read_integer64</a></div><div class="ttdeci">int(* read_integer64)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int64_t *value)</div><div class="ttdef"><b>Definition:</b> control_external.h:199</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a56e661ca05e9db6f0340d23673651d5c"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a56e661ca05e9db6f0340d23673651d5c">snd_ctl_ext_callback::read_enumerated</a></div><div class="ttdeci">int(* read_enumerated)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items)</div><div class="ttdef"><b>Definition:</b> control_external.h:203</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a65328da675e4c1ad959bea026109c313"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a65328da675e4c1ad959bea026109c313">snd_ctl_ext_callback::read_integer</a></div><div class="ttdeci">int(* read_integer)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value)</div><div class="ttdef"><b>Definition:</b> control_external.h:195</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a7313060836f8d45cf31a528ec2d8a6d0"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a7313060836f8d45cf31a528ec2d8a6d0">snd_ctl_ext_callback::write_integer</a></div><div class="ttdeci">int(* write_integer)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, long *value)</div><div class="ttdef"><b>Definition:</b> control_external.h:216</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a7669a306b86bfe1df7502e195688b855"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a7669a306b86bfe1df7502e195688b855">snd_ctl_ext_callback::subscribe_events</a></div><div class="ttdeci">void(* subscribe_events)(snd_ctl_ext_t *ext, int subscribe)</div><div class="ttdef"><b>Definition:</b> control_external.h:237</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a822a8437aeb32b4ec2413c08a3502fde"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a822a8437aeb32b4ec2413c08a3502fde">snd_ctl_ext_callback::free_key</a></div><div class="ttdeci">void(* free_key)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key)</div><div class="ttdef"><b>Definition:</b> control_external.h:167</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a844ce4698c73bb316bdbde1554353e4a"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a844ce4698c73bb316bdbde1554353e4a">snd_ctl_ext_callback::write_bytes</a></div><div class="ttdeci">int(* write_bytes)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned char *data, size_t max_bytes)</div><div class="ttdef"><b>Definition:</b> control_external.h:228</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a89619794442bb2582d4921753de3a344"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a89619794442bb2582d4921753de3a344">snd_ctl_ext_callback::poll_descriptors_count</a></div><div class="ttdeci">int(* poll_descriptors_count)(snd_ctl_ext_t *ext)</div><div class="ttdef"><b>Definition:</b> control_external.h:245</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a9219dbb614782cb8d92f6d5632ef55e2"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a9219dbb614782cb8d92f6d5632ef55e2">snd_ctl_ext_callback::find_elem</a></div><div class="ttdeci">snd_ctl_ext_key_t(* find_elem)(snd_ctl_ext_t *ext, const snd_ctl_elem_id_t *id)</div><div class="ttdef"><b>Definition:</b> control_external.h:163</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a95de209ca2f456797ddbba4cdf5b7bd0"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a95de209ca2f456797ddbba4cdf5b7bd0">snd_ctl_ext_callback::read_iec958</a></div><div class="ttdeci">int(* read_iec958)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, snd_aes_iec958_t *iec958)</div><div class="ttdef"><b>Definition:</b> control_external.h:212</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_a9c42eb6739a90477b7b3775b4972268b"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#a9c42eb6739a90477b7b3775b4972268b">snd_ctl_ext_callback::write_enumerated</a></div><div class="ttdeci">int(* write_enumerated)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items)</div><div class="ttdef"><b>Definition:</b> control_external.h:224</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_aad994483d97828f3d6941a70f46f46c2"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#aad994483d97828f3d6941a70f46f46c2">snd_ctl_ext_callback::get_integer64_info</a></div><div class="ttdeci">int(* get_integer64_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int64_t *imin, int64_t *imax, int64_t *istep)</div><div class="ttdef"><b>Definition:</b> control_external.h:181</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_ab43cecb31b9bd2fb2d87ebdcff67980a"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#ab43cecb31b9bd2fb2d87ebdcff67980a">snd_ctl_ext_callback::elem_count</a></div><div class="ttdeci">int(* elem_count)(snd_ctl_ext_t *ext)</div><div class="ttdef"><b>Definition:</b> control_external.h:155</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_ac99b6d92e4ca9c8e9115e38da0814bf6"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#ac99b6d92e4ca9c8e9115e38da0814bf6">snd_ctl_ext_callback::read_event</a></div><div class="ttdeci">int(* read_event)(snd_ctl_ext_t *ext, snd_ctl_elem_id_t *id, unsigned int *event_mask)</div><div class="ttdef"><b>Definition:</b> control_external.h:241</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_ad61ac2d50057ede7b363a385979010fb"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#ad61ac2d50057ede7b363a385979010fb">snd_ctl_ext_callback::close</a></div><div class="ttdeci">void(* close)(snd_ctl_ext_t *ext)</div><div class="ttdef"><b>Definition:</b> control_external.h:151</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_adbebb8e8d3a2c8325bfb71736acdfa63"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#adbebb8e8d3a2c8325bfb71736acdfa63">snd_ctl_ext_callback::get_enumerated_info</a></div><div class="ttdeci">int(* get_enumerated_info)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned int *items)</div><div class="ttdef"><b>Definition:</b> control_external.h:186</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_add5650b201dc8edbc3eb14111d9bd389"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#add5650b201dc8edbc3eb14111d9bd389">snd_ctl_ext_callback::get_attribute</a></div><div class="ttdeci">int(* get_attribute)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, int *type, unsigned int *acc, unsigned int *count)</div><div class="ttdef"><b>Definition:</b> control_external.h:171</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_ae977e058fc11d25ba1a0dea4ebdd91b2"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#ae977e058fc11d25ba1a0dea4ebdd91b2">snd_ctl_ext_callback::poll_descriptors</a></div><div class="ttdeci">int(* poll_descriptors)(snd_ctl_ext_t *ext, struct pollfd *pfds, unsigned int space)</div><div class="ttdef"><b>Definition:</b> control_external.h:249</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_aeeafda4a363eeb124ab21f7663cc804d"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#aeeafda4a363eeb124ab21f7663cc804d">snd_ctl_ext_callback::read_bytes</a></div><div class="ttdeci">int(* read_bytes)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, unsigned char *data, size_t max_bytes)</div><div class="ttdef"><b>Definition:</b> control_external.h:207</div></div>
<div class="ttc" id="astructsnd__ctl__ext__callback_html_af031bf7a362a9fde9e622be0d36bb9f3"><div class="ttname"><a href="structsnd__ctl__ext__callback.html#af031bf7a362a9fde9e622be0d36bb9f3">snd_ctl_ext_callback::write_iec958</a></div><div class="ttdeci">int(* write_iec958)(snd_ctl_ext_t *ext, snd_ctl_ext_key_t key, snd_aes_iec958_t *iec958)</div><div class="ttdef"><b>Definition:</b> control_external.h:233</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html"><div class="ttname"><a href="structsnd__ctl__ext.html">snd_ctl_ext</a></div><div class="ttdef"><b>Definition:</b> control_external.h:86</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a186de36995e8f5d879fcf3abea5aeff2"><div class="ttname"><a href="structsnd__ctl__ext.html#a186de36995e8f5d879fcf3abea5aeff2">snd_ctl_ext::name</a></div><div class="ttdeci">char name[32]</div><div class="ttdef"><b>Definition:</b> control_external.h:107</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a1b3bab17945ce89342aae1928bd33657"><div class="ttname"><a href="structsnd__ctl__ext.html#a1b3bab17945ce89342aae1928bd33657">snd_ctl_ext::poll_fd</a></div><div class="ttdeci">int poll_fd</div><div class="ttdef"><b>Definition:</b> control_external.h:119</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a24823fabe7534fdc7ebf0a12461ba9fc"><div class="ttname"><a href="structsnd__ctl__ext.html#a24823fabe7534fdc7ebf0a12461ba9fc">snd_ctl_ext::callback</a></div><div class="ttdeci">const snd_ctl_ext_callback_t * callback</div><div class="ttdef"><b>Definition:</b> control_external.h:124</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a3688ec45a9f38ba73c1ae9058414b033"><div class="ttname"><a href="structsnd__ctl__ext.html#a3688ec45a9f38ba73c1ae9058414b033">snd_ctl_ext::nonblock</a></div><div class="ttdeci">int nonblock</div><div class="ttdef"><b>Definition:</b> control_external.h:134</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a3863dfbb46d66f4cd43d93d42d58e393"><div class="ttname"><a href="structsnd__ctl__ext.html#a3863dfbb46d66f4cd43d93d42d58e393">snd_ctl_ext::longname</a></div><div class="ttdeci">char longname[80]</div><div class="ttdef"><b>Definition:</b> control_external.h:111</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a3a07d58cb46680c6cb9023dbf72e3120"><div class="ttname"><a href="structsnd__ctl__ext.html#a3a07d58cb46680c6cb9023dbf72e3120">snd_ctl_ext::subscribed</a></div><div class="ttdeci">int subscribed</div><div class="ttdef"><b>Definition:</b> control_external.h:135</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_a44e14783e538144eac71a6df139989b5"><div class="ttname"><a href="structsnd__ctl__ext.html#a44e14783e538144eac71a6df139989b5">snd_ctl_ext::mixername</a></div><div class="ttdeci">char mixername[80]</div><div class="ttdef"><b>Definition:</b> control_external.h:115</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_aaa3990caf54754608aa7541483072efa"><div class="ttname"><a href="structsnd__ctl__ext.html#aaa3990caf54754608aa7541483072efa">snd_ctl_ext::tlv</a></div><div class="ttdeci">union snd_ctl_ext::@28 tlv</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_abae840f5d02c49540b23b23285248d2b"><div class="ttname"><a href="structsnd__ctl__ext.html#abae840f5d02c49540b23b23285248d2b">snd_ctl_ext::private_data</a></div><div class="ttdeci">void * private_data</div><div class="ttdef"><b>Definition:</b> control_external.h:128</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_ac922ab575590b3d179ee439c0891d952"><div class="ttname"><a href="structsnd__ctl__ext.html#ac922ab575590b3d179ee439c0891d952">snd_ctl_ext::card_idx</a></div><div class="ttdeci">int card_idx</div><div class="ttdef"><b>Definition:</b> control_external.h:95</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_ae170b3a14d45d3bb830a91773bb832f4"><div class="ttname"><a href="structsnd__ctl__ext.html#ae170b3a14d45d3bb830a91773bb832f4">snd_ctl_ext::driver</a></div><div class="ttdeci">char driver[16]</div><div class="ttdef"><b>Definition:</b> control_external.h:103</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_af014c69147bee94eaddca82d6916326f"><div class="ttname"><a href="structsnd__ctl__ext.html#af014c69147bee94eaddca82d6916326f">snd_ctl_ext::handle</a></div><div class="ttdeci">snd_ctl_t * handle</div><div class="ttdef"><b>Definition:</b> control_external.h:132</div></div>
<div class="ttc" id="astructsnd__ctl__ext_html_af3599d3baa6b5ceadecbfbd74b8b773f"><div class="ttname"><a href="structsnd__ctl__ext.html#af3599d3baa6b5ceadecbfbd74b8b773f">snd_ctl_ext::version</a></div><div class="ttdeci">unsigned int version</div><div class="ttdef"><b>Definition:</b> control_external.h:91</div></div>
<div class="ttc" id="aump__msg_8h_html_a1e43bf7d608e87228b625cca2c04d641"><div class="ttname"><a href="ump__msg_8h.html#a1e43bf7d608e87228b625cca2c04d641">data</a></div><div class="ttdeci">uint8_t data</div><div class="ttdef"><b>Definition:</b> ump_msg.h:8</div></div>
<div class="ttc" id="aump__msg_8h_html_ad44b615021ed3ccb734fcaf583ef4a03"><div class="ttname"><a href="ump__msg_8h.html#ad44b615021ed3ccb734fcaf583ef4a03">type</a></div><div class="ttdeci">uint8_t type</div><div class="ttdef"><b>Definition:</b> ump_msg.h:13</div></div>
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