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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/rtp/rtp-interface_design.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">接口设计</h1><div class="date inPage">3 Sep 2024</div><div style="color: gray;"></div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d212086e22__20250121171640"> 以下接口是 Input 子系统需要的标准接口。</p><div class="table-container"><table class="- topic/table table frame-all" id="rtp_interface_design__table_vqj_r5y_21c" data-ofbid="rtp_interface_design__table_vqj_r5y_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_rtp_open</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="rtp_interface_design__table_vqj_r5y_21c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="rtp_interface_design__table_vqj_r5y_21c__entry__2">static int aic_rtp_open(struct input_dev *dev)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__2">打开 RTP 设备,驱动会使能 RTP 控制器</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__2">dev - 指向当前的 input 设备</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_vqj_r5y_21c__entry__2">0成功。 &lt; 0失败</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="rtp_interface_design__table_vqj_r5y_21c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="rtp_interface_design__table_vqj_r5y_21c__entry__2">-</td></tr></tbody></table></div><div class="table-container"><table class="- topic/table table frame-all" id="rtp_interface_design__table_wqj_r5y_21c" data-ofbid="rtp_interface_design__table_wqj_r5y_21c" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label"><span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">aic_rtp_close</span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="rtp_interface_design__table_wqj_r5y_21c__entry__1">函数原型</th><th class="- topic/entry entry colsep-0 rowsep-1" id="rtp_interface_design__table_wqj_r5y_21c__entry__2">static void aic_rtp_close(struct input_dev *dev)</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__1">功能说明</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__2">关闭 RTP 设备,驱动会关闭 RTP 控制器</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__1">参数定义</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__2">dev - 指向当前的 input 设备</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__1">返回值</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtp_interface_design__table_wqj_r5y_21c__entry__2">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="rtp_interface_design__table_wqj_r5y_21c__entry__1">注意事项</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="rtp_interface_design__table_wqj_r5y_21c__entry__2">-</td></tr></tbody></table></div></div></article></main></div>
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