<div>Hi Guys,</div><div><br></div><div><div>In the following scenario, switching output ports across sound cards will cause the Headphone to be silent.</div><div>(Tips: USB speakers or Bluetooth earphones use independent sound cards, and the device uses an onboard sound card.)</div><div><br></div><div>1. headphone is unplugged, automatically change port: headphone -> speaker-> usb speaker (or Bluetooth earphone)</div><div>2. headphone is plugged, automatically change port: usb speaker(or Bluetooth earphone) -> headphone</div><div><br></div><div>Step 1. When the headphone is unplugged, the port is automatically switched from the headphone to the speaker. </div><div>The following configuration items in the analog-output-speaker.conf file will be applied, and then the port is </div><div>switched to the USB speaker.</div><div>Close Headphone volume</div><div>[Element Headphone]</div><div>switch=off</div><div>volume=off</div><div><br></div><div>Step 2, when the headphone is plugged in, the port is automatically switched from the USB speaker to the headphone, </div><div>and the following configuration items in the analog-output-headphone.conf file will be applied.</div><div>[Element Headphone]</div><div>required-any = any</div><div>switch = mute</div><div>volume=merge</div><div>override-map.1 = all</div><div>override-map.2 = all-left,all-right</div><div><br></div><div>As you can see through alsamixer, the volume of the Headphone has been restored, but the Headphone is silent.</div></div><div><br></div><div>Could you please help slove this issue, thanks!</div><div><br></div><div>Best Regards,</div><div>Chengyi</div><div><sign signid="0"><div style="font-size:14px;font-family:Verdana;color:#000;" class="signRealArea"><div><div><br></div></div> </div></sign></div><div> </div><div><includetail></includetail></div>