[pulseaudio-discuss] [PATCH] alsa: make headset-mic scanned earlier than headphone-mic

Hui Wang hui.wang at canonical.com
Wed May 24 12:54:54 UTC 2017

>> keep the headphone-mic's priority to 87, after booting up, the default
>> input active_port is headset-mic (that is expected), I plug a microphone
>> and select "headphone-mic" from UI program, the input active_port is
>> headphone-mic now, then I unplug the headphone-mic, the input
>> active_port is  changed back to headset-mic. So changing priority really
>> can fix these two issues.
> Do both ports change availability status from "no" to "unknown" when
> anything is plugged in? That would explain why increasing the headset-
> mic priority fixes both issues.
Yes, it works in the way as you guess.
> I guess you'll write a patch for increasing the port priority. I would
> strongly recommend changing the UI program as well, but that's up to
> you.
I will write a patch to increase port priority first, later I will 
improve the UI program.


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