Using Wired Headphones
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 I was wondering if it was possible to use wired headphones via UCBC on Fairphone 4. I linked a separate forum below for Pinephone, but that script doesn't work for me. The amixer items listed are very different from simply 'Headphone' and 'Line Out'. https://forum.pine64.org/showthread.php?tid=10744 Anyone got wired headphones working on Fairphone 4? 
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 Hi, 
 I have the same problem on FP4: headphones via usb-c does not work.
 I see there is an issue on it: https://gitlab.com/ubports/development/core/packaging/usb-moded/-/issues/6I hope, it could be fixed soon! 
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 @YomenT I had the same issue on a Oneplus 6T and found a way to manual switch audio output to USB-C (and back to speakers). Perhaps this will help? You would need to check which plughw device is USB-C https://forums.ubports.com/post/77157 (Not plug n play though)