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Headphone port not detected on Lenovo Flex 14API

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    Headphone port not detected on Lenovo Flex 14API

    Hi there. Kubuntu won't detect the existence of a headphone port, thus won't autoswitch to that when headphones are plugged in.

    Lenovo Flex 14API -
    https://www.microcenter.com/product/...mputer---black

    This bug affected me on 19.04 as well. There's a side issue where I have to run the old
    5.0.0-32-generic kernel or there's serious video lag and frequent hard lockups, especially on attempting to suspend to RAM.

    lspci relevant sections:
    04:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Raven/Raven2/Fenghuang HDMI/DP Audio Controll
    er
    04:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/FireFlight/Renoir Audio Pro
    cessor
    04:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller

    Done some of this:
    https://help.ubuntu.com/community/So...otingProcedure

    The port doesn't show up at all in any control panel - thinks there's only speakers. So, is the wrong device driver being used for my card or?

    Thanks in advance for any help.

    -Chris
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