[pulseaudio-tickets] [Bug 81580] Microphone port switch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=81580

--- Comment #6 from Raymond <superquad.vortex2 at gmail.com> ---
when there are two detectable mic JacKS and internal Mic, 

there is no way to know the user want to use which input sources when both Mic
jacks are plugged



if you really want auto Mic between headset Mic and internal mic if you
notebook does not support conventional Mic jack

modify driver to create a headset Mic Jack which return the Jack state of
headphones and don't create the headset Mic phantom jack


and use hda Jack retask to remove dock mic to enable auto mic




there are hda codec which only have one playback volume control but no
headphone playback switch nor speaker playback switch

driver can perform auto mute by gpio or using pin ctl

https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1334110

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