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

[bugzilla-daemon at freedesktop.org]

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

--- Comment #56 from Raymond <superquad.vortex2 at gmail.com> ---
as the combo jack cannot differentiate headphone, headset , headset mic phantom
jack is  created

you have to give up the support of headphone in order to allow headset mic can
be auto selected 

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/include/sound/jack.h




enum snd_jack_types {
        SND_JACK_HEADPHONE      = 0x0001,
        SND_JACK_MICROPHONE     = 0x0002,
        SND_JACK_HEADSET        = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,


use jack sense of headphone pin to represent both headphone and mic . need to
modify dfriver to create headset jack instead of headphone jack and headset mic
phantom jack

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