[alsa-devel] [PATCH 4/5] ALSA: hda - Implement shared front mic/hp jack for HP Z220

Raymond Yau superquad.vortex2 at gmail.com
Fri Nov 30 08:21:42 CET 2012

> HP Z220 with ALC221 codec has a front jack that should work as both
> the front mic and the secondary headphone.  This patch adds a new
> mixer enum to change the jack behavior.
> In the headphone mode, the auto-mic switching is disabled and the
> input is fixed to the rear line-in.

I expect when any input jack(line in or mic) is retasked as output e.g.
alc_set_multi_io() the corresponding jack detection kcontrol should change
to false

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