[alsa-devel] Jack detection on HDA vs SoC

Raymond Yau superquad.vortex2 at gmail.com
Sat Feb 4 04:41:07 CET 2012

2012/2/4, Dylan Reid <dgreid at chromium.org>:
> under hda I see: new, control-based jack notification, and
> auto-switching of the output/input done in the driver.
> under soc it is: /dev/input used for jack notification, with the
> switching _not_ done in the driver.
> Is there a plan for the soc code to use the control-based method?
> Is there a consensus on whether new drivers should auto-switch or not?

Is there any solution for those combo jack of lenovo t400 and ideapad s200 ?




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