[alsa-devel] Jack detection on HDA vs SoC

[Raymond Yau]

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 ?

http://forums.lenovo.com/t5/T400-T500-and-newer-T-series/Audio-combo-jack-vs-headphone-earphone-with-mic-and-speaker/ta-p/240186

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5272

https://bugtrack.alsa-project.org/alsa-bug/view.php?id=5523