[alsa-devel] [PATCH] ALSA: SoC: Added jack detection kcontrol support

[Mark Brown]

On Mon, Jul 22, 2013 at 02:11:44PM -0700, Felipe Tonello wrote:

> My question is: Why ALSA Jack support uses evdev input events to
> notify user-space? Is there any user-space relying on that? If no, I
> would like to change ALSA Jack implementation to only use KControl and
> remove specific implementations.

This was the existing kernel API at the time that the code was added -
I beleive people had been doing that for simple switches that detect the
physical presence of a jack since it looks exactly like a button from a
hardware point of view.  See the original commit adding the code.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 836 bytes
Desc: Digital signature
URL: <http://mailman.alsa-project.org/pipermail/alsa-devel/attachments/20130723/32c4c120/attachment.sig>