From mboxrd@z Thu Jan  1 00:00:00 1970
From: Takashi Iwai <tiwai@suse.de>
Subject: Re: [PATCH v2 1/2] ALSA: jack: create jack kcontrols
	for every jack input device
Date: Mon, 23 Mar 2015 12:59:27 +0100
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To: David Henningsson <david.henningsson@canonical.com>
Cc: Tanu Kaskinen <tanu.kaskinen@linux.intel.com>, "alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>, Liam Girdwood <liam.r.girdwood@linux.intel.com>, "broonie@kernel.org" <broonie@kernel.org>, "Girdwood,
 Liam R" <liam.r.girdwood@intel.com>
List-Id: alsa-devel@alsa-project.org

At Mon, 23 Mar 2015 12:51:07 +0100,
David Henningsson wrote:
> 
> 
> 
> On 2015-03-23 11:56, Tanu Kaskinen wrote:
> > One thing that is unclear for me is that how are those jacks represented
> > that support any of headsets/headphones/microphones, but don't provide
> > information about which device type has been plugged in.
> 
> For headphone or headset, independent switches:
> 
>   * "Headphone Jack"
>   * "Headset Mic Jack"
> 
> For headphone or headset, one hw switch only:
> 
>   * "Headphone Jack"
>   * "Headset Mic Phantom Jack"
> 
> Headphone or mic, one hw switch:
> 
>   * "Headphone Mic Jack"
> 
> Headphone, headset, or mic, one hw switch only:
> 
>   * "Headphone Mic Jack"
>   * "Headset Mic Phantom Jack"
> 
> Headphone, headset, or mic, one switch for hp/mic and the other for the 
> headset mic:
> 
>   * "Headphone Mic Jack"
>   * "Headset Mic Jack"
> 
> The first one is the most common one, but all of the other ones exist, 
> especially on recent Dell machines.

Are all these about a single headset/headphone jack?
If so, yeah, it's really messy.


Takashi