From mboxrd@z Thu Jan  1 00:00:00 1970
From: broonie@opensource.wolfsonmicro.com (Mark Brown)
Date: Wed, 7 Oct 2009 13:06:44 +0100
Subject: spitz: add gpio button support (AK_INT and remote control
	description)
In-Reply-To: <1254914991.4213.80.camel@hammer.suse.cz>
References: <20091006074635.GA2775@ucw.cz>
	<1254829732.3546.35.camel@utx.utx.cz>
	<20091007085806.GB28807@elf.ucw.cz>
	<1254914991.4213.80.camel@hammer.suse.cz>
Message-ID: <20091007120643.GA17069@rakim.wolfsonmicro.main>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, Oct 07, 2009 at 01:29:51PM +0200, Stanislav Brabec wrote:

> SW_REMOTE_INSERT should be recognized by the Jack abstraction layer
> (sound/core/jack.c).

It's the other way around - the jack layer reports jacks for ALSA cards.
Also, for spitz you'd probably want to be using the ASoC wrapper layer.

> Well, I am thinking about defining extra values for resistors, that can
> make stuff even more useful at cost of need of non-standard wiring on
> fourth ring of the audio jack. It can generate SW_MICROPHONE_INSERT,
> SW_LINEOUT_INSERT, and not yet defined SW_HEADESET_INSERT and
> SW_LINEIN_INSERT (which would require hardware mod inside Zaurus for
> stereo line-in).

Headset should be represented by reporting headphone plus microphone on
one jack simultaneously.