[alsa-devel] [PATCH] ASoC: jack: export gpio detect

Christopher Freeman cfreeman at nvidia.com
Tue Apr 8 22:40:10 CEST 2014

On 4/3/14 3:07 PM, "Mark Brown" <broonie at kernel.org> wrote:

>* PGP Signed by an unknown key
>On Thu, Apr 03, 2014 at 03:03:55PM -0700, cfreeman at nvidia.com wrote:
>> From: Christopher Freeman <cfreeman at nvidia.com>
>> Export the gpio detect function so machine drivers
>> may call it.  Interrupts for the jack may be disabled
>> during sleep, so this allows a machine driver to have
>> the jack status updated during resume.
>It seems better to have explicit callbacks for this doesn't it, ideally
>ones that get triggered by the core without the machine driver having to
>do anything?  This is a common need so having to open code it would be a
>bit depressing.

Mark, do you have a suggestion on how to plumb this up?  The way I see it,
the machine drivers own the context for the gpios and soc-jack acts as a
helper library.  I don't see a way to do this from the core.

>* Unknown Key
>* 0x7EA229BD

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