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Date:   Tue, 29 Dec 2020 16:51:57 +0000
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     Hans de Goede <hdegoede@...hat.com>,
        Mark Brown <broonie@...nel.org>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>
CC:     Lee Jones <lee.jones@...aro.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        <patches@...nsource.cirrus.com>, <linux-kernel@...r.kernel.org>,
        <alsa-devel@...a-project.org>
Subject: Re: [PATCH 01/14] mfd: arizona: Add jack pointer to struct arizona



On 29/12/2020 15:40, Hans de Goede wrote:
> Hi,
> 
> On 12/29/20 4:15 PM, Mark Brown wrote:
>> On Tue, Dec 29, 2020 at 03:06:35PM +0000, Charles Keepax wrote:
>>
>>> There is maybe more argument for porting the Arizona code across
>>> anyways, since for a long time Android didn't properly support extcon
>>> either. It supported the earlier out of tree switch stuff, extcon
>>
>> Completely moving the driver doesn't cause the same problems as the
>> current proposal (unless it drops functionality I guess, there were
>> issues with adding new detection types into the input layer but I can't
>> remember if this hardware was impacted by that or not).
> 
> The input-layer supports the following switches:
> 
> SW_HEADPHONE_INSERT
> SW_MICROPHONE_INSERT
> SW_LINEOUT_INSERT
> SW_JACK_PHYSICAL_INSERT
> 
> Which is a 1:1 mapping with the cable-types currently exported by
> extcon-arizona.c .
> 
> I'm fine with fully moving extcon-arizona.c over to only using
> sound/core/jack.c functionality and it no longer exporting an
> extcon device.
> 
> I guess we should move it out of drivers/extcon then though.
> I suggest using: sound/soc/cirrus/arizona-jack-detect.c
> Note that sound/soc/cirrus is a new dir here. Would that work
> for you ?

Shouldn't it be sound/soc/codecs/arizona-jack.c so that it is with all
the other code for those codecs?
> 
> And I guess we probably also want to change the MFD instantiated
> platform-dev's name to which it binds then?
> 
> I suggest using: "arizona-jack-detect" as new pdev name.
> 
> It will take me some time before I can make time to implement this,
> but this is a plan which I can get behind.
> 
> Regards,
> 
> Hans
> 

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