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Date:   Tue, 29 Dec 2020 15:15:48 +0000
From:   Mark Brown <>
To:     Charles Keepax <>
Cc:     Hans de Goede <>,
        Lee Jones <>,
        MyungJoo Ham <>,
        Chanwoo Choi <>,
        Cezary Rojewski <>,
        Pierre-Louis Bossart <>,
        Liam Girdwood <>,
        Jie Yang <>,,,
Subject: Re: [PATCH 01/14] mfd: arizona: Add jack pointer to struct arizona

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).

> had a switch compatibility mode, but that didn't actually work I
> think due to android hard coding some sysfs naming or something
> (memory is a little fuzzy on the details was a while ago now).

Yeah, it was a trivial edit to make it work which given everyone was
patching Android anyway wasn't a huge issue for shipping things (or you
could futz it in the kernel too if you felt like it).

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