linux-kernel - Re: [PATCH 0/2] Add SW_MACHINE

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Date:   Wed, 15 Apr 2020 15:29:32 +0200
From:   Merlijn Wajer <merlijn@...zup.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        "Darren Hart (VMware)" <dvhart@...radead.org>,
        Mattias Jacobsson <2pi@....nu>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: Re: [PATCH 0/2] Add SW_MACHINE_COVER key

Hi,

Any objections or further comments on these two patches? It's been a while.

Cheers,
Merlijn

On 15/02/2020 18:02, Merlijn Wajer wrote:
> this series adds the sw_machine_cover key, and changes the nokia n900 dts to
> expose the key via gpio-keys.
> 
> before, this gpio was used as card detect gpio, causing the card not to show up
> if the phone was booted without cover, see this thread on linux-omap:
> 
>     n900: remove mmc1 "safety feature"? (was: re: mmc0 on nokia n900 on linux 5.4.18)
> 
> since there is no realistic use for using this gpio as card detect, instead
> expose it to userspace via gpio-keys. there are no event type for machine covers
> yet, so add that first.
> 
> the key should be 1 when the cover is closed, and 0 when the cover is open.
> 
> starting the nokia n900 with the cover removed, putting the cover in place:
> 
>     event: time 1581684523.415296, type 5 (ev_sw), code 16 (?), value 1
> 
> removing the cover again, exposing mmc1 and the battery:
> 
>     event: time 1581684529.413706, type 5 (ev_sw), code 16 (?), value 0
> 
> Merlijn Wajer (2):
>   Input: add `SW_MACHINE_COVER`
>   ARM: dts: n900: remove mmc1 card detect gpio
> 
>  arch/arm/boot/dts/omap3-n900.dts       | 12 ++++++++----
>  include/linux/mod_devicetable.h        |  2 +-
>  include/uapi/linux/input-event-codes.h |  3 ++-
>  3 files changed, 11 insertions(+), 6 deletions(-)
> 




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