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

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Date:   Tue, 16 Jun 2020 12:50:02 +0200
From:   Pavel Machek <pavel@....cz>
To:     Merlijn Wajer <merlijn@...zup.org>
Cc:     Beno??t Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Rob Herring <robh+dt@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Borislav Petkov <bp@...e.de>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Mattias Jacobsson <2pi@....nu>,
        Russell King <rmk+kernel@...linux.org.uk>,
        Mark Gross <mgross@...ux.intel.com>,
        "open list:OMAP DEVICE TREE SUPPORT" <linux-omap@...r.kernel.org>,
        "open list:OMAP DEVICE TREE SUPPORT" <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN)..." 
        <linux-input@...r.kernel.org>
Subject: Re: [PATCH 0/2] Add SW_MACHINE_COVER key

On Fri 2020-06-12 14:53:57, 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

Looks good to me.

Acked-by: Pavel Machek <pavel@....cz>

									Pavel


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