linux-kernel - Re: [PATCH v2 2/2] ARM: dts: imx: add devicetree for Tolino Shine 2 HD

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Message-ID: <20200827183323.GE103070@latitude>
Date:   Thu, 27 Aug 2020 20:33:23 +0200
From:   Jonathan Neuschäfer <j.neuschaefer@....net>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        Anson.Huang@....com, marcel.ziswiler@...adex.com,
        sebastien.szymanski@...adeus.com, michael@...le.cc,
        rjones@...eworks.com, leoyang.li@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, j.neuschaefer@....net,
        letux-kernel@...nphoenux.org
Subject: Re: [PATCH v2 2/2] ARM: dts: imx: add devicetree for Tolino Shine 2
 HD

On Wed, Aug 26, 2020 at 10:42:51PM +0200, Andreas Kemnade wrote:
> This adds a devicetree for the Tolino Shine 2 HD Ebook reader. It is based
> on boards marked with "37NB-E60QF0+4A2". It is equipped with an i.MX6SL
> SoC.
> 
> Expected to work:
> - Buttons
> - Wifi
> - Touchscreen
> - LED
> - uSD
> - USB
> - RTC
> 
> Not working due to missing drivers:
> - Backlight (requires NTXEC driver)
> - EPD
> 
> Not working due to unknown reasons:
> - deep sleep (echo standby >/sys/power/state works),
>   wakeup fails when imx_gpc_pre_suspend(true) was called.
> 
> Signed-off-by: Andreas Kemnade <andreas@...nade.info>
> ---
[...]
> +		fl {
> +			label = "Frontlight";
> +			gpios = <&gpio3 26 GPIO_ACTIVE_LOW>;
> +			linux,code = <KEY_BRIGHTNESS_CYCLE>;
> +		};

Another option might be KEY_BRIGHTNESS_TOGGLE/KEY_DISPLAYTOGGLE, but
it's not a perfect match, either. (And perhaps a worse match due to the
connotation of turning the display off.)


Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@....net>

Thanks

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