Re: [PATCH v2 1/2] Input: silead - Add support for capactive home button found on some x86 tablets

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Hi Hans,

On Tue, Oct 17, 2017 at 8:45 AM, Hans de Goede <hdegoede@xxxxxxxxxx> wrote:
> On some x86 tablets with a silead touchscreen the windows logo on the
> front is a capacitive home button. Touching this button results in a touch
> with bits 12-15 of the Y coordinates set, while normally only the lower 12
> are used.
>
> Detect this and report a KEY_LEFTMETA press when this happens. Note for
> now we only respond to the Y coordinate bits 12-15 containing 0x01, on some
> tablets *without* a capacative button I've noticed these bits containing
> 0x04 when crossing the edges of the screen.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> Changes in v2:
> -Only enable support for the home-button if a "silead,home-button"
>  boolean device-property is set on the device

You need to add this new property to
Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
and CC Rob.

Thanks!

-- 
Dmitry



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