linux-kernel - Re: [PATCH 1/2] Input: atmel_mxt_ts - add device id for touchpad variant

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Date:	Fri, 1 Mar 2013 19:57:34 -0800
From:	Olof Johansson <olofj@...omium.org>
To:	Benson Leung <bleung@...omium.org>
Cc:	miletus@...omium.org, dmitry.torokhov@...il.com,
	matthew.garrett@...ula.com, rydberg@...omail.se,
	djkurtz@...omium.org, jy0922.shim@...sung.com, wfp5p@...ginia.edu,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH 1/2] Input: atmel_mxt_ts - add device id for touchpad variant

(sorry for duplicate post to some of you, my mail client defaulted to
HTML email for some reason).


2013/3/1 Benson Leung <bleung@...omium.org>
>
> From: Daniel Kurtz <djkurtz@...omium.org>
>
> This same driver can be used by atmel based touchscreens and touchpads
> (buttonpads) by instantiating the i2c device as a "atmel_mxt_tp".
>
> This will cause the driver to perform some touchpad specific
> initializations, such as:
>   * register input device name "Atmel maXTouch Touchpad" instead of
>   Touchscreen.
>   * register BTN_LEFT & BTN_TOOL_* event types.
>   * register axis resolution (as a fixed constant, for now)
>   * register BUTTONPAD property
>   * process GPIO buttons using reportid T19
>
> For now, the left mouse button is mapped to GPIO3. Going forward,
> platform data should specify the configuration of the buttons.
> They can be configured via a future platform data change to
> specify optional middle and right buttons, as well as other possible
> uses for the GPIO object T19.
>
> Signed-off-by: Daniel Kurtz <djkurtz@...omium.org>
> Signed-off-by: Benson Leung <bleung@...omium.org>
>
> Change-Id: Ia82e75d85111c94f6c3fb423181df0fa4b964fc4

Please remember to remove Change-Id on future patch postings.

Tested with native Linux Mint +mainline kernel earlier today, so:

Tested-by: Olof Johansson <olof@...om.net>
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