linux-kernel - Re: [PATCH v2] Input: Bug 18122 - Support Lenovo S10-3t's 2-button ClickPad

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Date:	Mon, 29 Nov 2010 23:50:26 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Yan Li <yan.i.li@...el.com>
Cc:	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	Takashi Iwai <tiwai@...e.de>,
	"Ding, Jian-feng" <jian-feng.ding@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"meego-kernel@...ts.meego.com" <meego-kernel@...ts.meego.com>
Subject: Re: [PATCH v2] Input: Bug 18122 - Support Lenovo S10-3t's 2-button
 ClickPad

On Tue, Nov 30, 2010 at 03:44:06PM +0800, Yan Li wrote:
> This is for kernel bug #18122 and MeeGo bug #4807, version 2.
> 
> Lenovo S10-3t's ClickPad is a 2-button ClickPad that reports BTN_LEFT
> and BTN_RIGHT as normal touchpad, unlike the 1-button ClickPad used in
> HP mini 210 that reports solely BTN_MIDDLE.
> 
> Of c0-cap response, the 1-button ClickPad has the 20-bit set while
> 2-button ClickPad has the 8-bit set.
> 
> This patch makes the kernel only handle 1-button ClickPad specially,
> and treat 2-button ClickPad as same as other normal touchpads.
> 

As Takashi mentioned, HP Clickpads have the same 0x0c signature than
Lenovos non-clickpads so this is not that simple. We need to wait and
see if Christopher will shed some light here...

Thanks.

-- 
Dmitry
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