linux-kernel - Re: [PATCH 0/1] input: keyboard: add qci keyboard driver

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Date:	Fri, 27 Aug 2010 15:33:01 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Neil Leeder <nleeder@...eaurora.org>
Cc:	"linux-input@...r.kernel.org" <linux-input@...r.kernel.org>,
	"linux-arm-msm@...r.kernel.org" <linux-arm-msm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Horace Fu <horace.fu@...ntatw.com>, Hsin.Wu@...ntatw.com
Subject: Re: [PATCH 0/1] input: keyboard: add qci keyboard driver

On Friday, August 27, 2010 03:14:53 pm Neil Leeder wrote:
> This is an update of the keyboard driver which Quanta previously posted
> to linux-input. Like the touchpad driver, I'm taking over maintenance
> for code aurora forum.
> 
> The keyboard is attached to an embedded controller which is accessed
> through I2C. It has a dedicated I2C address and its own interrupt line,
> so it is not treated as an mfd. Although a PS/2 command, 0xF4, is used
> to initialize the keyboard, the EC does not respond to other PS/2
> commands. I have tried a serio driver on the port and attempted to use
> keyboard drivers like xtkbd to communicate with it. These fail for
> similar reasons to those discussed in the qci touchpad thread. This is
> the reason for having this as a stand-alone driver.
>

No, this is crazy... This is a twin-brother of the touchpad driver and
I really do not understand why chip claiming to have PS/2 interface
(3 ports if I were to believe the diagram) would not allow us talk to
the devices...

-- 
Dmitry
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