linux-kernel - Re: [PATCH v2] input: mouse: add qci touchpad driver

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Date:	Tue, 17 Aug 2010 13:14:59 -0400
From:	Neil Leeder <nleeder@...eaurora.org>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Stepan Moskovchenko <stepanm@...eaurora.org>,
	linux-input@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	linux-kernel@...r.kernel.org, Horace Fu <horace.fu@...ntatw.com>,
	Mandeep Singh Baines <msb@...omium.org>,
	Trilok Soni <tsoni@...eaurora.org>
Subject: Re: [PATCH v2] input: mouse: add qci touchpad driver

On 8/13/2010 8:54 PM, Dmitry Torokhov wrote:
> Also it is not a simple coincidence that to enable device you send 0xf4
> to it (which is PSMOUSE_CMD_ENABLE - standard PS/2 command). This tends
> to suggest that interface is not actually hidden and that the device
> (touchpad) could be replaced with other kinds of devices.
>
> Anyway, please try the driver (you  may need to hardcode the IRQ trigger
> type for now) and see if psmouse is able to talk to the touchpad. If it
> is then serio is the proper solution.

Dmitri,
I fixed one line in the wpce775x_serio driver which looked like a typo - 
hope I got that right:

	for (i = 0; i < count; i++)
-		serio_interrupt(ps2if->serio, ps2if->data_in[1], 0);
+		serio_interrupt(ps2if->serio, ps2if->data_in[i], 0);
	}

I tried running with psmouse but it didn't work. The touchpad was never 
detected as a synaptics touchpad. I looked at the dataflow from the 
device and it wasn't responding to the commands that synaptics_detect() 
was sending it. It eventually showed up as an unknown logitech mouse. I 
can see data being passed through the serio driver but the logitech 
driver can't process it.

--
Neil
-- 
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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