linux-kernel - Re: Acecad USB Tablet: usbmouse takeover and odd motion

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Date:	Fri, 20 Apr 2007 15:35:54 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Giuseppe Bilotta <giuseppe.bilotta@...il.com>
Cc:	linux-kernel@...r.kernel.org, dmitry.torokhov@...il.com,
	edouard.tisserant@...adoo.fr
Subject: Re: Acecad USB Tablet: usbmouse takeover and odd motion

On Fri, 20 Apr 2007, Giuseppe Bilotta wrote:

> > could you please send me the product ID of the hardware in question? 
> > (you could get it for example by running lsusb). Currently the usbhid 
> > driver blacklists just product ids 0x0004 and 0x0008 (so that for 
> > these product ids, the HID driver doesn't claim the device and lets 
> > other driver - acecad - to claim it). I guess you have some newer 
> > version of the device, so just adding it to blacklist should suffice.
> lsusb claims:
> Bus 002 Device 003: ID 0460:0004 Ace Cad Enterprise Co., Ltd
> and according to hid-core.c this *is* a blacklisted ID ...

Yes, so it definitely should be ignored and not claimed by the usbhid 
subsystem.

Could you please verify in /sys/bus/usb/drivers/usbhid whether this device 
is really claimed by the usbhid driver? Do you have other HID devices in 
the system?

-- 
Jiri Kosina
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