Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752996Ab1EHTvu (ORCPT <rfc822;w@1wt.eu>);
	Sun, 8 May 2011 15:51:50 -0400
Received: from mail-fx0-f46.google.com ([209.85.161.46]:47704 "EHLO
	mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751173Ab1EHTvs (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Sun, 8 May 2011 15:51:48 -0400
Message-ID: <4DC6F44E.1000703@sieker.io>
Date: Sun, 08 May 2011 21:51:42 +0200
From: "Adi J. Sieker" <adi@core.adi.io>
User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.14) Gecko/20110223 Lightning/1.0b2 Thunderbird/3.1.8
MIME-Version: 1.0
To: Christoph Fritz <chf.fritz@googlemail.com>
CC: Jiri Kosina <jkosina@suse.cz>, Alan Stern <stern@rowland.harvard.edu>,
        Oliver Neukum <oliver@neukum.org>,
        USB list <linux-usb@vger.kernel.org>, linux-input@vger.kernel.org,
        Kernel development list <linux-kernel@vger.kernel.org>
Subject: Re: USB keyboard recognized as HID keyboard but doesn't work
References: <Pine.LNX.4.44L0.1105030945410.2085-100000@iolanthe.rowland.org>	 <alpine.LNX.2.00.1105061456320.28291@pobox.suse.cz>	 <4DC3FEC7.6050503@sieker.io> <1304807093.5891.45.camel@mars>
In-Reply-To: <1304807093.5891.45.camel@mars>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 2047
Lines: 58

On 08/05/11 00:24, Christoph Fritz wrote:
> On Fri, 2011-05-06 at 15:59 +0200, Adi J. Sieker wrote:
>> On 06/05/11 14:58, Jiri Kosina wrote:
>>> On Tue, 3 May 2011, Alan Stern wrote:
>>>
>>>>> Do you know of a way for me to tell the kernel/usbhid to use interface 1
>>>>> and ignore interface 0?
>>>>
>>>> Well, you can always unbind interface 0 from usbhid -- it corresponds
>>>> to the 2-1.1:1.0 file in /sys/bus/usb/drivers/usbhid/.  If you do that,
>>>> you'll probably find the few keys which _do_ currently work suddenly
>>>> stop working.
>>>>
>>>> But there's nothing to be done immediately about interface 1; usbhid is
>>>> _already_ using it.  It just isn't using it correctly.
>>>
>>> Adi,
>>>
>>> could you please provide output of
>>>
>>> 	cat /syse/kernel/debug/hid/<keyboard>/rdesc
>>>
>>> anytime after the keyboard has been plugged, and
>>
>> in /sys/kernel/debug/hid I have two devices for the keyboard. One is
>> 0003:060B:0230.0002 and the other 0003:060B:0230.0003
>>
>> attached are the rdesc files for both devices.
>>
>>>
>>> 	cat /syse/kernel/debug/hid/<keyboard>/events
>>   >  from the time you press any of the working and non-working keys? (both
>>   >  cases will be interesting).
>>
>> I only get events for the working keys on the *:0002 device.
>> All other files were empty after I pressed some keys.
>>
>> The events for the working keys are attached in the *.events file.
>> I first pressed backspace and then the menu key.
>
> Hi Adi,
>
>   I'm not sure about my patch below because of interface one, maybe you
> can give it a try.
>
What kernel version do I need? I'm running Ubuntu 10.04, so can I apply 
this to a 2.6.32 Ubuntu kernel or do I need a current 2.6.39?

Any ideas if I'll run into problems if I run Ubuntu 10.04 on a 2.6.39 
kernel.

Cheers
    Adi
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/