From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx-001.topalis.com ([195.243.109.4]:10349 "EHLO mx-001.topalis.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755055Ab0GQPS3 (ORCPT ); Sat, 17 Jul 2010 11:18:29 -0400 Message-ID: <4C41C9C3.9040506@topalis.com> Date: Sat, 17 Jul 2010 17:18:27 +0200 From: Michael Kromer MIME-Version: 1.0 To: Laurent Pinchart CC: Pete Eberlein , linux-media@vger.kernel.org Subject: Re: Chicony Electronics 04f2:b1b4 webcam device unsupported (yet) References: <201007171057.27325.laurent.pinchart@ideasonboard.com> <4C41AF34.8060406@topalis.com> <201007171700.48576.laurent.pinchart@ideasonboard.com> In-Reply-To: <201007171700.48576.laurent.pinchart@ideasonboard.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-media-owner@vger.kernel.org List-ID: Hi Laurent, Am 17.07.2010 17:00, schrieb Laurent Pinchart: > Hi Michael, > > On Saturday 17 July 2010 15:25:08 Michael Kromer wrote: >> Am 17.07.2010 10:57, schrieb Laurent Pinchart: >>> On Saturday 17 July 2010 10:34:20 Michael Kromer wrote: >>>> On 07/16/2010 07:14 PM, Pete Eberlein wrote: >>>>> On Fri, 2010-07-16 at 18:32 +0200, Michael Kromer wrote: >>>>>> I have bought myself a rather new Lenovo Thinkpad X100e, and there is >>>>>> no support for the webcam device in the current (2.6.34) kernel >>>>>> (yet). 2.6.35 doesn't seem to have a driver for it either. Is there >>>>>> any possibility for one of you guys to take a look at it? >>>>> >>>>> The descriptors look like a standard USB Video Class device. Do you >>>>> have the uvcvideo module loaded? Then have a look at your dmesg output >>>>> to see why it isn't working. >>>> >>>> my problem is: >>>> >>>> [ 2578.903972] uvcvideo: Found UVC 1.00 device Integrated Camera >>>> (04f2:b1b4) [ 2578.905121] input: Integrated Camera as >>>> /devices/pci0000:00/0000:00:13.2/usb2/2-2/2-2:1.0/input/input10 >>>> [ 2578.905224] usbcore: registered new interface driver uvcvideo >>>> [ 2578.905228] USB Video Class driver (v0.1.0) >>>> >>>> It is indeed registred as video device, however, everytime i use some >>>> program (i tried cheese) to use /dev/video0 I get the following: >>>> >>>> [ 2741.757993] uvcvideo: Failed to query (130) UVC control 5 (unit 3) : >>>> -32 (exp. 1). >>> >>> Could you please send me the output of >>> >>> lsusb -v -d 04f2:b1b4 >> >> Bus 002 Device 003: ID 04f2:b1b4 Chicony Electronics Co., Ltd > > [snip] > > Thanks. You're the second one in a few weeks to report a bug that has been > there for years. Could you please try the following patch ? It should end up > in the mainline kernel in 2.6.36 (2.6.35 might be possible, depending on when > Mauro comes back from holidays). > > http://git.linuxtv.org/v4l- > dvb.git?a=commitdiff;h=9c3b10b53875279306d8464fe9b24fa634329fc8;hp=f06b9bd4c62ef93f9467a1432acf2efa84aa3456 I've been looking at this issue as well, and have already seen the patch you mentioned: https://patchwork.kernel.org/patch/110187/ However, this problem didn't change anything - same error. If it helps, I can provide you with an SSH session if this helps, so you could investigate the problem directly. - mike