Hi Michael, On Saturday 17 July 2010 17:18:27 Michael Kromer wrote: > Am 17.07.2010 17:00, schrieb Laurent Pinchart: > > 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=f06b9b > > d4c62ef93f9467a1432acf2efa84aa3456 > > 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.
Are you 100% sure that you've loaded the patched driver ? Try modifying DRIVER_DESC at the beginning of uvc_driver.c and check the kernel log with dmesg to make sure the correct driver is loaded. -- Regards, Laurent Pinchart -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
