linux-kernel - Re: uvcvideo: Unknown video format,00000032-0002-0010-8000-00aa00389b71

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Message-ID: <2b332247-72f6-d9ad-306d-d900759ea5a8@molgen.mpg.de>
Date:   Tue, 20 Mar 2018 17:46:24 +0100
From:   Paul Menzel <pmenzel+linux-media@...gen.mpg.de>
To:     Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        it+linux-media@...gen.mpg.de,
        Mario Limonciello <mario.limonciello@...l.com>
Subject: Re: uvcvideo: Unknown video
 format,00000032-0002-0010-8000-00aa00389b71

Dear Laurent,


On 03/20/18 14:30, Laurent Pinchart wrote:

> On Tuesday, 20 March 2018 14:20:14 EET Paul Menzel wrote:

>> On the Dell XPS 13 9370, Linux 4.16-rc6 outputs the messages below.
>>
>> ```

[…]

>> [    2.340736] input: Integrated_Webcam_HD: Integrate as
>> /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5:1.0/input/input9
>> [    2.341447] uvcvideo: Unknown video format
>> 00000032-0002-0010-8000-00aa00389b71 >> [    2.341450] uvcvideo: Found UVC 1.00 device Integrated_Webcam_HD
>> (0bda:58f4)

[…]

>> ```
>>
>> Please tell me, what I can do to improve the situation.
> 
> Some vendors routinely implement new formats without bothering to send a patch
> for the uvcvideo driver. It would be easy to do so, but it requires knowing
> which format is meant by the GUID. Most format GUIDs are of the form
> 32595559-0000-0010-8000-00aa00389b71 that starts with a 4CC, but that's not
> the case here.

I am adding Mario to the receiver list, though he is currently on vacation.

> Could you send me the output of
> 
> lsusb -v -d 0bda:58f4
> 
> running as root if possible ?

Sure, please find it attached.


Kind regards,

Paul

View attachment "lsusb-v-d-0bda58f4.txt" of type "text/plain" (34078 bytes)