[arch-general] Kernel 4.16 - two entries in /dev/video for one webcam

[Marc Ranolfi]

Forgot to mention, this is only an issue with Skype. In both guvcview and
firefox, the webcam just works.

On Sat, Apr 21, 2018 at 9:19 PM, Marc Ranolfi <marc.2377 at gmail.com> wrote:

> Hi,
>
> I use skypeforlinux-stable-bin-8.18.0.6-1 and an USB webcam.
>
> Upon updating to the 4.16 series kernel, I noticed my webcam was not
> working in Skype, but instead a black screen was shown.
>
> Then, after checking 'ls -ltrh /dev/video*' I found these:
>
> crw-rw----+ 1 root video 81, 1 Apr 21 21:11 /dev/video1
> crw-rw----+ 1 root video 81, 0 Apr 21 21:11 /dev/video0
>
> This suggested that a "second" device was being detected. I launched Skype
> again and found it was possible to actually change the input video device
> to this, and it worked.
>
>
> Any clues on why the new kernel is creating two video devices for one
> hardware?
>