@andres: on my L502x laptop, guvcview does recognise the camera - the
output shows something like this:
...
jack server is not running or cannot be started
video device: /dev/video0
Init. Laptop_Integrated_Webcam_2HDM (location: usb-0000:00:1a.0-1.4)
{ pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
... lots of information about formats is displayed here...
vid:0408
pid:2fb1
driver:uvcvideo
checking format: 1448695129
fps is set to 1/30
drawing controls
...
Whether it works definitely is kernel-dependent, though. It works just
with 3.15.7 (there are a couple of 'resource temporarily unavailable
messages at the start, then it works), but 3.16-rc7 keeps compaining
about the device being unavailable or the buffer being empty and I just
get a black screen, even though the white LED comes on to show the
camera is being used. The stock 3.13 kernel works for me (at least it
did when I tried it in a VirtualBox VM: it missed a lot of frames but
did display a picture). Even thought guvcview doesn't work with kernel
3.16, motion and Skype both do. Odd.
Cheese still doesn't work with any kernel, which is disappointing.
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https://bugs.launchpad.net/bugs/1268359
Title:
Dell XPS 15 Built-In Webcam: cheese does not display any image
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