Public bug reported:
The Chicony Electronics Camera (as built into for example Lenovo T420s)
stopped working somewhere between kernel 3.2 and 3.13.
I use both kernels in Ubuntu 12.04, and the camera works with the older
one, so I filed the bug here as I don't know when it stopped working.
The camera is still recognized by v4l2, properties can be accessed by
v4l2-ctl for example, and seemed correctly reported back (pixelformats
for exmaple match my expectation). But the frame capturing intself will
always fail with 'device busy'.
Usb IDs:
04f2:b221 Chicony Electronics Co., Ltd integrated camera
What further information would be useful?
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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https://bugs.launchpad.net/bugs/1422680
Title:
v4l2 regression: T420s built in camera stopped working
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