Here is a traditional favorite for enumerating Video devices:

[jwesterd@jwesterd-f33 Citrix]$ v4l2-ctl --list-devices
Live! Cam Sync 1080p: Live! Cam (usb-0000:00:14.0-2.4):
/dev/video2
/dev/video3

Integrated Camera: Integrated C (usb-0000:00:14.0-8):
/dev/video0
/dev/video1

[jwesterd@jwesterd-f33]$ rpm -qf /usr/bin/v4l2-ctl
v4l-utils-1.20.0-1.fc33.x86_64


John Westerdale

Sr Container Consultant * RHCSA-8.2*

Red Hat <https://www.redhat.com/> NYC Office/WFH

john.westerd...@redhat.com

M: 201-376-9993     IM: jwesterd   He / Him / His

Envision the future, tolerate the present
<https://www.redhat.com/>

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No need to respond immediately if you receive this outside your normal
working hours.


On Wed, Nov 24, 2021 at 3:09 PM Roger Heflin <rogerhef...@gmail.com> wrote:

> I don't see a camera in lsusb.
>
> So bad usb cable, bad usb socket, bad usb camera, or kernel issue
> causing the driver to not allocate memory (or some other resource) and
> finish loading.
>
> On Wed, Nov 24, 2021 at 1:34 PM Patrick Dupre <pdu...@gmx.com> wrote:
> >
> > Here is reg output of hwinfo |grep cam
> >
> >  E: KEYBOARD_KEY_ee=camera
> >
> > lspci
> > 00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th
> Gen Core Processor Host Bridge/DRAM Registers (rev 07)
> > 00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe
> Controller (x16) (rev 07)
> > 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 530
> (rev 06)
> > 00:14.0 USB controller: Intel Corporation 100 Series/C230 Series Chipset
> Family USB 3.0 xHCI Controller (rev 31)
> > 00:14.2 Signal processing controller: Intel Corporation 100 Series/C230
> Series Chipset Family Thermal Subsystem (rev 31)
> > 00:16.0 Communication controller: Intel Corporation 100 Series/C230
> Series Chipset Family MEI Controller #1 (rev 31)
> > 00:17.0 SATA controller: Intel Corporation HM170/QM170 Chipset SATA
> Controller [AHCI Mode] (rev 31)
> > 00:1c.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset
> Family PCI Express Root Port #1 (rev f1)
> > 00:1c.3 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset
> Family PCI Express Root Port #4 (rev f1)
> > 00:1c.4 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset
> Family PCI Express Root Port #5 (rev f1)
> > 00:1f.0 ISA bridge: Intel Corporation HM170 Chipset LPC/eSPI Controller
> (rev 31)
> > 00:1f.2 Memory controller: Intel Corporation 100 Series/C230 Series
> Chipset Family Power Management Controller (rev 31)
> > 00:1f.3 Audio device: Intel Corporation 100 Series/C230 Series Chipset
> Family HD Audio Controller (rev 31)
> > 00:1f.4 SMBus: Intel Corporation 100 Series/C230 Series Chipset Family
> SMBus (rev 31)
> > 01:00.0 3D controller: NVIDIA Corporation GM107M [GeForce GTX 960M] (rev
> a2)
> > 02:00.0 Network controller: Intel Corporation Wireless 3165 (rev 81)
> > 03:00.0 Ethernet controller: Qualcomm Atheros Killer E2400 Gigabit
> Ethernet Controller (rev 10)
> > 04:00.0 USB controller: ASMedia Technology Inc. ASM1142 USB 3.1 Host
> Controller
> >
> > susb
> > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> > Bus 001 Device 003: ID 30fa:0300  USB OPTICAL MOUSE
> > Bus 001 Device 002: ID 1770:ff00 MSI steel series rgb keyboard
> > Bus 001 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129
> Card Reader Controller
> > Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bluetooth wireless interface
> > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> >
> >
> >
> ===========================================================================
> >  Patrick DUPRÉ                                 | | email: pdu...@gmx.com
> >  Laboratoire interdisciplinaire Carnot de Bourgogne
> >  9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
> >  Tel: +33 (0)380395988                    | | Room# D114A
> >
> ===========================================================================
> >
> >
> > > Sent: Wednesday, November 24, 2021 at 9:10 PM
> > > From: "Patrick Dupre" <pdu...@gmx.com>
> > > To: "fedora" <users@lists.fedoraproject.org>
> > > Subject: webcam
> > >
> > > Hello,
> > >
> > > I am trying to have my camera working on my laptop
> > > The driver seem OK
> > > but cheese says "no device found"
> > >
> > > What am I missing?
> > >
> > > lsmod|grep video
> > > uvcvideo              122880  0
> > > videobuf2_vmalloc      20480  1 uvcvideo
> > > videobuf2_memops       20480  1 videobuf2_vmalloc
> > > videobuf2_v4l2         36864  1 uvcvideo
> > > videobuf2_common       69632  4
> videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
> > > videodev              270336  3
> videobuf2_v4l2,uvcvideo,videobuf2_common
> > > mc                     65536  4
> videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
> > > video                  57344  3 msi_wmi,i915,nouveau
> > >
> > >
> ===========================================================================
> > >  Patrick DUPRÉ                                 | | email:
> pdu...@gmx.com
> > >  Laboratoire interdisciplinaire Carnot de Bourgogne
> > >  9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
> > >  Tel: +33 (0)380395988                    | | Room# D114A
> > >
> ===========================================================================
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