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
/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
v4l-utils-1.20.0-1.fc33.x86_64
John Westerdale
Sr Container Consultant RHCSA-8.2
Red Hat NYC Office/WFH
M: 201-376-9993 IM: jwesterd He / Him / His
Envision the future, tolerate the present
I respect your Life-Work balance.
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 <rogerheflin@xxxxxxxxx> 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 <pdupre@xxxxxxx> 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: pdupre@xxxxxxx
> 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" <pdupre@xxxxxxx>
> > To: "fedora" <users@xxxxxxxxxxxxxxxxxxxxxxx>
> > 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: pdupre@xxxxxxx
> > 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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