Fred,
I do not own a HP Elite Dragonfly  13.5 inch G3 Notebook PC so I did not
get the webcam to work. My testing was done on a HP Elitebook 840 G3.
Linux Certified Hardware Links
https://ubuntu.com/certified/laptops?q=&limit=20&vendor=HP
https://catalog.redhat.com/hardware/search?type=Laptop&p=1&partnerName=HP%20Inc.|Hewlett-Packard



On Fri, Apr 21, 2023 at 2:21 AM Fred J <email address hidden> wrote:

> Hi,
> I have tried much of that... Bios updated too.
> There is no /dev/video0 says v4l2
> Can you confirm you managed to make camera work on HP Elite Dragonfly 13.5
> inch G3 Notebook PC (4J044AV) ?
> They say here (https://www.linuxnow.com.au) that they can ship it with
> ubuntu installed...
>
> Best,
> -Fred
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1943752
>
> Title:
>   cheese does not work with laptop webcam in Ubuntu 21.10+
>
> Status in cheese package in Ubuntu:
>   Confirmed
>
> Bug description:
>   Ubuntu 21.10 from live usb on a HP 840 G3 laptop
>   1.Ubuntu Impish Indri (development branch)
>   2.cheese version installed: 3.38.0-4, candidate: 3.38.0-4
>   version table:***3.38.0-4 500
>   3.cheese should display an image from laptop camera after being opened.
>   4.The error has reproduced by me on this hardware at least 4 times.
>   When opening the cheese app no image is displayed until closing and
> reopening the app at least 3 times. The cheese app works as expected in
> both Ubuntu 18.04 and Ubuntu 20.04.
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 21.10
>   Package: cheese 3.38.0-4
>   ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
>   Uname: Linux 5.13.0-14-generic x86_64
>   NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
>   ApportVersion: 2.20.11-0ubuntu68
>   Architecture: amd64
>   CasperMD5CheckResult: pass
>   CasperVersion: 1.465
>   CurrentDesktop: ubuntu:GNOME
>   Date: Wed Sep 15 17:10:23 2021
>   LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210915)
>   MachineType: HP HP EliteBook 840 G3
>   ProcEnviron:
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   RelatedPackageVersions:
>    cheese        3.38.0-4
>    cheese-common 3.38.0-4
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 04/20/2021
>   dmi.bios.release: 1.52
>   dmi.bios.vendor: HP
>   dmi.bios.version: N75 Ver. 01.52
>   dmi.board.name: 8079
>   dmi.board.vendor: HP
>   dmi.board.version: KBC Version 85.79
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: HP
>   dmi.ec.firmware.release: 133.121
>   dmi.modalias:
> dmi:bvnHP:bvrN75Ver.01.52:bd04/20/2021:br1.52:efr133.121:svnHP:pnHPEliteBook840G3:pvr:sku2FZ00UP#ABA:rvnHP:rn8079:rvrKBCVersion85.79:cvnHP:ct10:cvr:
>   dmi.product.family: 103C_5336AN HP EliteBook
>   dmi.product.name: HP EliteBook 840 G3
>   dmi.product.sku: 2FZ00UP#ABA
>   dmi.sys.vendor: HP
>   lsusb:
>    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>    Bus 001 Device 004: ID 04f2:b51c Chicony Electronics Co., Ltd HP HD
> Camera
>    Bus 001 Device 003: ID 138a:003f Validity Sensors, Inc. VFS495
> Fingerprint Reader
>    Bus 001 Device 002: ID 154b:0054 PNY USB 2.0 FD
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   ---
>   ProblemType: Bug
>   ApportVersion: 2.20.11-0ubuntu68
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  ubuntu     5074 F.... pulseaudio
>   CasperMD5CheckResult: pass
>   CasperVersion: 1.465
>   CurrentDesktop: ubuntu:GNOME
>   DistroRelease: Ubuntu 21.10
>   LiveMediaBuild: Ubuntu 21.10 "Impish Indri" - Alpha amd64 (20210915)
>   Lsusb:
>    Bus 002 Device 002: ID 0781:5581 SanDisk Corp. Ultra
>    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
>    Bus 001 Device 003: ID 04f2:b51c Chicony Electronics Co., Ltd HP HD
> Camera
>    Bus 001 Device 002: ID 138a:003f Validity Sensors, Inc. VFS495
> Fingerprint Reader
>    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>   MachineType: HP HP EliteBook 840 G3
>   NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
>   Package: linux (not installed)
>   ProcEnviron:
>    TERM=xterm-256color
>    PATH=(custom, no user)
>    XDG_RUNTIME_DIR=<set>
>    LANG=en_US.UTF-8
>    SHELL=/bin/bash
>   ProcFB: 0 i915drmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz
> file=/cdrom/preseed/username.seed maybe-ubiquity quiet splash ---
>   ProcVersionSignature: Ubuntu 5.13.0-14.14-generic 5.13.1
>   RelatedPackageVersions:
>    linux-restricted-modules-5.13.0-14-generic N/A
>    linux-backports-modules-5.13.0-14-generic  N/A
>    linux-firmware                             1.199
>   RfKill:
>    0: phy0: Wireless LAN
>     Soft blocked: no
>     Hard blocked: no
>   Tags:  impish
>   Uname: Linux 5.13.0-14-generic x86_64
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
>   _MarkForUpload: True
>   dmi.bios.date: 04/20/2021
>   dmi.bios.release: 1.52
>   dmi.bios.vendor: HP
>   dmi.bios.version: N75 Ver. 01.52
>   dmi.board.name: 8079
>   dmi.board.vendor: HP
>   dmi.board.version: KBC Version 85.79
>   dmi.chassis.type: 10
>   dmi.chassis.vendor: HP
>   dmi.ec.firmware.release: 133.121
>   dmi.modalias:
> dmi:bvnHP:bvrN75Ver.01.52:bd04/20/2021:br1.52:efr133.121:svnHP:pnHPEliteBook840G3:pvr:sku2FZ00UP#ABA:rvnHP:rn8079:rvrKBCVersion85.79:cvnHP:ct10:cvr:
>   dmi.product.family: 103C_5336AN HP EliteBook
>   dmi.product.name: HP EliteBook 840 G3
>   dmi.product.sku: 2FZ00UP#ABA
>   dmi.sys.vendor: HP
>
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>
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>
>