Dear Kai-Heng
  thank you vefry much for your contribution. I do have a webcam version
15.0
  I (think I) installed your .deb and rebooted and this is what I see in
the journal:
apr 16 15:18:39 ox kernel: Linux video capture interface: v2.00
apr 16 15:18:39 ox kernel: usbcore: registered new interface driver btusb
apr 16 15:18:39 ox kernel: uvcvideo: Found UVC 1.50 device
Integrated_Webcam_HD (0bda:58f4)
apr 16 15:18:39 ox kernel: uvcvideo: UVC non compliance - GET_DEF(PROBE)
not supported. Enabling workaround.
apr 16 15:18:39 ox kernel: uvcvideo: Failed to query (129) UVC probe
control : -75 (exp. 34).
apr 16 15:18:39 ox kernel: uvcvideo: Failed to initialize the device (-5).
apr 16 15:18:39 ox kernel: uvcvideo: Unknown video format
00000032-0002-0010-8000-00aa00389b71
apr 16 15:18:39 ox kernel: uvcvideo: Found UVC 1.50 device
Integrated_Webcam_HD (0bda:58f4)
apr 16 15:18:39 ox kernel: uvcvideo: UVC non compliance - GET_DEF(PROBE)
not supported. Enabling workaround.
apr 16 15:18:39 ox kernel: uvcvideo: Failed to query (129) UVC probe
control : -75 (exp. 34).
apr 16 15:18:39 ox kernel: uvcvideo: Failed to initialize the device (-5).
apr 16 15:18:39 ox kernel: usbcore: registered new interface driver uvcvideo
apr 16 15:18:39 ox kernel: USB Video Class driver (1.1.1)
   It looks (to me) that the version 1.50 is still detected by the kernel.
Two questions:
   a) how can I make sure I am running your version (the uname -r is the
same...)
   b) is there any other output you would like to see?

  P.S. needless to say the webcam is not working ATM :-)

Thanks
Stefano

2018-04-17 9:04 GMT+02:00 Kai-Heng Feng <kai.heng.f...@canonical.com>:

> Please try this kernel,
> https://people.canonical.com/~khfeng/lp1763748/
>
> I made an ugly workaround to keep the UVC version at 1.0. Let's see if
> this work.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1763748
>
> Title:
>   Integrated Webcam Realtek Integrated_Webcam_HD (0bda:58f4) not working
>   in DELL XPS 13 9370 with firmware 1.50
>
> Status in Dell Sputnik:
>   New
> Status in linux package in Ubuntu:
>   Confirmed
>
> Bug description:
>   The webcam is detected by the system, but no applications detect it.
>
>   sudo lsusb -v: (relevant part)
>   Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp.
>   Device Descriptor:
>     bLength                18
>     bDescriptorType         1
>     bcdUSB               2.01
>     bDeviceClass          239 Miscellaneous Device
>     bDeviceSubClass         2 ?
>     bDeviceProtocol         1 Interface Association
>     bMaxPacketSize0        64
>     idVendor           0x0bda Realtek Semiconductor Corp.
>     idProduct          0x58f4
>     bcdDevice           72.79
>     iManufacturer           3 CN0FFMHCLOG0081SB0M1A01
>     iProduct                1 Integrated_Webcam_HD
>     iSerial                 2 200901010001
>
>   In syslog (firmware can be seen in first line - 1.50):
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.126546] uvcvideo: Found UVC
> 1.50 device Integrated_Webcam_HD (0bda:58f4)
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.126908] usbcore: registered
> new interface driver btusb
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127128] uvcvideo: UVC non
> compliance - GET_DEF(PROBE) not supported. Enabling workaround.
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127462] uvcvideo: Failed to
> query (129) UVC probe control : -75 (exp. 34).
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127464] uvcvideo: Failed to
> initialize the device (-5).
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.128061] uvcvideo: Unknown
> video format 00000032-0002-0010-8000-00aa00389b71
>   Apr 13 12:36:25 XPS-13-9370 kernel: [    2.128065] uvcvideo: Found UVC
> 1.50 device Integrated_Webcam_HD (0bda:58f4)
>
>   ProblemType: Bug
>   DistroRelease: Ubuntu 18.04
>   Package: linux-image-4.15.0-13-generic 4.15.0-13.14 [modified:
> boot/vmlinuz-4.15.0-13-generic]
>   ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
>   Uname: Linux 4.15.0-13-generic x86_64
>   ApportVersion: 2.20.9-0ubuntu4
>   Architecture: amd64
>   AudioDevicesInUse:
>    USER        PID ACCESS COMMAND
>    /dev/snd/controlC0:  wgarcia    2145 F.... pulseaudio
>   CurrentDesktop: Unity:Unity7:ubuntu
>   Date: Fri Apr 13 16:59:02 2018
>   HibernationDevice: RESUME=UUID=a6f64150-e0a5-4c6b-9097-b8f98b14bdcc
>   InstallationDate: Installed on 2018-04-09 (4 days ago)
>   InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64
> (20180408)
>   MachineType: Dell Inc. XPS 13 9370
>   ProcFB: 0 inteldrmfb
>   ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed
> root=UUID=226e4127-5c15-4a18-8062-74ba83b57515 ro quiet splash
> vt.handoff=1
>   RelatedPackageVersions:
>    linux-restricted-modules-4.15.0-13-generic N/A
>    linux-backports-modules-4.15.0-13-generic  N/A
>    linux-firmware                             1.173
>   SourcePackage: linux
>   UpgradeStatus: No upgrade log present (probably fresh install)
>   dmi.bios.date: 02/21/2018
>   dmi.bios.vendor: Dell Inc.
>   dmi.bios.version: 1.2.1
>   dmi.board.name: 0F6P3V
>   dmi.board.vendor: Dell Inc.
>   dmi.board.version: A00
>   dmi.chassis.type: 9
>   dmi.chassis.vendor: Dell Inc.
>   dmi.modalias: dmi:bvnDellInc.:bvr1.2.1:bd02/21/2018:svnDellInc.:
> pnXPS139370:pvr:rvnDellInc.:rn0F6P3V:rvrA00:cvnDellInc.:ct9:cvr:
>   dmi.product.family: XPS
>   dmi.product.name: XPS 13 9370
>   dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/dell-sputnik/+bug/1763748/+subscriptions
>

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https://bugs.launchpad.net/bugs/1763748

Title:
  Integrated Webcam Realtek Integrated_Webcam_HD (0bda:58f4) not working
  in DELL XPS 13 9370 with firmware 1.50

Status in Dell Sputnik:
  New
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  The webcam is detected by the system, but no applications detect it.

  sudo lsusb -v: (relevant part)
  Bus 001 Device 002: ID 0bda:58f4 Realtek Semiconductor Corp.
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               2.01
    bDeviceClass          239 Miscellaneous Device
    bDeviceSubClass         2 ?
    bDeviceProtocol         1 Interface Association
    bMaxPacketSize0        64
    idVendor           0x0bda Realtek Semiconductor Corp.
    idProduct          0x58f4
    bcdDevice           72.79
    iManufacturer           3 CN0FFMHCLOG0081SB0M1A01
    iProduct                1 Integrated_Webcam_HD
    iSerial                 2 200901010001

  In syslog (firmware can be seen in first line - 1.50):
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.126546] uvcvideo: Found UVC 1.50 
device Integrated_Webcam_HD (0bda:58f4)
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.126908] usbcore: registered new 
interface driver btusb
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127128] uvcvideo: UVC non 
compliance - GET_DEF(PROBE) not supported. Enabling workaround.
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127462] uvcvideo: Failed to query 
(129) UVC probe control : -75 (exp. 34).
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.127464] uvcvideo: Failed to 
initialize the device (-5).
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.128061] uvcvideo: Unknown video 
format 00000032-0002-0010-8000-00aa00389b71
  Apr 13 12:36:25 XPS-13-9370 kernel: [    2.128065] uvcvideo: Found UVC 1.50 
device Integrated_Webcam_HD (0bda:58f4)

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: linux-image-4.15.0-13-generic 4.15.0-13.14 [modified: 
boot/vmlinuz-4.15.0-13-generic]
  ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10
  Uname: Linux 4.15.0-13-generic x86_64
  ApportVersion: 2.20.9-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  wgarcia    2145 F.... pulseaudio
  CurrentDesktop: Unity:Unity7:ubuntu
  Date: Fri Apr 13 16:59:02 2018
  HibernationDevice: RESUME=UUID=a6f64150-e0a5-4c6b-9097-b8f98b14bdcc
  InstallationDate: Installed on 2018-04-09 (4 days ago)
  InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180408)
  MachineType: Dell Inc. XPS 13 9370
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-13-generic.efi.signed 
root=UUID=226e4127-5c15-4a18-8062-74ba83b57515 ro quiet splash vt.handoff=1
  RelatedPackageVersions:
   linux-restricted-modules-4.15.0-13-generic N/A
   linux-backports-modules-4.15.0-13-generic  N/A
   linux-firmware                             1.173
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/21/2018
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.1
  dmi.board.name: 0F6P3V
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.2.1:bd02/21/2018:svnDellInc.:pnXPS139370:pvr:rvnDellInc.:rn0F6P3V:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.family: XPS
  dmi.product.name: XPS 13 9370
  dmi.sys.vendor: Dell Inc.

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