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[Anthony Wong <anthony.wong@xxxxxxxxxx>]

** Changed in: hwe-next
       Status: New => Fix Released

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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 HWE Next:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in linux-oem source package in Xenial:
  Fix Released
Status in linux source package in Artful:
  Fix Released
Status in linux-oem source package in Artful:
  Invalid
Status in linux source package in Bionic:
  Fix Released
Status in linux-oem source package in Bionic:
  Fix Released

Bug description:
  ===SRU Justification===
  [Impact]
  UVC1.5 Realtek webcam on XPS 9370 does not work.

  [Test]
  Both the bug reporter and I can confirm the patch from Realtek works.

  [Fix]
  Use correct version control length for UVC1.5.

  [Regression Potential]
  Low. This only affects UVC1.5 webcams, which is quite rare in the wild.

  ===Original Bug Report===
  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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