kernel-packages team mailing list archive

[Shawn Wang <shawn.wang@xxxxxxxxxxxxx>]

** Patch added: "0002-usb-xhci-add-USB2-Link-power-management-BESL-support.patch"
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1229576/+attachment/3850583/+files/0002-usb-xhci-add-USB2-Link-power-management-BESL-support.patch

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https://bugs.launchpad.net/bugs/1229576

Title:
  Webcam preview have half image display and black screen in some
  resolutions

Status in HWE Next Project:
  Confirmed
Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Dell System Inspiron 14 7000 Series 7437

  CPU: Intel(R) Core(TM) i7-4500U CPU @ 1.80GHz (4x)
  GPU: 00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)
  BiosVersion: X21

  HA4-E3-C1 Primax (0bda:5601 , 50-77501WNC8)
  HA7-E3-C2 Liteon (0bda:5750, _13P2SF109)

  Both of the modules use realtek chipset.

  In the 1280x720 resolution only have half image displayed camera
  preview and still image; in 960x540 resolution camera preview
  displayed with full black but camera LED is enabled.

  Furthermore, camera test "multiple-resolution-images" also failed.
  When testing by manually take still images in different resolution, camera will hangs when switch to another resolution.

  Steps:
  1. install manifest X08 and boot into OS
  2. Run camera test "multiple-resolution-images" which takes multiple pictures based on the resolution supported by the camera and validates their sizze and that they are of a valid format.

  Expected results: Test got passed with multiple images successfully
  taked in each resolution.

  Actual results: Can't take still image in each resolution.

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