Hello You-Sheng, or anyone else affected,

Accepted usbio-drivers into noble-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/usbio-
drivers/0~git202312141918.78ffb706-0ubuntu2.1 in a few hours, and then
in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, what testing has been
performed on the package and change the tag from verification-needed-
noble to verification-done-noble. If it does not fix the bug for you,
please add a comment stating that, and change the tag to verification-
failed-noble. In either case, without details of your testing we will
not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

** Changed in: usbio-drivers (Ubuntu Noble)
       Status: Incomplete => Fix Committed

** Tags removed: verification-done verification-done-noble
** Tags added: verification-needed verification-needed-noble

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https://bugs.launchpad.net/bugs/2060101

Title:
  Enable OV08X40 camera sensor for Intel MTL IPU6 MIPI Camera

Status in HWE Next:
  New
Status in ipu6-drivers package in Ubuntu:
  Fix Released
Status in linux package in Ubuntu:
  Triaged
Status in linux-oem-6.10 package in Ubuntu:
  Invalid
Status in linux-oem-6.5 package in Ubuntu:
  Invalid
Status in linux-oem-6.8 package in Ubuntu:
  Invalid
Status in usbio-drivers package in Ubuntu:
  Fix Released
Status in ipu6-drivers source package in Jammy:
  Won't Fix
Status in linux source package in Jammy:
  Invalid
Status in linux-oem-6.10 source package in Jammy:
  Invalid
Status in linux-oem-6.5 source package in Jammy:
  Fix Released
Status in linux-oem-6.8 source package in Jammy:
  Invalid
Status in usbio-drivers source package in Jammy:
  Invalid
Status in ipu6-drivers source package in Noble:
  Fix Released
Status in linux source package in Noble:
  In Progress
Status in linux-oem-6.10 source package in Noble:
  Fix Released
Status in linux-oem-6.5 source package in Noble:
  Invalid
Status in linux-oem-6.8 source package in Noble:
  Fix Released
Status in usbio-drivers source package in Noble:
  Fix Committed
Status in ipu6-drivers source package in Oracular:
  Fix Released
Status in linux source package in Oracular:
  Triaged
Status in linux-oem-6.10 source package in Oracular:
  Invalid
Status in linux-oem-6.5 source package in Oracular:
  Invalid
Status in linux-oem-6.8 source package in Oracular:
  Invalid
Status in usbio-drivers source package in Oracular:
  Fix Released

Bug description:
  [SRU Justification]

  [Impact]

  Outdated ACPI ID used in previous revisions, and the production one is
  finally supported in a recent upstream WW3224-USBIO-PV-HFIX1 release.

  [Fix]

  https://github.com/intel/usbio-
  drivers/commit/fc527affa4654468cdb63f8803eacd1a71b02017

  [Test Case]

  Install the built dkms binary package on a noble system with GA kernel
  headers. The dkms build should be triggered and complete successfully,
  and the devices with BIOS of 69W or a newer version should work as
  usual.

  [Where problems could occur]

  It appears the i2c protocol meant to be governed by this usbio is not
  in well control by the upstream collaborative peers, such that we fell
  into various problems due the the mismatch of firmware version, and
  therefore some ugly patch from Intel was added to work-around that.
  While we don't have too much details about the design and the
  solution, all we can do is to deploy extensive tests as possible.

  [Other Info]

  While linux-hwe-6.8 uses usbio-drivers/noble, the nominated candidates
  are Oracular and Noble.

  ========== kernel SRU ==========

  [Impact]

  ov08x40 camera sensor is not working on IPU6 platforms.

  [Fix]

  A few changes from upstream kernel as well as a not yet upstreamed patch in 
the Intel ipu6-drivers GitHub repo.
  * commit b1a42fde ("media: ov08x40: Avoid sensor probing in D0 state")
  * commit eea8f730 ("media: ov08x40: Modify the tline calculation in different 
modes")
  * 
https://github.com/intel/ipu6-drivers/blob/Release_20240624/patch/v6.8/0001-media-ov08x40-Add-Tline-calculation-and-handshake-pi.patch

  [Test Case]

  The proposed kernel should have been built along with the updated
  ipu6-drivers dkms. To verify ipu6-drivers alone, one will need
  experimental kernels from https://launchpad.net/~canonical-hwe-
  team/+archive/ubuntu/intermediate-kernel.

  Here are steps for verifying kernels from -proposed pocket:

  1. test camera after rebooting into a proposed kernel,
  2. run suspend/resume stress test plan.
  3. verify camera still working

  [Where problems could occur]

  These fixes are quite limited to ipu6/ivsc platforms, and affected no
  power-consumption or other noticible problem.

  [Other Info]

  The fixing commits/patches were meant for in-tree driver, but yet it
  changes device power up sequence and may affect platforms not
  interested in IPU6 enablement. It is then duplicated into ipu6-drivers
  dkms to avoid any unexpected side effect.

  While some of the fixes are still under upstream review, meaning
  they're not yet available in any kernel release, linux-
  unstable/oracular/noble and oem-6.8/6.1x will be nominated for a
  rebuild against new dkms.

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