** Tags added: fixed-linux-oem-6.5

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https://bugs.launchpad.net/bugs/1989046

Title:
  support independent clock and LED GPIOs for Intel IPU6 platforms

Status in HWE Next:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in linux-oem-5.17 package in Ubuntu:
  Invalid
Status in linux-oem-6.0 package in Ubuntu:
  Invalid
Status in linux source package in Jammy:
  Won't Fix
Status in linux-oem-5.17 source package in Jammy:
  Fix Released
Status in linux-oem-6.0 source package in Jammy:
  Fix Released
Status in linux source package in Kinetic:
  Fix Released
Status in linux-oem-5.17 source package in Kinetic:
  Invalid
Status in linux-oem-6.0 source package in Kinetic:
  Invalid

Bug description:
  [SRU Justification]

  [Impact]

  When migrated from power_ctrl_logic driver to int3472, two additional
  independent CLK/LED GPIOs other than powerdown/reset must be probed
  exceptionally.

  [Fix]

  Vendor provided patch in
  
https://github.com/intel/ipu6-drivers/blob/2b8a592dc63e117d8f5af5f32a10d7e0651832d2/patch/int3472-support-independent-clock-and-LED-gpios-5.17+.patch.

  [Test Case]

  Tested on both TGL/ADL platforms against nominated kernels.

  [Where problems could occur]

  This adds exceptional cases with fallbacks to the original function. No
  one else is affected.

  [Other Info]

  This is an essential part for switching from power_ctrl_logic based GPIO
  control mechanism to the generic, upstreamed int3472 driver. Affects all
  IPU6 platforms that are to run new IPU6 driver dump in 202208.

  ========== original bug report ==========

  Per
  
https://github.com/intel/ipu6-drivers/commit/f771bd3cb9f324a393a75e068a039bd1f9611026
  and
  
https://github.com/intel/ipu6-drivers/commit/2b8a592dc63e117d8f5af5f32a10d7e0651832d2,
  additional fix for INT3472 is necessary to probe camera sensor GPIOs
  on Intel IPU6 platforms.

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