** Also affects: hwe-next
Importance: Undecided
Status: New
** Changed in: hwe-next
Status: New => Fix Committed
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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 Committed
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 Committed
Status in linux-oem-6.0 source package in Jammy:
Fix Committed
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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