Public bug reported:

[Impact]
Lenovo(Z13/Z16) advertises an orientation sensor connected to SFH.
But actually it's not there.

[Fix]
Read reg of sensor discovery.

[Test]
Verified on hardware, it show failure and driver returned.

[Where problems could occur]
Low risk, it may break AMD SFH driver.

** Affects: hwe-next
     Importance: Undecided
     Assignee: AaronMa (mapengyu)
         Status: New

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete

** Affects: linux-oem-5.14 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-oem-5.17 (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: linux-oem-5.14 (Ubuntu Focal)
     Importance: Undecided
         Status: New

** Affects: linux (Ubuntu Jammy)
     Importance: Undecided
         Status: New

** Affects: linux-oem-5.17 (Ubuntu Jammy)
     Importance: Undecided
         Status: New


** Tags: amd oem-priority originate-from-1973144

** Also affects: linux-oem-5.14 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.17 (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.17 (Ubuntu Focal)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.14 (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** Also affects: linux-oem-5.17 (Ubuntu Jammy)
   Importance: Undecided
       Status: New

** No longer affects: linux (Ubuntu Focal)

** No longer affects: linux-oem-5.14 (Ubuntu Jammy)

** No longer affects: linux-oem-5.17 (Ubuntu Focal)

** Tags added: amd oem-priority originate-from-1973144

** Changed in: hwe-next
     Assignee: (unassigned) => AaronMa (mapengyu)

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https://bugs.launchpad.net/bugs/1975798

Title:
  [SRU][OEM-5.14/OEM-5.17/J][PATCH 0/1] Read the discovery registers for
  AMD_SFH

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