[Bug 220926] New: HP ENVY 16-h1xxx (Hayden): hp_wmi platform_profile fails to read/write

[Bug 220926] New: HP ENVY 16-h1xxx (Hayden): hp_wmi platform_profile fails to read/write

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=220926

            Bug ID: 220926
           Summary: HP ENVY 16-h1xxx (Hayden): hp_wmi platform_profile
                    fails to read/write
           Product: Drivers
           Version: 2.5
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Platform_x86
          Assignee: drivers_platform_x86@kernel-bugs.osdl.org
          Reporter: andreslopez.23061@gmail.com
        Regression: No

Platform profile interface exposed but non-functional on HP ENVY Laptop
16-h1xxx.

System Info:
- Model: HP ENVY Laptop 16-h1xxx
- Board: 8BE5
- Kernel: 6.18.2-2-cachyos
- Distro: CachyOS

Problem:
Writing to /sys/firmware/acpi/platform_profile appears to succeed but reading
always fails:
$ cat /sys/firmware/acpi/platform_profile
cat: /sys/firmware/acpi/platform_profile: Invalid argument

$ cat /sys/firmware/acpi/platform_profile_choices
cool quiet balanced performance

dmesg shows:
hp_wmi: Unknown event_id - 131073 - 0x0
platform_profile: Failed to get profile for handler hp-wmi

Fan control is not possible through any method (hp_wmi or direct EC writes).

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