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Commit e3d13da7 authored by Hans de Goede's avatar Hans de Goede
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platform/x86: asus-wmi: Fix regression when probing for fan curve control



The fan curve control patches introduced a regression for at least the
TUF FX506 and possibly other TUF series laptops that do not have support
for fan curve control.

As part of the probing process, asus_wmi_evaluate_method_buf is called
to get the factory default fan curve . The WMI management function
returns 0 on certain laptops to indicate lack of fan curve control
instead of ASUS_WMI_UNSUPPORTED_METHOD. This 0 is transformed to
-ENODATA which results in failure when probing.

Fixes: 0f0ac158 ("platform/x86: asus-wmi: Add support for custom fan curves")
Reported-and-tested-by: default avatarAbhijeet V <abhijeetviswa@gmail.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220205112840.33095-1-hdegoede@redhat.com
parent 868d7618
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