Comment # 7 on bug 1191417 from Matthias Brugger

(In reply to Takashi Iwai from comment #6)
> I pushed the temporary fix to correct MODULE_FIRMWARE() versions to match
> with the existing firmware file on both stable and SLE15-SP4 branches.  This
> should make it working once after the installer image gets rebuilt with that.
> 

Thanks Takashi.

> For a long-term solution, I guess we need to extend the syntax somehow.  I
> have no good idea how to represent such a case, though; a normal wildcard
> doesn't fit well, as we want only a single file for fallback, after all.

Well in the code we have IWL_22000_UCODE_API_MIN which is the oldest FW that is
supported. That could be used for fallback.