Comment # 3 on bug 1209032 from Marcos de Souza

(In reply to Takashi Iwai from comment #2)
> AFAIK, this 0 comes usually from a buggy firmware (doing some padding or
> such), and it can be ignored.

Ok, thanks. I sent a request to fwupd to add support for upgrading the keychron
firmware, but first keychron company needs to upload their firmware to LVFS...
so there is a long way until upgrading the keyboard firmwre using
gnome-firmare...

Either way, thanks for looking at the issue!