Comment # 97 on bug 1175599 from Luiz Cantarino

(In reply to Takashi Iwai from comment #96)
> (In reply to Luiz Cantarino from comment #95)
> > Restart the machine, and send the kernel module to the blacklist:
> > sudo echo blacklist = intel_vbtn >> /etc/modprobe.d/50-blacklist.conf &&
> > mkinitrd && reboot
> 
> It's better to create a new file.  Also don't put '=' at the line.
> 
>   % su
>   % echo blacklist intel_vbtn > /etc/modprobe.d/90-keyboard-workaround.conf
>   % mkinitrd
>   % reboot

Gentlemen, I am pleased to announce that it works!
I installed the xf86-input-libinput driver, restarted the machine, and with a
USB keyboard, I sent the intel_vbtn kernel module to the black list ... And I
have my internal laptop keyboard again.