Fedora 26 small issues with Asus Zenbook UX306U

[Jeandet Alexis]

Hi,

I run Fedora 26 maybe since Alpha release on my Zenbook and in between
Alpha and Beta I lost backlight control from gnome shell and
/sys/class/backlight/intel_backlight/brightness. 
Then after 4.11.3 kernel I wasn't able to boot anymore, I discovered
that switching to CSM mode solved the problem it also restored the
backlight control from /sys/class/backlight/intel_backlight/brightness
but still not from gnome shell.
Updating BIOS didn't help.
Does anyone got similar troubles?
Did you solve them?

Best regards,
Alexis.