Acer defines Fn+F9/10 as keyboard brightness down/up on Predator PH
315-52 laptop. So, add the quirk to correct key mappings.
evdev:atkbd:dmi:bvn*:bvr*:bd*:svnAcer*:pnAspire*7750G:pvr*
KEYBOARD_KEY_e0=!pageup
+# Predator PH 315-52
+evdev:atkbd:dmi:bvn*:bvr*:bd*:svnAcer*:pnPredator*PH*315-52:pvr*
+ KEYBOARD_KEY_ef=kbdillumup # Fn+F10
+ KEYBOARD_KEY_f0=kbdillumdown # Fn+F9
+
# Travelmate C300
evdev:atkbd:dmi:bvn*:bvr*:bd*:svnAcer*:pnTravelMate*C3[01]0*:pvr*
KEYBOARD_KEY_67=f24 # FIXME: rotate screen