--- /dev/null
+# Key codes observed on S10-3, assumed valid on other IdeaPad models
+0x81 rfkill # does nothing in BIOS
+0x83 display_off # BIOS toggles screen state
+0xB9 brightnessup # does nothing in BIOS
+0xBA brightnessdown # does nothing in BIOS
+0xF1 camera # BIOS toggles camera power
+0xf2 f21 # touchpad toggle (key alternately emits f2 and f3)
+0xf3 f21