# 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