# 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