# Steam Deck - Neptune The Valve Steam Deck LCD / OLD Controller also known as Neptune ### Steam Input support Yes ### Linux Kernel Support Yes, since 4.18 - `hid-steam` ### Udev rules ``` # Valve USB devices SUBSYSTEM=="usb", ATTRS{idVendor}=="28de", MODE="0666" # Steam Controller udev write access KERNEL=="uinput", SUBSYSTEM=="misc", MODE="0660", GROUP="input", OPTIONS+="static_node=uinput" # Valve HID devices over USB hidraw KERNEL=="hidraw*", ATTRS{idVendor}=="28de", MODE="0666" # Valve HID devices over bluetooth hidraw KERNEL=="hidraw*", KERNELS=="*28DE:*", MODE="0666" ``` ## What are the Official RetroDECK layouts for the Steam Deck? - `RetroDECK: Steam Deck - Neptune SIMPLE` - `RetroDECK: Steam Deck - Neptune FULL`