PS2PP_NAV_BTN
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN | PS2PP_HWHEEL },
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
PS2PP_EXTRA_BTN | PS2PP_NAV_BTN },
if (model_info->features & PS2PP_NAV_BTN) {