BTN_STYLUS2
{ HPEN_MAP_BUT( TABLET_PICK, BTN_STYLUS2) },
{ HPEN_MAP_BUT( SEC_BARREL_SWITCH,BTN_STYLUS2) },
[BTN_STYLUS2] = "BTN_STYLUS2",
{ .name = "BTN_STYLUS2", .value = BTN_STYLUS2 },
bit_test(key_bits, BTN_STYLUS2)) {