{ .bus = "bttv-sub", .file = NULL },
{ .bus = "pnp", .file = "detach_state" },
{ .bus = "eisa", .file = "detach_state" },
+ { .bus = "serio", .file = "detach_state" },
{ .bus = "pseudo", .file = "detach_state" },
{ .bus = "mmc", .file = "detach_state" },
{ .bus = "macio", .file = "detach_state" },