Messages in this thread | | | From | Dmitry Torokhov <> | Subject | Re: [PATCH] Synaptics: support for pass-through port (stick) | Date | Mon, 7 Jul 2003 17:51:35 -0500 |
| |
On Monday 07 July 2003 01:35 pm, Peter Berg Larsen wrote: > > A complete different problem that might be a problem is that even though > the master(pad) says it has passthough capabilities, there might not be > any guest attached. The bit only tells that it is capable of handling one. > I asked synaptics about this some time ago and they replyed that the only > way to find out is to send a byte and look for a returnbyte or a timeout.
I think this won't be a problem - if there is no guest attached then, when we register pass-through serio port, psmouse_probe will run. The very first thing it to tries identify attached device and bails out if something goes wrong. In our case it should time out. This will leave us with a serio without input device attached - a perfectly valid scenario I think.
Dmitry
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |