Thanks! Working on it now... -- Terry On Fri, Oct 7, 2011 at 11:19 PM, Jiri Kosina <jkosina@xxxxxxx> wrote: > On Fri, 7 Oct 2011, Terry Lambert wrote: > >> You make a very good point on the key remapping. >> >> ... >> >> Are we sure that there isn't a field in the keyboard information in >> the USB that reports the keyboard does this? >> >> The only other alternative seems to be to quirk the keyboard as >> reporting keys down when they are down, up when they are up, and >> generating pseudo events for "keycode not present in report". >> >> I guess I'm willing to write a "hosed keyboard driver" driver if >> necessary. This apparently effects about 5-10% of keyboards, >> predominantly laptops with internal USB (some dell inspiron, some >> samsung), and the folding keyboards people like to use with android >> tablets. >> >> I'm willing to take any advice about where I can get a handle on all >> the keys in a given report to implement a general quirk on this >> hardware. >> >> If necessary, we can always write a driver, I suppose, if you can >> point me at an example? > > So if I understood the situation correctly (Dmitry, thanks for adding me > to CC), what you want to do is to write a very simple driver that has a > hook called every time HID event occurs on the keyboard, and have it do > modifier magic before it's reported to the input subsystem. > > There are various existing drivers which are doing exactly this that can > serve as an example. The simplest one probably is hid-microsoft, the more > sophisticated one is hid-apple. These two are registering ->event > callback, so they are obtaining already pre-parsed information. > > If you'd need to receive information that hasn't been parsed yet by the > HID parser, you'd rather register ->raw_event callback. There are various > drivers that to this as well -- hid-zydacron being a really simple one and > hid-magicmouse being a sophisticated one. > > I believe those drivers should serve as a perfect example for what you > need. > > -- > Jiri Kosina > SUSE Labs > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
