Hi Devs, Dmitry Oh, there is some support for digitizers. That will help me a lot! Some thing else. When releasing my product how do I "ship" my driver? Or do I need to hope that it will be included in the kernel? Thanks Robin 2011/1/29 Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>: > Ho Robin, > > On Sat, Jan 29, 2011 at 09:15:11AM +0100, Robin Theunis wrote: >> Hi Devs, >> >> Currently I am design a USB product, and in that process I also look >> if almost every OS supports my device. >> The device is just only a HID digitizer or touch tablet thingy. It >> reports it self also as HID device. This is to have it >> work PLUG and PLAY. But I gotten a cold shower when trying this on my >> linux pcs. It doesn't work! >> I did some investigation and found that the linux (kernel) only >> support mouses and keyboard, all the other usage pages >> that are included in the USB HID specs aren't implemented. >> http://www.usb.org/developers/devclass_docs/Hut1_11.pdf >> >> Is there a reason why they aren't implemented? especially the >> digitizer thingies because of all the new tablets? > > Linux HID driver does have code to handle digitizers, please take a look > at drivers/hid/hid-input.c::hidinput_configure_usage(). > >> Is it difficult >> to make a driver to support my device? > > It should not be. You might need to tweak usage mappings a bit by the > way of writing small HID sub-driver. Look for examples in > drivers/hid/hid-<vendor>.c > > If you need additional help I'd recommend asking on > linux-input@xxxxxxxxxxxxxxx > >> I have seen that there are a >> lot of wacom drivers, I think doing all the same thing. >> > > Wacoms are quite different since they are not HID devices but handler by > a completely separate driver. > > Thanks. > > -- > Dmitry > -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
