Re: [linux-usb-devel] [RFC] HID bus design overview.
Marcel Holtmann <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.usb.devel |
|---|---|
| Message-ID | <1175698489.5815.450.camel@violet> |
Hi Jiri, > > What's the position of hidraw? It only is used when all other driver is > > not usable on some report? or, it should be stick every working device. > > Current implementation (as you can see it in -mm or in my hid.git tree) is > creating hidraw interface for just every HID device/interface. But this > will get changed before merge. > > Passing just everything to hidraw is not a good option, as this could lead > to confusion and duplicating of input events (i.e. in-kernel hid driver > processes the report and generates input_event(), and also userland driver > obtains data from hidraw and generates input event through uinput ... not > good). at some point I thought it would be nice to have something like hiddump (like tcpdump), but that can be easily achieved with hcidump and usbmon on the lower level. So if hidraw claims a report id, the kernel should no longer handle it. Regards Marcel