On Sat, Oct 25, 2008 at 3:13 AM, Charles Lepple <[EMAIL PROTECTED]> wrote: > On Oct 24, 2008, at 11:41 AM, Xiaofan Chen wrote: > >> Reference: >> http://forum.microchip.com/tm.aspx?m=364987 > > The signal-to-noise ratio of that thread is pretty low. What are we looking > at?
Post 14, 19 and 20 in the thread. >> I have a keyboard which posts as a USB composite device. To dump >> the hid report descriptor under Linux, I need to detach the kernel hid >> driver >> in order to use "lsusb -vvv" to dump the HID report descriptor. Somehow >> libhid-detach-device can only detach the first interface (interface 0). >> >> Is it possible to patch it to be able to detach other interfaces? >> I am not a real programmer though... > > See > http://libhid.alioth.debian.org/doc/hid__opening_8c.html#1ca48853ebe890459271bdb99b8aaac6 > > The second parameter to hid_force_open() is the interface number. > So we can patch the file libhid-detach-device to have one more parameter to do the job. Thanks for the hints. http://libhid.alioth.debian.org/doc/libhid-detach-device_8c-source.html#l00011 Regards, Xiaofan _______________________________________________ libhid-discuss mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/libhid-discuss
