Extend device driver?

Daniel. danielhilst at gmail.com
Sat Sep 10 13:53:32 EDT 2016

You may want to look at http://www.signal11.us/oss/hidapi/ too, it has
nice interface to HID device and supports libusb and hidraw backends


2016-09-10 12:14 GMT-03:00 Greg KH <greg at kroah.com>:
> On Sat, Sep 10, 2016 at 04:41:34PM +0200, Pol Eyschen wrote:
>> Hi everyone,
>> I want to implement some custom functions of my mouse (Madcatz RAT5) in
>> Linux, e.g custom DPI-values. As this requires writing over USB to the
>> firmware of the mouse I was thinking of writing a module to accomplish
>> this. However I don't want to reimplement a whole mouse-driver,so I
>> wanted to ask if there is a possibility of binding the device to 2
>> modules or having my module extend usbhid, so that my module would only
>> be used to perform these custom operations while usbhid stays in charge
>> of the whole "mouse business".
> Please just use the hidraw userspace driver/library instead, that way
> you don't have to unbind the kernel driver and everything should work
> just fine without having to touch the kernel at all.
> Hope this helps,
> greg k-h
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies at kernelnewbies.org
> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

"Do or do not. There is no try"
  Yoda Master

More information about the Kernelnewbies mailing list