On Fri, Mar 04, 2022 at 06:28:31PM +0100, Benjamin Tissoires wrote: > The report descriptor is the dictionary of the HID protocol specific > to the given device. > Changing it is a common habit in the HID world, and making that feature > accessible from eBPF allows to fix devices without having to install a > new kernel. > > However, the report descriptor is supposed to be static on a device. > To be able to change it, we need to reconnect the device at the HID > level. > So whenever the report descriptor program type is attached or detached, > we call on a hook on HID to notify it that there is something to be > done. > > Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>