Jiri Kosina wrote:
On Sat, 20 Jan 2007, Ivan Ukhov wrote:
I'm writing a driver for an USB device that has one configuration with
several interfacies and one of them is a HID interface. So when I check
this interface whether it's claimed (usb_interface_claimed), I find out
that it is, and it's claimed by the HID driver. So here is the question:
how can I ask the HID driver to unclaim this very interface for me so
that I can use it? The HID driver is needed for some other devices, so I
can't just rmmod it.
Hi Ivan,
if I understand correctly what you need, wouldn't setting the
HID_QUIRK_IGNORE for a given tuple of idVendor and idProduct be enough?
(see hid_blacklist[] in drivers/usb/input/hid-core.c).
No, it won't do. Imagine that I'm not able to modify the kernel with its
drivers. It should work with usual kernel and HID driver. So I want my
driver to ask the HID driver to free the interfaces or don't claim them
at all. Mb there's an example of such a driver?.. obviously there are a
lot of HID devices and mb a vendor one of them doesn't want to use HID
driver for one of its interfaces to provide some additional features or
something, so he should make the kernel use his driver instead of HID...
Does it make any sense?)
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