linux-kernel - Re: How to use an usb interface than is claimed by HID?

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Message-ID: <Pine.LNX.4.64.0701210006591.21127@twin.jikos.cz>
Date:	Sun, 21 Jan 2007 00:09:48 +0100 (CET)
From:	Jiri Kosina <jikos@...os.cz>
To:	Ivan Ukhov <uvsoft@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: How to use an usb interface than is claimed by HID?

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).

-- 
Jiri Kosina
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