linux-kernel - Re: HID bus

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Message-ID: <20080421133621.GA27646@anvil.corenet.prv>
Date:	Mon, 21 Apr 2008 09:36:21 -0400
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Anssi Hannula <anssi.hannula@...il.com>,
	Jiri Slaby <jirislaby@...il.com>, linux-input@...r.kernel.org,
	Marcel Holtmann <marcel@...tmann.org>,
	mit-devel@...ts.printk.net, linux-kernel@...r.kernel.org
Subject: Re: HID bus

On Mon, Apr 21, 2008 at 11:25:43AM +0200, Jiri Kosina wrote:
> On Sun, 20 Apr 2008, Anssi Hannula wrote:
> 
> > Why not just do something like
> > 
> > #define HID_DEVICE(vend, dev) \
> > 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE | \
> > 		       USB_DEVICE_ID_MATCH_INT_CLASS, \
> > 	.idVendor = (vend), \
> > 	.idProduct = (prod), \
> > 	.bInterfaceClass = USB_INTERFACE_CLASS_HID
> > (see linux/usb.h)
> > 
> > and use USB hotplugging?
> > Or do we plan to match against something else as well, such as hid
> > reports or something?
> 
> No, we plan to do matching based solely on VID/PID. The report-specific 
> stuff is then handled between the specific driver and HID generic code.
> 

Hmm, [ab]using USB modalias makes me a bit uneasy. What about bluetooth
HID devices?

-- 
Dmitry
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