linux-kernel - Re: HID bus

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Message-ID: <480D1DB8.20109@gmail.com>
Date:	Tue, 22 Apr 2008 01:05:28 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
CC:	Jiri Kosina <jkosina@...e.cz>,
	Anssi Hannula <anssi.hannula@...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 04/21/2008 03:36 PM, Dmitry Torokhov wrote:
> 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?

I do agree, it won't be nice and abstract enough. Working on it, give me some 
time, please.
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