linux-kernel - Re: [linux-usb-devel] [DOC] The documentation for HID Simple Driver Interface 0.5.0

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Date:	Tue, 06 Mar 2007 08:01:50 +0100
From:	Robert Marquardt <marquardt@...emercs.com>
To:	Jiri Kosina <jikos@...os.cz>
CC:	Li Yu <raise.sail@...il.com>,
	Vincent Legoll <vincentlegoll@...il.com>,
	linux-usb-devel <linux-usb-devel@...ts.sourceforge.net>,
	Harold Sargeant <harold-sargeant@...world.com>,
	Greg Kroah Hartman <greg@...ah.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [linux-usb-devel] [DOC] The documentation for HID Simple Driver
 Interface 0.5.0

Jiri Kosina wrote:

> In addition to that, as I stated in some previous e-mail, I am currently 
> working on new 'hidraw' interface, which will provide more flexibility to 
> userland applications willing to operate on raw HID data, than they 
> currently have with hiddev.

I do not know too much about the Linux innards, but my opinion is that 
the HID API to userland should be the bare reports. Windows is handling 
it that way for a good reason. Far too many HID devices have either 
non-informative descriptors (declaring a byte array report) or declaring 
a report which does not match the data contained. Parsing a report is 
definitely a userland job.

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