linux-kernel - Re: [PATCH][Bug 26922]USB: yurex: recognize GeneralKeys wireless presenter as generic HID (Re: New: 2.6.37 breaks USB wireless presenter HID device)

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Date:	Fri, 4 Mar 2011 01:48:02 +0900
From:	Tomoki Sekiyama <tomoki.sekiyama@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Maciej Rutecki <maciej.rutecki@...il.com>,
	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org
Subject: Re: [PATCH][Bug 26922]USB: yurex: recognize GeneralKeys wireless
 presenter as generic HID (Re: New: 2.6.37 breaks USB wireless presenter HID device)

2011/1/21 Andrew Morton <akpm@...ux-foundation.org>:
> On Fri, 21 Jan 2011 07:28:49 +0900
> You hit the jackpot.  The patch was wordwrapped, space-stuffed and
> tab-replaced!
>
> Here's my attempt to reconstruct it:

Sorry for broken patch, and thanks for your repair.
The patch was confirmed to successfully fix the regression in recognition
of Wireless Presenter by the original bug reporter.

https://bugzilla.kernel.org/show_bug.cgi?id=26922

> From: Tomoki Sekiyama <tomoki.sekiyama@...il.com>
>
> Unfortunately, the device seems to have the same Vendor ID and Product ID
> as YUREX leg-shakes sensors, and the commit 6bc235a2e2 ("USB: add driver
> for Meywa-Denki & Kayac YUREX") added the ID to hid_ignore_list.
>
> I believe that we can distinguish YUREX and the Wireless Presenter by
> device type.  The patch below makes the driver ignore only YUREX
> (bInterfaceProtocol==0), and recognize Wireless Presenter
> (bInterfaceProtocol is keyboard or mouse) as generic HID.  (I don't have
> the Wireless Presenter, so not yet ested.)
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