linux-kernel - Re: [PATCH v2] HID: add support for Sony RF receiver with USB product id 0x0374

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Date:	Wed, 16 Jan 2013 14:17:05 +0900
From:	Fernando Luis Vazquez Cao <fernando_b1@....ntt.co.jp>
To:	Jiri Kosina <jkosina@...e.cz>
CC:	linux-input@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Antonio Ospite <ospite@...denti.unina.it>
Subject: Re: [PATCH v2] HID: add support for Sony RF receiver with USB product
 id 0x0374

Hi Jiri,

On 2013/01/16 01:02, Jiri Kosina wrote:
> On Tue, 15 Jan 2013, Fernando Luis Vázquez Cao wrote:
>
>> Some Vaio desktop computers, among them the VGC-LN51JGB multimedia PC, have
>> a RF receiver, multi-interface USB device 054c:0374, that is used to connect
>> a wireless keyboard and a wireless mouse.
>>
>> The keyboard works flawlessly, but the mouse (VGP-WMS3 in my case) does not
>> seem to be generating any pointer events. The problem is that the mouse pointer
>> is wrongly declared as a constant non-data variable in the report descriptor
>> (see lsusb and usbhid-dump output below), with the consequence that it is
>> ignored by the HID code.
>>
>> Add this device to the have-special-driver list and fix up the report
>> descriptor in the Sony-specific driver which happens to already have a fixup
>> for a similar firmware bug.
> Applied, thanks.

Thank you.

I noticed that the patch was tagged "for-3.9". Does this mean
that it is too late to get it merged during the current release
cycle?

If possible, I would like to get it backported to 3.7-stable (and
possibly 3.2 stable), since without it a whole family of Sony
desktop computers is unusable under Linux out of the box.
Should I do it myself or do you have a process in place for HID
stable patches?

Regards,
Fernando
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