linux-kernel - Re: [PATCH] hid: Complete support for the new unibody macbooks

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Message-ID: <alpine.LNX.1.10.0811200056240.19853@jikos.suse.cz>
Date:	Thu, 20 Nov 2008 00:57:49 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Henrik Rydberg <rydberg@...omail.se>
cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] hid: Complete support for the new unibody macbooks

On Thu, 20 Nov 2008, Henrik Rydberg wrote:

> > Therefore my memory must have been wrong -- I thought that you told me 
> > when I was merging f89bd95c5c that the devices are not standard HID 
> > devices at all, and therefore they can be safely ignored by the driver 
> > right away, as they can't be driven by HID driver anyway.
> These usb devices provide several different functions through the same
> interface. By default, it looks like a regular mouse interface, which
> HID will claim. This is why we need the quirks.

That I fully understand. But I though that the device is so much HID 
standard non-compliant, that even basic functionality is not possible with 
the generic HID driver, and therefore blacklisting it immediately can't do 
any harm. That's what I understood previously. But if this is wrong, and 
the HID code can get at least basic functionality from the device, I will 
revert the blacklist addition.

Thanks,

-- 
Jiri Kosina
SUSE Labs
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