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

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Date:	Thu, 20 Nov 2008 01:41:32 +0100
From:	Henrik Rydberg <rydberg@...omail.se>
To:	Jiri Kosina <jkosina@...e.cz>
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

Jiri Kosina wrote:
> 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.

Basic functionality is possible with the generic HID driver.

Thanks,
Henrik

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