Re: BUG: hid-multitouch causes 10 second delay and error

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On Tue, 1 Nov 2011, Henrik Rydberg wrote:

> This reverts commit 0db3bfc72adf0cb70f08dfe92e4040f64e25e205.
> 
> The generic detection of hid-mt devices has two major flaws, and was
> merged prematurely. Firstly, the hid-multitouch gets loaded even when
> the device is handled by a special device. Secondly, the patch only
> partially duplicates the device whitelist already present in hid-core,
> effectively rendering a number of devices non-functional.
> 
> Reported-by: Sean Young <sean@xxxxxxxx>
> Tested-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxx>
> Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> ---
> Hi Jiri,
> 
> Unfortunately, the recently discussed solution does not seem to work,
> so there is only a revert for now.
> 
> I was planning to send a second patch, very small and concise, based
> on Benjamins patch, but
> 
> 1. It still does not resolve the
> hid-multitouch-gets-loaded-for-every-hid-device problem, and

Hmm, I thought it should work. What is the catch?

> In other words, there is currently no viable solution.

Thanks, I will be including the patch in my next pile of fixes for 3.2 
that will go to Linus.

-- 
Jiri Kosina
SUSE Labs
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