linux-kernel - Re: [PATCH 3/3] HID: rmi: disable palm detect gesture when present

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Message-ID: <alpine.LNX.2.00.1502251535280.19920@pobox.suse.cz>
Date:	Wed, 25 Feb 2015 15:35:43 +0100 (CET)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Gabriele Mazzotta <gabriele.mzt@...il.com>
cc:	Andrew Duggan <aduggan@...aptics.com>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Benjamin Tissoires <benjamin.tissoires@...hat.com>
Subject: Re: [PATCH 3/3] HID: rmi: disable palm detect gesture when present

On Wed, 25 Feb 2015, Gabriele Mazzotta wrote:

> On Tuesday 24 February 2015 17:36:50 Andrew Duggan wrote:
> > A touchpad may have firmware based palm detection code enabled which
> > suppresses 2D data from being reported when the firmware believes a palm is
> > on the touchpad. This functionality is meant to be used in mouse mode without
> > a driver. When a driver is present, the driver can do a better job of
> > determining if a contact is a palm. If this gesture is enabled on a touchpad
> > operating in rmi mode then the firmware will not properly clear the palm detect
> > interrupt, causing the touchpad to interrupt indefinately. This patch disables
> > the palm detect gesture when the touchpad is operating in rmi mode.
> > 
> > Signed-off-by: Andrew Duggan <aduggan@...aptics.com>
> > ---
> > Hi Gabriele,
> > 
> > Can you test this patch on your system to confirm that it fixes your issue?
> > I was able to test the  other two patches so I can confirm that the write
> > fuction works. But, I don't have a touchpad with the palm detect gesture
> > enabled so it would be good to double check that I have the right address and
> > mask.
> > 
> > Andrew
> 
> I tested it and confirm that it's working. Thanks.

Thanks for testing. I have now applied the series to for-4.1/rmi.

-- 
Jiri Kosina
SUSE Labs
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