From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Meerwald Subject: Re: Information about Atmel MXT224 Date: Wed, 8 Jan 2014 13:50:02 +0100 (CET) Message-ID: References: <52CD04F1.8090100@gmail.com> <52CD4376.50305@gmail.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: Received: from ns.pmeerw.net ([87.118.82.44]:50255 "EHLO pmeerw.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751764AbaAHMuE (ORCPT ); Wed, 8 Jan 2014 07:50:04 -0500 In-Reply-To: <52CD4376.50305@gmail.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: =?UTF-8?Q?Ga=C3=ABtan_Carlier?= Cc: linux-input@vger.kernel.org, "linux-arm-kernel@lists.infradead.org" , Joonyoung Shim Hello, > I am in Belgium and we deal with Gleichmann & Co. Electronics in Germany to > have their devkit (SMT-C-T10). I have signed a NDA with them to have MXT224 > protocol guide but they never send me Protocol Guide. > I will try another distributor. just ask harder; I got it from them > > something goes wrong in the initialization; the object table of the > > chip doesn't match the register data fed in -- the mxt224 can be a bitch > > and play dead > So what can I do ? Maybe a problem with the embedded firmware that need an > update (atmel_mxt_ts 0-004b: Family ID: 129 Variant ID: 1 Major.Minor.Build: > 2.0.AB) you need to understand the object table and see what object leads to the invalid object message; there is some mismatch between the driver and the chip > When I do cat /proc/interrupts and I short-circuit /CHG to ground, number > increases so low-level handling of interrupt is working. if I remember correctly, the mxt224 does periodic interrupts (200ms?) when something is wrong with the config regards, p. -- Peter Meerwald +43-664-2444418 (mobile)