From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from saturn.retrosnub.co.uk ([178.18.118.26]:53615 "EHLO saturn.retrosnub.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752784Ab3JAJus (ORCPT ); Tue, 1 Oct 2013 05:50:48 -0400 Message-ID: <524AA91F.7000906@kernel.org> Date: Tue, 01 Oct 2013 11:51:11 +0100 From: Jonathan Cameron MIME-Version: 1.0 To: =?ISO-8859-1?Q?J=FCrgen_Beisert?= CC: linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org, devel@driverdev.osuosl.org, marex@denx.de, fabio.estevam@freescale.com, Dmitry Torokhov , jic23@cam.ac.uk, linux-input@vger.kernel.org Subject: Re: [PATCH 6/9] Staging/iio/adc/touchscreen/MXS: add interrupt driven touch detection References: <1379946998-23041-1-git-send-email-jbe@pengutronix.de> <1379946998-23041-7-git-send-email-jbe@pengutronix.de> <201310011128.38928.jbe@pengutronix.de> In-Reply-To: <201310011128.38928.jbe@pengutronix.de> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On 10/01/13 10:28, Jürgen Beisert wrote: > Hi Jonathan, > > On Tuesday 01 October 2013 11:25:46 Jonathan Cameron wrote: >> a couple of the patch descriptions say that they are untested on i.MX28. > > On Monday 23 September 2013 16:36:35 Juergen Beisert wrote: >> For battery driven systems it is a very bad idea to collect the touchscreen >> data within a kernel busy loop. >> >> This change uses the features of the hardware to delay and accumulate >> samples in hardware to avoid a high interrupt and CPU load. >> >> Note: this is only tested on an i.MX23 SoC yet. > > This note is no longer true. Marek tested it on his M28EVK, Lothar on his TX28 > and myself also on an i.MX28EVK. > > For the IIO part of the driver I tested on my i.MX23 based ChumbyOne and some > customer hardware and it seems still to work (I can only guess if the values I > read from the sysfs entries are correct, sorry). Excellent. I'll assume everyone is happy then and add some appropriate tested-by tags. I'd missed Marek's reply saying he was fine with this. Thanks, Jonathan > > Regards, > Juergen >