From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-io0-f178.google.com ([209.85.223.178]:34988 "EHLO mail-io0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965228AbbHKRCr (ORCPT ); Tue, 11 Aug 2015 13:02:47 -0400 Received: by iodt126 with SMTP id t126so17568516iod.2 for ; Tue, 11 Aug 2015 10:02:46 -0700 (PDT) Date: Tue, 11 Aug 2015 12:02:35 -0500 From: Michael Welling To: Greg Wilson-Lindberg Cc: Michael Welling , Daniel Baluta , "linux-iio@vger.kernel.org" Subject: Re: BBB IIO ADC access not working Message-ID: <20150811170233.GA1872@deathstar> References: <782E3A02C2EB2347BEA6DEA69DC7AB86021D3CB08DDB@sfamail.SAKURAUS.LOCAL> <782E3A02C2EB2347BEA6DEA69DC7AB86021D3CB09132@sfamail.SAKURAUS.LOCAL> <20150806180730.GA1360@deathstar> <782E3A02C2EB2347BEA6DEA69DC7AB86021D3CB0937F@sfamail.SAKURAUS.LOCAL> <20150810223338.GA23548@deathstar> <782E3A02C2EB2347BEA6DEA69DC7AB86021D3CBD3DB3@sfamail.SAKURAUS.LOCAL> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <782E3A02C2EB2347BEA6DEA69DC7AB86021D3CBD3DB3@sfamail.SAKURAUS.LOCAL> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On Tue, Aug 11, 2015 at 09:00:21AM -0700, Greg Wilson-Lindberg wrote: > Hello Michael, > > ..... > > Try increasing the charge-delay and see if you can find a > > value where it stops happening. > > > > Something tells me that it won't fix the issue. > > > > Where is the source tree for this kernel? > > Which dtb are you using? > > > > I increased the charge-delay to 0x10000 and left the system over night with no user > interaction and it was locked up this morning, I think I'm going to have to agree > that changing that to a larger number will not fix the problem. > > Here is a link to the dts that we use: > http://pastebin.com/5nU27sML > I did not include the standard dtsi files that we include from the linux source tree, > just the files that we built ourselves or that we modified. I do not see the modification that you made to the touchscreen registration. Guessing you modified this file for the charge-delay: https://github.com/beagleboard/linux/blob/3.14.40-ti-r62/arch/arm/boot/dts/am335x-bone-ti-tscadc-4-wire.dtsi > > RCN replied thusly to my request for the source tree: > Here's the kernel source, the config we use is "bb.org_defconfig" > https://github.com/beagleboard/linux/tree/3.14.40-ti-r62 > > Thanks for your help in tracking down this problem. I will compare the drivers in this kernel to the latest work in the mainline. > > Regards, > Greg