From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CDEABC43387 for ; Tue, 8 Jan 2019 17:20:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9BF57206A3 for ; Tue, 8 Jan 2019 17:20:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728766AbfAHRUV convert rfc822-to-8bit (ORCPT ); Tue, 8 Jan 2019 12:20:21 -0500 Received: from mail1.bemta24.messagelabs.com ([67.219.250.116]:3646 "EHLO mail1.bemta24.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727484AbfAHRUU (ORCPT ); Tue, 8 Jan 2019 12:20:20 -0500 Received: from [67.219.250.197] (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256 bits)) by server-5.bemta.az-b.us-west-2.aws.symcld.net id E1/50-18998-2DBD43C5; Tue, 08 Jan 2019 17:20:18 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrMKsWRWlGSWpSXmKPExsXi5LtOQPfSbZM Yg0fTRS0OL3rBaPH12212i5ufvrFaXN41h82BxWPnrLvsHr+2rWHx+LxJLoA5ijUzLym/IoE1 o/P9YZaCW8wVL9esZ2lg/MfUxcjFISSwklFi0+dt7BDOHkaJT5NWMXcxcnKwCehLfPtzkAnEF gGyt8/+xQhSxCywhFHi8JmDbCAJYQFHidO3bzBCFDlJnGuaBtUQJrHsxyEWEJtFQEWi89F1dh CbV8BIYuaaA2wQ2zYzSbxZvRKoiIODU0BP4sp1H5AaRgExie+n1oDNYRYQl7j1ZD6YLSEgILF kz3lmCFtU4uXjf6wgtijQ/JaDe1gg4goSnw/OY4Po1ZFYsPsTlG0uceTBZEYIW1ti2cLXzBD3 CEqcnPkE7AQhAWWJhiu8ExjFZyHZPAvJpFlIJs1CMmkWkkkLGFlXMVokFWWmZ5TkJmbm6BoaG OgaGhrpGhoDsYmpXmKVbpJeabFueWpxia6RXmJ5sV5xZW5yTopeXmrJJkZgJKcUtEzcwfhuef ohRkkOJiVRXrYqkxghvqT8lMqMxOKM+KLSnNTiQ4wyHBxKErxZ54FygkWp6akVaZk5wJQCk5b g4FES4fW9BZTmLS5IzC3OTIdInWK05Diw6OFcZo6bT54ByVPPgKQQS15+XqqUOO+xm0ANAiAN GaV5cONgae8So6yUMC8jAwODEE9BalFuZgmq/CtGcQ5GJWHebpC1PJl5JXBbXwEdxAR00CFGs INKEhFSUg2MRT+zZrp8b7EPL3wQFR7MJ/a/yHuiD/9Gq9PrJ60JlFfgaWs0nnDsWFWCauaU8p 1BV/2PJ7r2+dw4EBvnvtsrRu/AhzjB+77rFqVdTPjMK/757P83NuvXq325eWndpXMWGUumL3T oVdiWmJZ37/aa5C1eKxK3eIpMkjmpsnb+vj/ybpdPMKYvVWIpzkg01GIuKk4EAL9EAa12AwAA X-Env-Sender: Alex.Gonzalez@digi.com X-Msg-Ref: server-17.tower-345.messagelabs.com!1546968017!6413816!1 X-Originating-IP: [66.77.174.16] X-SYMC-ESS-Client-Auth: outbound-route-from=pass X-StarScan-Received: X-StarScan-Version: 9.14.24; banners=-,-,- X-VirusChecked: Checked Received: (qmail 16380 invoked from network); 8 Jan 2019 17:20:18 -0000 Received: from owa.digi.com (HELO MCL-VMS-XCH01.digi.com) (66.77.174.16) by server-17.tower-345.messagelabs.com with DHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 8 Jan 2019 17:20:18 -0000 Received: from DOR-VMS-XCH01.digi.com (10.49.8.98) by MCL-VMS-XCH01.digi.com (10.5.8.49) with Microsoft SMTP Server (TLS) id 14.3.408.0; Tue, 8 Jan 2019 11:20:17 -0600 Received: from DOR-SMS-XCH01.digi.com ([fe80::894b:3bdc:74ae:6efc]) by DOR-VMS-XCH01.digi.com ([fe80::c47f:be41:1dc7:5ab8%11]) with mapi id 14.03.0415.000; Tue, 8 Jan 2019 18:20:15 +0100 From: "Gonzalez, Alex" To: Dmitry Torokhov CC: Bastien Nocera , "linux-input@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] Input: goodix - decouple irq and reset lines Thread-Topic: [PATCH] Input: goodix - decouple irq and reset lines Thread-Index: AQHUpEatvIDOh1cYWEudJPd429h/UaWfM/8AgAIFKYCAArCrgIAADMuAgAAlW4CAAXeKgA== Date: Tue, 8 Jan 2019 17:20:13 +0000 Message-ID: <20190108172013.GA13290@agonzal-linux> References: <1546617648-23445-1-git-send-email-alex.gonzalez@digi.com> <1546617648-23445-2-git-send-email-alex.gonzalez@digi.com> <20190105225147.le5fgpnvq7sctxe5@penguin> <6b8f757eb52eb74d9dc2c3bedbfec798a58c0ec2.camel@hadess.net> <20190107164225.GA5394@agonzal-linux> <20190107185607.GA141497@dtor-ws> In-Reply-To: <20190107185607.GA141497@dtor-ws> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: user-agent: Mutt/1.5.24 (2015-08-30) x-originating-ip: [10.101.2.194] Content-Type: text/plain; charset="us-ascii" Content-ID: <0EB1086BE73FA14DAE97C15A4442E3B3@digi.com> Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >My concern with trying to do the address selection without RST line is >that it is quite unreliable, as it really depends on timings between the >chip reset, INT line being driven by the host and then being switched to >input. I think you are right. thinking twice I should be able to fake the reset line by controlling a regulator to the voltage source for the pull-up. It seems a more solid solution. Thanks a lot for your help and sorry for the noise. Alex