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=-2.3 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 01D20C43144 for ; Thu, 28 Jun 2018 18:23:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6CD6F257F2 for ; Thu, 28 Jun 2018 18:23:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6CD6F257F2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=1wt.eu Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967830AbeF1SXX (ORCPT ); Thu, 28 Jun 2018 14:23:23 -0400 Received: from wtarreau.pck.nerim.net ([62.212.114.60]:4659 "EHLO 1wt.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030426AbeF1SWA (ORCPT ); Thu, 28 Jun 2018 14:22:00 -0400 Received: (from willy@localhost) by pcw.home.local (8.15.2/8.15.2/Submit) id w5SILoZ5029863; Thu, 28 Jun 2018 20:21:50 +0200 Date: Thu, 28 Jun 2018 20:21:50 +0200 From: Willy Tarreau To: Andreas Klinger Cc: jacek.anaszewski@gmail.com, pavel@ucw.cz, ben.whitten@gmail.com, geert+renesas@glider.be, pombredanne@nexb.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org Subject: Re: [PATCH] leds: ledtrig-morse: send out morse code Message-ID: <20180628182150.GA29858@1wt.eu> References: <20180628134227.GA1719@arbeit> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180628134227.GA1719@arbeit> User-Agent: Mutt/1.6.1 (2016-04-27) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 28, 2018 at 03:42:27PM +0200, Andreas Klinger wrote: > Send out a morse code by using LEDs. > > This is useful especially on embedded systems without displays to tell the > user about error conditions and status information. > > The trigger will be called "morse" > > The string to be send is written into the file morse_string and sent out > with a workqueue. Supported are letters and digits. > > With the file dot_unit the minimal time unit can be adjusted in > milliseconds. Wow, I really love the idea! Willy