From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934852AbcIVQpw (ORCPT ); Thu, 22 Sep 2016 12:45:52 -0400 Received: from vern.gendns.com ([206.190.152.46]:37099 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934779AbcIVQpv (ORCPT ); Thu, 22 Sep 2016 12:45:51 -0400 Subject: Re: [PATCH v4 1/3] leds: Introduce userspace leds driver To: Linus Walleij References: <1474053410-24387-1-git-send-email-david@lechnology.com> <1474053410-24387-2-git-send-email-david@lechnology.com> Cc: Richard Purdie , Jacek Anaszewski , "linux-kernel@vger.kernel.org" , "linux-leds@vger.kernel.org" , Marcel Holtmann , Pavel Machek From: David Lechner Message-ID: Date: Thu, 22 Sep 2016 11:45:51 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/22/2016 08:43 AM, Linus Walleij wrote: > On Fri, Sep 16, 2016 at 9:16 PM, David Lechner wrote: > >> This driver creates a userspace leds driver similar to uinput. > > Just out of curiosity: what is this used for? > The typical usecase evades me, so I'd really want to know. > Several use cases are explained in this thread: https://lkml.org/lkml/2016/7/25/505 >> +See tools/leds/uledmon.c for an example userspace program. > > Where is this program? Not in this patch for sure. > > Yours, > Linus Walleij >