Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753658Ab3JYRKc (ORCPT ); Fri, 25 Oct 2013 13:10:32 -0400 Received: from mail-la0-f50.google.com ([209.85.215.50]:64615 "EHLO mail-la0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751917Ab3JYRKb convert rfc822-to-8bit (ORCPT ); Fri, 25 Oct 2013 13:10:31 -0400 MIME-Version: 1.0 In-Reply-To: <201310251838.32001@pali> References: <1375948794-6286-1-git-send-email-milo.kim@ti.com> <201310251838.32001@pali> From: Bryan Wu Date: Fri, 25 Oct 2013 10:10:07 -0700 Message-ID: Subject: Re: [PATCH 00/10] leds: lp5521,5523: restore device attributes for running LED patterns To: =?ISO-8859-1?Q?Pali_Roh=E1r?= Cc: Milo Kim , Linux LED Subsystem , lkml , Milo Kim Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3454 Lines: 94 On Fri, Oct 25, 2013 at 9:38 AM, Pali Roh?r wrote: > On Tuesday 13 August 2013 23:04:14 Bryan Wu wrote: >> On Thu, Aug 8, 2013 at 12:59 AM, Milo Kim wrote: >> > This patch-set resolves the application conflict by >> > restoring sysfs files. >> > >> > For LP5521 >> > >> > engine1/2/3_mode >> > engine1/2/3_load >> > >> > For LP5523 >> > >> > engine1/2/3_mode >> > engine1/2/3_load >> > engine1/2/3_leds >> > >> > Those attributes are accessed when LED pattern is run by >> > custom application. Those were removed when LED pattern >> > interface was changed to generic firmware interface. Please >> > refer to commits below. >> > >> > git commit 9ce7cb170f97f83a78dc948bf7d25690f15e1328 >> > (leds-lp5521: use generic firmware interface) >> > >> > git commit db6eaf8388a413a5ee1b4547ce78506b9c6456b0 >> > (leds-lp5523: use generic firmware interface) >> > >> > Necessary attributes are restored in this patch-set. >> > >> > (Other changes) >> > New data structure is added for handling values from/to an >> > application. Few code fixes for reducing writing I2C >> > commands. >> > Add LP55xx common macros for code refactoring. >> > Documentation updates. >> > >> > You can also pull from the location below >> > This branch is based on 'for-next' of linux-leds. >> > >> > https://github.com/milokim/lp55xx.git >> > resolve-missing-sysfs >> >> Thanks, I've already merged the whole patchset in my -devel >> branch [1]. >> >> Pali, could you please help to test it on your hardware? Just >> grab my -devel branch and build then run. >> >> Thanks, >> -Bryan >> > > Hi, I see that all your patches are part of 3.12-rc5 kernel. > > Now I tested this example led program: > > # Clearing LED-state to be sure > echo "disabled" > /sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode > echo "disabled" > /sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode > echo 0 > /sys/class/leds/lp5523:r/brightness > echo 0 > /sys/class/leds/lp5523:g/brightness > echo 0 > /sys/class/leds/lp5523:b/brightness > > # Setting yellow light pattern and running it > echo "load" > /sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode > echo "000001100" > /sys/class/i2c-adapter/i2c-2/2-0032/engine1_leds > echo "9d804000427f0d7f7f007f0042000000" > /sys/class/i2c-adapter/i2c-2/2-0032/engine1_load > echo "load" > /sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode > echo "000000000" > /sys/class/i2c-adapter/i2c-2/2-0032/engine2_leds > echo "9d800000" > /sys/class/i2c-adapter/i2c-2/2-0032/engine2_load > echo "run" > /sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode > echo "run" > /sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode > echo 20 > /sys/class/leds/lp5523:r/led_current > echo 2 > /sys/class/leds/lp5523:g/led_current > echo 0 > /sys/class/leds/lp5523:b/led_current > > All sysfs entries exists and every echo returned 0. > > But led does not start blinking that yellow ligh pattern. > So it not working on 3.12-rc5 kernel :-( > OK, great! Do you still remember which kernel version works on you system? Milo, do you have time to take a look? I bet it's a regression somewhere. Thanks, -Bryan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/