linux-kernel - Re: [PATCH 00/10] leds: lp5521,5523: restore device attributes for running LED patterns

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Date:	Wed, 20 Nov 2013 07:33:11 +0900
From:	Milo Kim <milo.kim@...com>
To:	Bryan Wu <cooloney@...il.com>
CC:	Pali Rohár <pali.rohar@...il.com>,
	Linux LED Subsystem <linux-leds@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/10] leds: lp5521,5523: restore device attributes for
 running LED patterns

Hi Bryan,

On 11/20/2013 04:20 AM, Bryan Wu wrote:
> On Tue, Nov 19, 2013 at 2:35 AM, Pali Rohár<pali.rohar@...il.com>  wrote:
>> >Hello,
>> >
>> >now I tested that patch on top of 3.12-rc5 with this led example:
>> >
>> >     # 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
>> >
>> >And now it working, led blinks :-) I also tested Maemo
>> >application for managing lp5523 led and now it working too.
>> >
> That's good. We can post this fixing patch to stable tree as well as
> latest upstream kernel.
>
> Milo, do you need to update your patch, if not I'm going to take it
> into my tree and for stable tree.

I'll send the patch-set again because LP5521 is also required to be fixed.
And _remove() also needs to be updated.
I can send it by tomorrow.

Thanks,
- Milo


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