From 28c9266b38a00a07497daad0237f7fa154652ece Mon Sep 17 00:00:00 2001
From: Milo Kim <milo.kim@ti.com>
Date: Wed, 20 Nov 2013 22:13:34 -0800
Subject: [PATCH] leds: lp5521/5523: Fix multiple engine usage bug
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Whenever the engine is loaded by the user-application, the operation mode is
reset first. But it has a problem in case of multiple engine used because
previous engine settings are cleared.
The driver should update not whole 8bits but each engine bit by masking.

On the other hands, whole engines should be reset when the driver is unloaded
and on initializing the LP5523 driver.
So, new functions are used for this handling - lp5521/5523_stop_all_engines().

Cc: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Milo Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
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