From: Grazvydas Ignotas <notasas@gmail.com>
Date: Sat, 19 Mar 2016 01:28:14 +0000 (+0200)
Subject: leds-twl4030-pwm: fix another race
X-Git-Tag: sz_175~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01f551de7fa4a384027f3f8d9119c45ca9d0fd1a;p=pandora-kernel.git

leds-twl4030-pwm: fix another race

This is a race between twl4030_pwmled_work() reading led->new_brightness
vs twl4030_pwmled_brightness() writing to it. Probably needs a proper
lock, but we want twl4030_pwmled_brightness() to not block and assume
work items come from single queue and should not race each other.
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