From: Lee Jones <lee.jones@linaro.org>
Date: Thu, 10 Jul 2014 08:07:06 +0000 (+0100)
Subject: backlight: jornada720: Minimise code duplication and handle errors better
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~127^2~3
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e3b09701223afdff3b0353f87b566e7848bb24a;p=pandora-kernel.git

backlight: jornada720: Minimise code duplication and handle errors better

Rickard Strandqvi's ran a code analysis application which found that
jornada_lcd_get_contrast(() and jornada_lcd_set_contrast() contained
some code duplication (calling the same functions during various
code execution paths) and failed to return errors in a consistent
manner.  This patch aims to simplify the code, coercing it into
behaving at a level expected of a driver in the Linux kernel.

Suggested-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Acked-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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