backlight: ams369fg06: remove unnecessary NULL deference check
Remove unnecessary NULL deference check, because it was already checked in ams369fg06_probe(). Also, unnecessary parentheses are removed in ams369fg06_power_is_on(). Signed-off-by: NJingoo Han <jg1.han@samsung.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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