backlight: tps65217_bl: Remove unnecessary default brightness check
Variable val holds the default brightness and is unsigned, therefore checking whether it is less than zero is redundant. Signed-off-by: NChristos Gkekas <chris.gekas@gmail.com> Acked-by: NDaniel Thompson <daniel.thompson@linaro.org> Acked-by: NJingoo Han <jingoohan1@gmail.com> Signed-off-by: NLee Jones <lee.jones@linaro.org>
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