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SubjectRe: [PATCH] cklight: tps65217_bl: Remove unnecessary default brightness check
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On 08/10/17 22:56, Christos Gkekas wrote:
> Variable val holds the default brightness and is unsigned, therefore
> checking whether it is less than zero is redundant.
>
> Signed-off-by: Christos Gkekas <chris.gekas@gmail.com>

Acked-by: Daniel Thompson <daniel.thompson@linaro.org>

> ---
> drivers/video/backlight/tps65217_bl.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
> index fd524ad..61ea82d 100644
> --- a/drivers/video/backlight/tps65217_bl.c
> +++ b/drivers/video/backlight/tps65217_bl.c
> @@ -239,8 +239,7 @@ tps65217_bl_parse_dt(struct platform_device *pdev)
> }
>
> if (!of_property_read_u32(node, "default-brightness", &val)) {
> - if (val < 0 ||
> - val > 100) {
> + if (val > 100) {
> dev_err(&pdev->dev,
> "invalid 'default-brightness' value in the device tree\n");
> err = ERR_PTR(-EINVAL);
>

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