backlight: lm3533_bl: Use kobj_to_dev() instead
Use kobj_to_dev() instead of container_of() Signed-off-by: Wang Qing <wangqing@vivo.com> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>zero-sugar-mainline-defconfig
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@ -235,7 +235,7 @@ static struct attribute *lm3533_bl_attributes[] = {
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static umode_t lm3533_bl_attr_is_visible(struct kobject *kobj,
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struct attribute *attr, int n)
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{
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struct device *dev = container_of(kobj, struct device, kobj);
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struct device *dev = kobj_to_dev(kobj);
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struct lm3533_bl *bl = dev_get_drvdata(dev);
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umode_t mode = attr->mode;
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