On Wed, 2014-12-03 at 16:05 +0900, gyungoh@xxxxxxxxx wrote:
> +static ssize_t sky81452_bl_store_enable(struct device *dev,
> + struct device_attribute *attr, const char *buf, size_t
> count)
> +{
> + struct regmap *regmap = bl_get_data(to_backlight_device(dev));
> + unsigned long value;
> + int ret;
> +
> + ret = kstrtoul(buf, 16, &value);
> + if (IS_ERR_VALUE(ret))
> + return ret;
> +
> + ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN,
> + value << CTZ(SKY81452_EN));
No range checking for value?
> + if (IS_ERR_VALUE(ret))
> + return ret;
> +
> + return count;
> +}
Regards
Oliver
--
Oliver Neukum <oneukum@xxxxxxx>
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