backlight: backlight: Make of_find_backlight static

EXPORT_SYMBOL(of_find_backlight_by_node);

#endif

/**

 * of_find_backlight - Get backlight device

 * @dev: Device

 *

 * This function looks for a property named 'backlight' on the DT node

 * connected to @dev and looks up the backlight device.

 *

 * Call backlight_put() to drop the reference on the backlight device.

 *

 * Returns:

 * A pointer to the backlight device if found.

 * Error pointer -EPROBE_DEFER if the DT property is set, but no backlight

 * device is found.

 * NULL if there's no backlight property.

 */

struct backlight_device *of_find_backlight(struct device *dev)

static struct backlight_device *of_find_backlight(struct device *dev)

{

	struct backlight_device *bd = NULL;

	struct device_node *np;

	return bd;

}

EXPORT_SYMBOL(of_find_backlight);

static void devm_backlight_release(void *data)

{

#endif

#if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE)

struct backlight_device *of_find_backlight(struct device *dev);

struct backlight_device *devm_of_find_backlight(struct device *dev);

#else

static inline struct backlight_device *of_find_backlight(struct device *dev)

{

	return NULL;

}

static inline struct backlight_device *

devm_of_find_backlight(struct device *dev)

{