124 static inline int backlight_update_status(struct backlight_device *bd)  in backlight_update_status()  argument
128 	mutex_lock(&bd->update_lock);  in backlight_update_status()
129 	if (bd->ops && bd->ops->update_status)  in backlight_update_status()
130 		ret = bd->ops->update_status(bd);  in backlight_update_status()
131 	mutex_unlock(&bd->update_lock);  in backlight_update_status()
140 static inline int backlight_enable(struct backlight_device *bd)  in backlight_enable()  argument
142 	if (!bd)  in backlight_enable()
145 	bd->props.power = FB_BLANK_UNBLANK;  in backlight_enable()
146 	bd->props.fb_blank = FB_BLANK_UNBLANK;  in backlight_enable()
147 	bd->props.state &= ~BL_CORE_FBBLANK;  in backlight_enable()
149 	return backlight_update_status(bd);  in backlight_enable()
156 static inline int backlight_disable(struct backlight_device *bd)  in backlight_disable()  argument
158 	if (!bd)  in backlight_disable()
161 	bd->props.power = FB_BLANK_POWERDOWN;  in backlight_disable()
162 	bd->props.fb_blank = FB_BLANK_POWERDOWN;  in backlight_disable()
163 	bd->props.state |= BL_CORE_FBBLANK;  in backlight_disable()
165 	return backlight_update_status(bd);  in backlight_disable()
172 static inline void backlight_put(struct backlight_device *bd)  in backlight_put()  argument
174 	if (bd)  in backlight_put()
175 		put_device(&bd->dev);  in backlight_put()
185 extern void backlight_device_unregister(struct backlight_device *bd);
187 					struct backlight_device *bd);
188 extern void backlight_force_update(struct backlight_device *bd,
193 extern int backlight_device_set_brightness(struct backlight_device *bd, unsigned long brightness);