91 	struct backlight_device *blightdev;  member
766 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
768 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_get_brightness()
779 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
781 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_update_status()
787 			 blightdev->props.brightness))  in ideapad_backlight_update_status()
790 			 blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1))  in ideapad_backlight_update_status()
803 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
817 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
822 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
824 		return PTR_ERR(blightdev);  in ideapad_backlight_init()
827 	priv->blightdev = blightdev;  in ideapad_backlight_init()
828 	blightdev->props.brightness = now;  in ideapad_backlight_init()
829 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_init()
830 	backlight_update_status(blightdev);  in ideapad_backlight_init()
837 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
838 	priv->blightdev = NULL;  in ideapad_backlight_exit()
844 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
846 	if (!blightdev)  in ideapad_backlight_notify_power()
850 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_notify_power()
858 	if (priv->blightdev == NULL) {  in ideapad_backlight_notify_brightness()
863 	backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()