75 	struct backlight_device *blightdev;  member
594 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
603 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
606 			 blightdev->props.brightness))  in ideapad_backlight_update_status()
609 			 blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1))  in ideapad_backlight_update_status()
622 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
636 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
641 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
643 		return PTR_ERR(blightdev);  in ideapad_backlight_init()
646 	priv->blightdev = blightdev;  in ideapad_backlight_init()
647 	blightdev->props.brightness = now;  in ideapad_backlight_init()
648 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_init()
649 	backlight_update_status(blightdev);  in ideapad_backlight_init()
656 	if (priv->blightdev)  in ideapad_backlight_exit()
657 		backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
658 	priv->blightdev = NULL;  in ideapad_backlight_exit()
664 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
666 	if (!blightdev)  in ideapad_backlight_notify_power()
670 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_notify_power()
678 	if (priv->blightdev == NULL) {  in ideapad_backlight_notify_brightness()
683 	backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()