91 	struct backlight_device *blightdev;  member
763 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
765 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_get_brightness()
776 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
778 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_update_status()
784 			 blightdev->props.brightness))  in ideapad_backlight_update_status()
787 			 blightdev->props.power == FB_BLANK_POWERDOWN ? 0 : 1))  in ideapad_backlight_update_status()
800 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
814 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
819 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
821 		return PTR_ERR(blightdev);  in ideapad_backlight_init()
824 	priv->blightdev = blightdev;  in ideapad_backlight_init()
825 	blightdev->props.brightness = now;  in ideapad_backlight_init()
826 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_init()
827 	backlight_update_status(blightdev);  in ideapad_backlight_init()
834 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
835 	priv->blightdev = NULL;  in ideapad_backlight_exit()
841 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
843 	if (!blightdev)  in ideapad_backlight_notify_power()
847 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_notify_power()
855 	if (priv->blightdev == NULL) {  in ideapad_backlight_notify_brightness()
860 	backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()