162 	struct backlight_device *blightdev;  member
1412 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
1414 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_get_brightness()
1427 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
1429 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_update_status()
1435 			   blightdev->props.brightness);  in ideapad_backlight_update_status()
1440 			   blightdev->props.power != BACKLIGHT_POWER_OFF);  in ideapad_backlight_update_status()
1454 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
1476 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
1481 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
1482 		err = PTR_ERR(blightdev);  in ideapad_backlight_init()
1488 	priv->blightdev = blightdev;  in ideapad_backlight_init()
1489 	blightdev->props.brightness = now;  in ideapad_backlight_init()
1490 	blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;  in ideapad_backlight_init()
1492 	backlight_update_status(blightdev);  in ideapad_backlight_init()
1499 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
1500 	priv->blightdev = NULL;  in ideapad_backlight_exit()
1505 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
1508 	if (!blightdev)  in ideapad_backlight_notify_power()
1516 	blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;  in ideapad_backlight_notify_power()
1524 	if (!priv->blightdev)  in ideapad_backlight_notify_brightness()
1528 		backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()