181 	struct backlight_device *blightdev;  member
1474 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
1476 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_get_brightness()
1489 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
1491 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_update_status()
1497 			   blightdev->props.brightness);  in ideapad_backlight_update_status()
1502 			   blightdev->props.power != BACKLIGHT_POWER_OFF);  in ideapad_backlight_update_status()
1516 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
1538 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
1543 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
1544 		err = PTR_ERR(blightdev);  in ideapad_backlight_init()
1550 	priv->blightdev = blightdev;  in ideapad_backlight_init()
1551 	blightdev->props.brightness = now;  in ideapad_backlight_init()
1552 	blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;  in ideapad_backlight_init()
1554 	backlight_update_status(blightdev);  in ideapad_backlight_init()
1561 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
1562 	priv->blightdev = NULL;  in ideapad_backlight_exit()
1567 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
1570 	if (!blightdev)  in ideapad_backlight_notify_power()
1578 	blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF;  in ideapad_backlight_notify_power()
1586 	if (!priv->blightdev)  in ideapad_backlight_notify_brightness()
1590 		backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()