132 	struct backlight_device *blightdev;  member
1200 static int ideapad_backlight_get_brightness(struct backlight_device *blightdev)  in ideapad_backlight_get_brightness()  argument
1202 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_get_brightness()
1213 static int ideapad_backlight_update_status(struct backlight_device *blightdev)  in ideapad_backlight_update_status()  argument
1215 	struct ideapad_private *priv = bl_get_data(blightdev);  in ideapad_backlight_update_status()
1219 			   blightdev->props.brightness);  in ideapad_backlight_update_status()
1224 			   blightdev->props.power != FB_BLANK_POWERDOWN);  in ideapad_backlight_update_status()
1238 	struct backlight_device *blightdev;  in ideapad_backlight_init()  local
1260 	blightdev = backlight_device_register("ideapad",  in ideapad_backlight_init()
1265 	if (IS_ERR(blightdev)) {  in ideapad_backlight_init()
1266 		err = PTR_ERR(blightdev);  in ideapad_backlight_init()
1272 	priv->blightdev = blightdev;  in ideapad_backlight_init()
1273 	blightdev->props.brightness = now;  in ideapad_backlight_init()
1274 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_init()
1276 	backlight_update_status(blightdev);  in ideapad_backlight_init()
1283 	backlight_device_unregister(priv->blightdev);  in ideapad_backlight_exit()
1284 	priv->blightdev = NULL;  in ideapad_backlight_exit()
1289 	struct backlight_device *blightdev = priv->blightdev;  in ideapad_backlight_notify_power()  local
1292 	if (!blightdev)  in ideapad_backlight_notify_power()
1298 	blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;  in ideapad_backlight_notify_power()
1306 	if (!priv->blightdev)  in ideapad_backlight_notify_brightness()
1309 		backlight_force_update(priv->blightdev, BACKLIGHT_UPDATE_HOTKEY);  in ideapad_backlight_notify_brightness()