drm: tda998x: use cec_notifier_conn_(un)register

Use the new cec_notifier_conn_(un)register() functions to
(un)register the notifier for the HDMI connector.
Signed-off-by: Dariusz Marcinkiewicz <darekm@google.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Link: https://patchwork.freedesktop.org/patch/msgid/20191017072842.16793-2-hverkuil-cisco@xs4all.nl

drivers/gpu/drm/i2c/tda998x_drv.c

@@ -806,8 +806,8 @@ static irqreturn_t tda998x_irq_thread(int irq, void *data)
 				tda998x_edid_delay_start(priv);
 			} else {
 				schedule_work(&priv->detect_work);
-				cec_notifier_set_phys_addr(priv->cec_notify,
-						   CEC_PHYS_ADDR_INVALID);
+				cec_notifier_phys_addr_invalidate(
+						priv->cec_notify);
 			}
 
 			handled = true;
@@ -1791,8 +1791,7 @@ static void tda998x_destroy(struct device *dev)
 
 	i2c_unregister_device(priv->cec);
 
-	if (priv->cec_notify)
-		cec_notifier_put(priv->cec_notify);
+	cec_notifier_conn_unregister(priv->cec_notify);
 }
 
 static int tda998x_create(struct device *dev)
@@ -1917,7 +1916,7 @@ static int tda998x_create(struct device *dev)
 		cec_write(priv, REG_CEC_RXSHPDINTENA, CEC_RXSHPDLEV_HPD);
 	}
 
-	priv->cec_notify = cec_notifier_get(dev);
+	priv->cec_notify = cec_notifier_conn_register(dev, NULL, NULL);
 	if (!priv->cec_notify) {
 		ret = -ENOMEM;
 		goto fail;