media: i2c: max9286: Rework comments in .bound()

Rephrase a comment in .bound() callback to make it clear we register
a subdev notifier and remove a redundant comment about disabling i2c
auto-ack.

No functional changes intended.
Signed-off-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/max9286.c

@@ -556,9 +556,9 @@ static int max9286_notify_bound(struct v4l2_async_notifier *notifier,
 		subdev->name, src_pad, index);
 
 	/*
-	 * We can only register v4l2_async_notifiers, which do not provide a
-	 * means to register a complete callback. bound_sources allows us to
-	 * identify when all remote serializers have completed their probe.
+	 * As we register a subdev notifiers we won't get a .complete() callback
+	 * here, so we have to use bound_sources to identify when all remote
+	 * serializers have probed.
 	 */
 	if (priv->bound_sources != priv->source_mask)
 		return 0;
@@ -575,11 +575,6 @@ static int max9286_notify_bound(struct v4l2_async_notifier *notifier,
 	 */
 	max9286_reverse_channel_setup(priv, MAX9286_REV_AMP_HIGH);
 	max9286_check_config_link(priv, priv->source_mask);
-
-	/*
-	 * Re-configure I2C with local acknowledge disabled after cameras have
-	 * probed.
-	 */
 	max9286_configure_i2c(priv, false);
 
 	return max9286_set_pixelrate(priv);