[media] adv7604/adv7842: replace FMT_CHANGED by V4L2_DEVICE_NOTIFY_EVENT

This makes it easier for the bridge driver to just passthrough such
events to the corresponding device node.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/i2c/adv7604.c

@@ -341,6 +341,11 @@ static const struct adv76xx_video_standards adv76xx_prim_mode_hdmi_gr[] = {
 	{ },
 };
 
+static const struct v4l2_event adv76xx_ev_fmt = {
+	.type = V4L2_EVENT_SOURCE_CHANGE,
+	.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
 /* ----------------------------------------------------------------------- */
 
 static inline struct adv76xx_state *to_state(struct v4l2_subdev *sd)
@@ -1744,11 +1749,11 @@ static int adv76xx_s_routing(struct v4l2_subdev *sd,
 	state->selected_input = input;
 
 	disable_input(sd);
-
 	select_input(sd);
-
 	enable_input(sd);
 
+	v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+			   (void *)&adv76xx_ev_fmt);
 	return 0;
 }
 
@@ -1915,7 +1920,8 @@ static int adv76xx_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
 			"%s: fmt_change = 0x%x, fmt_change_digital = 0x%x\n",
 			__func__, fmt_change, fmt_change_digital);
 
-		v4l2_subdev_notify(sd, ADV76XX_FMT_CHANGE, NULL);
+		v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+				   (void *)&adv76xx_ev_fmt);
 
 		if (handled)
 			*handled = true;

drivers/media/i2c/adv7842.c

@@ -242,6 +242,11 @@ static const struct adv7842_video_standards adv7842_prim_mode_hdmi_gr[] = {
 	{ },
 };
 
+static const struct v4l2_event adv7842_ev_fmt = {
+	.type = V4L2_EVENT_SOURCE_CHANGE,
+	.u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
+};
+
 /* ----------------------------------------------------------------------- */
 
 static inline struct adv7842_state *to_state(struct v4l2_subdev *sd)
@@ -1975,7 +1980,8 @@ static int adv7842_s_routing(struct v4l2_subdev *sd,
 	select_input(sd, state->vid_std_select);
 	enable_input(sd);
 
-	v4l2_subdev_notify(sd, ADV7842_FMT_CHANGE, NULL);
+	v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+			   (void *)&adv7842_ev_fmt);
 
 	return 0;
 }
@@ -2208,7 +2214,8 @@ static int adv7842_isr(struct v4l2_subdev *sd, u32 status, bool *handled)
 			 "%s: fmt_change_cp = 0x%x, fmt_change_digital = 0x%x, fmt_change_sdp = 0x%x\n",
 			 __func__, fmt_change_cp, fmt_change_digital,
 			 fmt_change_sdp);
-		v4l2_subdev_notify(sd, ADV7842_FMT_CHANGE, NULL);
+		v4l2_subdev_notify(sd, V4L2_DEVICE_NOTIFY_EVENT,
+				   (void *)&adv7842_ev_fmt);
 		if (handled)
 			*handled = true;
 	}

include/media/adv7604.h

@@ -168,6 +168,5 @@ enum adv76xx_pad {
 
 /* notify events */
 #define ADV76XX_HOTPLUG		1
-#define ADV76XX_FMT_CHANGE	2
 
 #endif

include/media/adv7842.h

@@ -230,9 +230,6 @@ struct adv7842_platform_data {
 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL	(V4L2_CID_DV_CLASS_BASE + 0x1001)
 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR		(V4L2_CID_DV_CLASS_BASE + 0x1002)
 
-/* notify events */
-#define ADV7842_FMT_CHANGE	1
-
 /* custom ioctl, used to test the external RAM that's used by the
  * deinterlacer. */
 #define ADV7842_CMD_RAM_TEST _IO('V', BASE_VIDIOC_PRIVATE)