Now that the adv748x subdevice supports internal routing, add an
has_route() operation used during media graph traversal.
Signed-off-by: Jacopo Mondi <jacopo+renesas@xxxxxxxxxx>
---
drivers/media/i2c/adv748x/adv748x-afe.c | 26 +++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/media/i2c/adv748x/adv748x-afe.c b/drivers/media/i2c/adv748x/adv748x-afe.c
index 3f770f71413f..1ba78d45abd5 100644
--- a/drivers/media/i2c/adv748x/adv748x-afe.c
+++ b/drivers/media/i2c/adv748x/adv748x-afe.c
@@ -463,6 +463,30 @@ static const struct v4l2_subdev_ops adv748x_afe_ops = {
.pad = &adv748x_afe_pad_ops,
};
+/* -----------------------------------------------------------------------------
+ * media_entity_operations
+ */
+
+static bool adv748x_afe_has_route(struct media_entity *entity,
+ unsigned int pad0, unsigned int pad1)
+{
+ struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
+ struct adv748x_afe *afe = adv748x_sd_to_afe(sd);
+
+ /* Only consider direct sink->source routes. */
+ if (pad0 > ADV748X_AFE_SINK_AIN7 || pad1 != ADV748X_AFE_SOURCE)
+ return false;
+
+ if (pad0 != afe->input)
+ return false;
+
+ return true;
+}
+
+static const struct media_entity_operations adv748x_afe_entity_ops = {
+ .has_route = adv748x_afe_has_route,
+};
+
/* -----------------------------------------------------------------------------
* Controls
*/
@@ -595,6 +619,8 @@ int adv748x_afe_init(struct adv748x_afe *afe)
afe->pads[ADV748X_AFE_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
+ afe->sd.entity.ops = &adv748x_afe_entity_ops;
+
ret = media_entity_pads_init(&afe->sd.entity, ADV748X_AFE_NR_PADS,
afe->pads);
if (ret)
--
2.21.0
