[PATCH RESEND 41/45] media: qcom: camss: create TPG links for IFE

[Gjorgji . Rosikopulos . gjorgji . rosikopulos]

From: Prashant Shrotriya <prashant.shrotriya@xxxxxxxxxxxxxxxx>

The IFE topology uses its own entity-link callback. Create TPG-to-CSID
links there so a TPG can feed the IFE pipeline.

Signed-off-by: Prashant Shrotriya <prashant.shrotriya@xxxxxxxxxxxxxxxx>
Signed-off-by: Atanas Filipov <atanas.filipov@xxxxxxxxxxxxxxxx>
---
 drivers/media/platform/qcom/camss/camss-ife.c | 22 ++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/camss/camss-ife.c b/drivers/media/platform/qcom/camss/camss-ife.c
index e2049e00ea96..ab6102fd1126 100644
--- a/drivers/media/platform/qcom/camss/camss-ife.c
+++ b/drivers/media/platform/qcom/camss/camss-ife.c
@@ -12,6 +12,7 @@
 #include "camss.h"
 #include "camss-csid.h"
 #include "camss-ife.h"
+#include "camss-tpg.h"
 
 #define CAMSS_IFE_PREFIX "ife"
 #define CAMSS_IFE_IRQ_NAME "msm_vfe"
@@ -1574,9 +1575,28 @@ int camss_ife_subdev_init(struct camss *camss, struct ife_device *ife,
 
 int camss_ife_link_entities(struct camss *camss)
 {
-	int ife_id, csid_id;
+	int csid_id;
+	int tpg_id;
+	int ife_id;
 	int rc;
 
+	for (tpg_id = 0; tpg_id < camss->res->tpg_num; tpg_id++) {
+		for (csid_id = 0; csid_id < camss->res->csid_num; csid_id++) {
+			rc = media_create_pad_link(&camss->tpg[tpg_id].subdev.entity,
+						   MSM_TPG_PAD_SRC,
+						   &camss->csid[csid_id].subdev.entity,
+						   MSM_CSID_PAD_SINK, 0);
+			if (rc) {
+				dev_err(camss->dev,
+					"Failed to link %s->%s: %d\n",
+					camss->tpg[tpg_id].subdev.entity.name,
+					camss->csid[csid_id].subdev.entity.name,
+					rc);
+				return rc;
+			}
+		}
+	}
+
 	for (ife_id = 0; ife_id < camss->res->csiphy_num; ife_id++) {
 		for (csid_id = 0; csid_id < camss->res->csid_num; csid_id++) {
 			rc = media_create_pad_link(&camss->csiphy[ife_id].subdev.entity,
-- 
2.34.1