msm: camera: sync: Add SYNC_CANCEL support in sync driver

Add SYNC_CANCEL definition and signal CANCEL instead of
ERROR in flush cases.

CRs-Fixed: 2673810
Change-Id: I1bd83e382f9b38f5f020a5af3b883083e211e3d2
Signed-off-by: Pavan Kumar Chilamkurthi <pchilamk@codeaurora.org>

drivers/cam_cust/cam_custom_context.c

@@ -116,7 +116,7 @@ static int __cam_custom_ctx_flush_req(struct cam_context *ctx,
 					req_custom->fence_map_out[i].sync_id);
 				rc = cam_sync_signal(
 					req_custom->fence_map_out[i].sync_id,
-					CAM_SYNC_STATE_SIGNALED_ERROR);
+					CAM_SYNC_STATE_SIGNALED_CANCEL);
 				if (rc)
 					CAM_ERR_RATE_LIMIT(CAM_CUSTOM,
 						"signal fence failed\n");
@@ -291,7 +291,7 @@ static int __cam_custom_stop_dev_core(
 			if (req_custom->fence_map_out[i].sync_id != -1) {
 				cam_sync_signal(
 					req_custom->fence_map_out[i].sync_id,
-					CAM_SYNC_STATE_SIGNALED_ERROR);
+					CAM_SYNC_STATE_SIGNALED_CANCEL);
 			}
 		list_add_tail(&req->list, &ctx->free_req_list);
 	}
@@ -307,7 +307,7 @@ static int __cam_custom_stop_dev_core(
 			if (req_custom->fence_map_out[i].sync_id != -1) {
 				cam_sync_signal(
 					req_custom->fence_map_out[i].sync_id,
-					CAM_SYNC_STATE_SIGNALED_ERROR);
+					CAM_SYNC_STATE_SIGNALED_CANCEL);
 			}
 		list_add_tail(&req->list, &ctx->free_req_list);
 	}
@@ -323,7 +323,7 @@ static int __cam_custom_stop_dev_core(
 			if (req_custom->fence_map_out[i].sync_id != -1) {
 				cam_sync_signal(
 					req_custom->fence_map_out[i].sync_id,
-					CAM_SYNC_STATE_SIGNALED_ERROR);
+					CAM_SYNC_STATE_SIGNALED_CANCEL);
 			}
 		list_add_tail(&req->list, &ctx->free_req_list);
 	}