msm: camera: cpas: Fix TCSR Register programming

Fix TCSR Register programming to enable SAT.

CRs-Fixed: 2553475
Change-Id: Iaeae7cd06dcbccaa8bf1f98657efff734d048b9f
Signed-off-by: Mangalaram ARCHANA <mangar@codeaurora.org>

drivers/cam_cpas/cpas_top/cam_cpastop_hw.c

@@ -514,7 +514,7 @@ done:
 
 static int cam_cpastop_poweron(struct cam_hw_info *cpas_hw)
 {
-	int i;
+	int i, reg_val;
 	struct cam_cpas_hw_errata_wa_list *errata_wa_list =
 		camnoc_info->errata_wa_list;
 	struct cam_cpas_hw_errata_wa *errata_wa =
@@ -541,8 +541,9 @@ static int cam_cpastop_poweron(struct cam_hw_info *cpas_hw)
 	}
 
 	if (errata_wa->enable) {
-		scm_io_write(errata_wa->data.reg_info.offset,
-			errata_wa->data.reg_info.value);
+		reg_val = scm_io_read(errata_wa->data.reg_info.offset);
+		reg_val |= errata_wa->data.reg_info.value;
+		scm_io_write(errata_wa->data.reg_info.offset, reg_val);
 	}
 
 	return 0;