diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
index f956b90a407a..60c97bb7b18b 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.c
@@ -178,3 +178,17 @@ void rkisp1_sd_adjust_crop(struct v4l2_rect *crop,
 
 	rkisp1_sd_adjust_crop_rect(crop, &crop_bounds);
 }
+
+void rkisp1_bls_swap_regs(enum rkisp1_fmt_raw_pat_type pattern,
+			  const u32 input[4], u32 output[4])
+{
+	static const unsigned int swap[4][4] = {
+		[RKISP1_RAW_RGGB] = { 0, 1, 2, 3 },
+		[RKISP1_RAW_GRBG] = { 1, 0, 3, 2 },
+		[RKISP1_RAW_GBRG] = { 2, 3, 0, 1 },
+		[RKISP1_RAW_BGGR] = { 3, 2, 1, 0 },
+	};
+
+	for (unsigned int i = 0; i < 4; ++i)
+		output[i] = input[swap[pattern][i]];
+}
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
index c1689c0fa05a..a52079261579 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
@@ -603,6 +603,9 @@ void rkisp1_sd_adjust_crop_rect(struct v4l2_rect *crop,
 void rkisp1_sd_adjust_crop(struct v4l2_rect *crop,
 			   const struct v4l2_mbus_framefmt *bounds);
 
+void rkisp1_bls_swap_regs(enum rkisp1_fmt_raw_pat_type pattern,
+			  const u32 input[4], u32 output[4]);
+
 /*
  * rkisp1_mbus_info_get_by_code - get the isp info of the media bus code
  *
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
index 25aede5e1af5..c56365c7c51f 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c
@@ -165,54 +165,20 @@ static void rkisp1_bls_config(struct rkisp1_params *params,
 	new_control &= RKISP1_CIF_ISP_BLS_ENA;
 	/* fixed subtraction values */
 	if (!arg->enable_auto) {
-		const struct rkisp1_cif_isp_bls_fixed_val *pval =
-								&arg->fixed_val;
+		static const u32 regs[] = {
+			RKISP1_CIF_ISP_BLS_A_FIXED,
+			RKISP1_CIF_ISP_BLS_B_FIXED,
+			RKISP1_CIF_ISP_BLS_C_FIXED,
+			RKISP1_CIF_ISP_BLS_D_FIXED,
+		};
+		u32 swapped[4];
 
-		switch (params->raw_type) {
-		case RKISP1_RAW_BGGR:
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED,
-				     pval->r);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED,
-				     pval->gr);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED,
-				     pval->gb);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED,
-				     pval->b);
-			break;
-		case RKISP1_RAW_GBRG:
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED,
-				     pval->r);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED,
-				     pval->gr);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED,
-				     pval->gb);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED,
-				     pval->b);
-			break;
-		case RKISP1_RAW_GRBG:
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED,
-				     pval->r);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED,
-				     pval->gr);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED,
-				     pval->gb);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED,
-				     pval->b);
-			break;
-		case RKISP1_RAW_RGGB:
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_A_FIXED,
-				     pval->r);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_B_FIXED,
-				     pval->gr);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_C_FIXED,
-				     pval->gb);
-			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_D_FIXED,
-				     pval->b);
-			break;
-		default:
-			break;
-		}
+		rkisp1_bls_swap_regs(params->raw_type, regs, swapped);
 
+		rkisp1_write(params->rkisp1, swapped[0], arg->fixed_val.r);
+		rkisp1_write(params->rkisp1, swapped[1], arg->fixed_val.gr);
+		rkisp1_write(params->rkisp1, swapped[2], arg->fixed_val.gb);
+		rkisp1_write(params->rkisp1, swapped[3], arg->fixed_val.b);
 	} else {
 		if (arg->en_windows & BIT(1)) {
 			rkisp1_write(params->rkisp1, RKISP1_CIF_ISP_BLS_H2_START,
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c
index 2795eef91bdd..a502719e916a 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-stats.c
@@ -304,48 +304,25 @@ static void rkisp1_stats_get_hst_meas_v12(struct rkisp1_stats *stats,
 static void rkisp1_stats_get_bls_meas(struct rkisp1_stats *stats,
 				      struct rkisp1_stat_buffer *pbuf)
 {
+	static const u32 regs[] = {
+		RKISP1_CIF_ISP_BLS_A_MEASURED,
+		RKISP1_CIF_ISP_BLS_B_MEASURED,
+		RKISP1_CIF_ISP_BLS_C_MEASURED,
+		RKISP1_CIF_ISP_BLS_D_MEASURED,
+	};
 	struct rkisp1_device *rkisp1 = stats->rkisp1;
 	const struct rkisp1_mbus_info *in_fmt = rkisp1->isp.sink_fmt;
 	struct rkisp1_cif_isp_bls_meas_val *bls_val;
+	u32 swapped[4];
+
+	rkisp1_bls_swap_regs(in_fmt->bayer_pat, regs, swapped);
 
 	bls_val = &pbuf->params.ae.bls_val;
-	if (in_fmt->bayer_pat == RKISP1_RAW_BGGR) {
-		bls_val->meas_b =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
-		bls_val->meas_gb =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
-		bls_val->meas_gr =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
-		bls_val->meas_r =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
-	} else if (in_fmt->bayer_pat == RKISP1_RAW_GBRG) {
-		bls_val->meas_gb =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
-		bls_val->meas_b =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
-		bls_val->meas_r =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
-		bls_val->meas_gr =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
-	} else if (in_fmt->bayer_pat == RKISP1_RAW_GRBG) {
-		bls_val->meas_gr =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
-		bls_val->meas_r =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
-		bls_val->meas_b =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
-		bls_val->meas_gb =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
-	} else if (in_fmt->bayer_pat == RKISP1_RAW_RGGB) {
-		bls_val->meas_r =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_A_MEASURED);
-		bls_val->meas_gr =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_B_MEASURED);
-		bls_val->meas_gb =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_C_MEASURED);
-		bls_val->meas_b =
-			rkisp1_read(rkisp1, RKISP1_CIF_ISP_BLS_D_MEASURED);
-	}
+
+	bls_val->meas_r = rkisp1_read(rkisp1, swapped[0]);
+	bls_val->meas_gr = rkisp1_read(rkisp1, swapped[1]);
+	bls_val->meas_gb = rkisp1_read(rkisp1, swapped[2]);
+	bls_val->meas_b = rkisp1_read(rkisp1, swapped[3]);
 }
 
 static const struct rkisp1_stats_ops rkisp1_v10_stats_ops = {
