diff --git a/drivers/media/i2c/rk628/rk628.c b/drivers/media/i2c/rk628/rk628.c
index 8236eaef9320..c481805fe8d0 100644
--- a/drivers/media/i2c/rk628/rk628.c
+++ b/drivers/media/i2c/rk628/rk628.c
@@ -322,7 +322,7 @@ static int rk628_reg_show(struct seq_file *s, void *v)
 	const struct regmap_config *reg;
 	struct rk628 *rk628 = s->private;
 	unsigned int i, j;
-	u32 val;
+	u32 val = 0;
 
 	seq_printf(s, "rk628_%s:\n", file_dentry(s->file)->d_iname);
 
diff --git a/drivers/media/i2c/rk628/rk628_post_process.c b/drivers/media/i2c/rk628/rk628_post_process.c
index 6126bfbf13d6..2b9173be8987 100644
--- a/drivers/media/i2c/rk628/rk628_post_process.c
+++ b/drivers/media/i2c/rk628/rk628_post_process.c
@@ -1293,7 +1293,7 @@ static int rockchip_calc_post_csc(struct post_csc_coef *csc_simple_coef,
 static void rk628_post_process_csc(struct rk628 *rk628)
 {
 	enum bus_format in_fmt, out_fmt;
-	struct post_csc_coef csc_coef;
+	struct post_csc_coef csc_coef = {};
 	bool is_input_yuv, is_output_yuv;
 	u32 color_space = V4L2_COLORSPACE_BT709F;
 	u32 csc_mode;