diff --git a/drivers/misc/awinic/aw8697/aw8697.c b/drivers/misc/awinic/aw8697/aw8697.c
index 464e5647daa0..899c46a7a7d9 100644
--- a/drivers/misc/awinic/aw8697/aw8697.c
+++ b/drivers/misc/awinic/aw8697/aw8697.c
@@ -196,12 +196,15 @@ static int aw8697_i2c_write_bits(struct aw8697 *aw8697,
 				 unsigned char reg_addr, unsigned int mask,
 				 unsigned char reg_data)
 {
-	unsigned char reg_val = 0;
+	unsigned char oval = 0;
+	unsigned char nval;
 
-	aw8697_i2c_read(aw8697, reg_addr, &reg_val);
-	reg_val &= mask;
-	reg_val |= reg_data;
-	aw8697_i2c_write(aw8697, reg_addr, reg_val);
+	aw8697_i2c_read(aw8697, reg_addr, &oval);
+	nval = oval;
+	nval &= mask;
+	nval |= reg_data;
+	if (oval != nval)
+		aw8697_i2c_write(aw8697, reg_addr, nval);
 
 	return 0;
 }