diff --git a/sound/soc/codecs/rt1011.c b/sound/soc/codecs/rt1011.c
index 349d6db7ecd4..3a0ae80c5ee0 100644
--- a/sound/soc/codecs/rt1011.c
+++ b/sound/soc/codecs/rt1011.c
@@ -1288,7 +1288,7 @@ static int rt1011_r0_load_mode_put(struct snd_kcontrol *kcontrol,
 	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
 		rt1011->r0_reg = ucontrol->value.integer.value[0];
 
-		format = 2147483648; /* 2^24 * 128 */
+		format = 2147483648U; /* 2^24 * 128 */
 		r0_integer = format / rt1011->r0_reg / 128;
 		r0_factor = ((format / rt1011->r0_reg * 100) / 128)
 						- (r0_integer * 100);
@@ -2120,7 +2120,7 @@ static int rt1011_calibrate(struct rt1011_priv *rt1011, unsigned char cali_flag)
 			dev_err(dev,	"Calibrate R0 Failure\n");
 			ret = -EAGAIN;
 		} else {
-			format = 2147483648; /* 2^24 * 128 */
+			format = 2147483648U; /* 2^24 * 128 */
 			r0_integer = format / r0[0] / 128;
 			r0_factor = ((format / r0[0] * 100) / 128)
 							- (r0_integer * 100);