diff --git a/sound/soc/s3c24xx/s3c24xx-i2s.c b/sound/soc/s3c24xx/s3c24xx-i2s.c
index 4ebcd6a8bf28..1ed6afd45459 100644
--- a/sound/soc/s3c24xx/s3c24xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c24xx-i2s.c
@@ -224,6 +224,7 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_cpu_dai *cpu_dai,
 		iismod |= S3C2410_IISMOD_SLAVE;
 		break;
 	case SND_SOC_DAIFMT_CBS_CFS:
+		iismod &= ~S3C2410_IISMOD_SLAVE;
 		break;
 	default:
 		return -EINVAL;
@@ -234,6 +235,7 @@ static int s3c24xx_i2s_set_fmt(struct snd_soc_cpu_dai *cpu_dai,
 		iismod |= S3C2410_IISMOD_MSB;
 		break;
 	case SND_SOC_DAIFMT_I2S:
+		iismod &= ~S3C2410_IISMOD_MSB;
 		break;
 	default:
 		return -EINVAL;