diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c
index 3396a0db06ba..4fa75087c45b 100644
--- a/sound/soc/sh/fsi.c
+++ b/sound/soc/sh/fsi.c
@@ -683,20 +683,15 @@ static int fsi_dai_startup(struct snd_pcm_substream *substream,
 
 	/* clock inversion (CKG2) */
 	data = 0;
-	switch (SH_FSI_INVERSION_MASK & flags) {
-	case SH_FSI_LRM_INV:
-		data = 1 << 12;
-		break;
-	case SH_FSI_BRM_INV:
-		data = 1 << 8;
-		break;
-	case SH_FSI_LRS_INV:
-		data = 1 << 4;
-		break;
-	case SH_FSI_BRS_INV:
-		data = 1 << 0;
-		break;
-	}
+	if (SH_FSI_LRM_INV & flags)
+		data |= 1 << 12;
+	if (SH_FSI_BRM_INV & flags)
+		data |= 1 << 8;
+	if (SH_FSI_LRS_INV & flags)
+		data |= 1 << 4;
+	if (SH_FSI_BRS_INV & flags)
+		data |= 1 << 0;
+
 	fsi_reg_write(fsi, CKG2, data);
 
 	/* do fmt, di fmt */