ASoC: lm49453: fix build warnings

sound/soc/codecs/lm49453.c: In function 'lm49453_set_dai_fmt':
sound/soc/codecs/lm49453.c:1189:4: warning: overflow in implicit
constant conversion [-Woverflow]
sound/soc/codecs/lm49453.c:1193:4: warning: overflow in implicit
constant conversion [-Woverflow]
sound/soc/codecs/lm49453.c:1197:4: warning: overflow in implicit
constant conversion [-Woverflow]

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: M R Swami Reddy <mr.swami.reddy@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/lm49453.c b/sound/soc/codecs/lm49453.c
index 89bbe03..5eb726b 100644
--- a/sound/soc/codecs/lm49453.c
+++ b/sound/soc/codecs/lm49453.c
@@ -1177,27 +1177,24 @@
 {
 	struct snd_soc_codec *codec = codec_dai->codec;
 
-	int aif_val = 0;
+	u16 aif_val;
 	int mode = 0;
 	int clk_phase = 0;
 	int clk_shift = 0;
 
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 	case SND_SOC_DAIFMT_CBS_CFS:
-		aif_val = ~LM49453_AUDIO_PORT1_BASIC_CLK_MS |
-			~LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
+		aif_val = 0;
 		break;
 	case SND_SOC_DAIFMT_CBS_CFM:
-		aif_val = ~LM49453_AUDIO_PORT1_BASIC_CLK_MS |
-			LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
+		aif_val = LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
 		break;
 	case SND_SOC_DAIFMT_CBM_CFS:
-		aif_val = LM49453_AUDIO_PORT1_BASIC_CLK_MS |
-			~LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
+		aif_val = LM49453_AUDIO_PORT1_BASIC_CLK_MS;
 		break;
 	case SND_SOC_DAIFMT_CBM_CFM:
 		aif_val = LM49453_AUDIO_PORT1_BASIC_CLK_MS |
-			LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
+			  LM49453_AUDIO_PORT1_BASIC_SYNC_MS;
 		break;
 	default:
 		return -EINVAL;