ASoC: wm8993: Convert to params_width()

The CODEC doesn't care how data is laid out in memory.

Signed-off-by: Mark Brown <broonie@linaro.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8993.c b/sound/soc/codecs/wm8993.c
index f825dc0..93b14ed 100644
--- a/sound/soc/codecs/wm8993.c
+++ b/sound/soc/codecs/wm8993.c
@@ -1214,19 +1214,19 @@
 			wm8993->tdm_slots, wm8993->tdm_width);
 		wm8993->bclk *= wm8993->tdm_width * wm8993->tdm_slots;
 	} else {
-		switch (params_format(params)) {
-		case SNDRV_PCM_FORMAT_S16_LE:
+		switch (params_width(params)) {
+		case 16:
 			wm8993->bclk *= 16;
 			break;
-		case SNDRV_PCM_FORMAT_S20_3LE:
+		case 20:
 			wm8993->bclk *= 20;
 			aif1 |= 0x8;
 			break;
-		case SNDRV_PCM_FORMAT_S24_LE:
+		case 24:
 			wm8993->bclk *= 24;
 			aif1 |= 0x10;
 			break;
-		case SNDRV_PCM_FORMAT_S32_LE:
+		case 32:
 			wm8993->bclk *= 32;
 			aif1 |= 0x18;
 			break;