ASoC: wm8961: 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/wm8961.c b/sound/soc/codecs/wm8961.c
index 9c88f04..41d23e9 100644
--- a/sound/soc/codecs/wm8961.c
+++ b/sound/soc/codecs/wm8961.c
@@ -565,16 +565,16 @@
 
 	reg = snd_soc_read(codec, WM8961_AUDIO_INTERFACE_0);
 	reg &= ~WM8961_WL_MASK;
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S16_LE:
+	switch (params_width(params)) {
+	case 16:
 		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
+	case 20:
 		reg |= 1 << WM8961_WL_SHIFT;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		reg |= 2 << WM8961_WL_SHIFT;
 		break;
-	case SNDRV_PCM_FORMAT_S32_LE:
+	case 32:
 		reg |= 3 << WM8961_WL_SHIFT;
 		break;
 	default: