ASoC: tas5086: Convert to params_width()

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

Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/tas5086.c b/sound/soc/codecs/tas5086.c
index d48491a..9871cf3 100644
--- a/sound/soc/codecs/tas5086.c
+++ b/sound/soc/codecs/tas5086.c
@@ -419,14 +419,14 @@
 	}
 
 	/* ... then add the offset for the sample bit depth. */
-	switch (params_format(params)) {
-        case SNDRV_PCM_FORMAT_S16_LE:
+	switch (params_width(params)) {
+        case 16:
 		val += 0;
                 break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
+	case 20:
 		val += 1;
 		break;
-	case SNDRV_PCM_FORMAT_S24_3LE:
+	case 24:
 		val += 2;
 		break;
 	default: