ASoC: si476x: Convert to params_width()

The CODEC doesn't care how data is laid out in memory.
Signed-off-by: NMark Brown <broonie@linaro.org>

sound/soc/codecs/si476x.c

@@ -167,17 +167,17 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
-	switch (params_format(params)) {
-	case SNDRV_PCM_FORMAT_S8:
+	switch (params_width(params)) {
+	case 8:
 		width = SI476X_PCM_FORMAT_S8;
 		break;
-	case SNDRV_PCM_FORMAT_S16_LE:
+	case 16:
 		width = SI476X_PCM_FORMAT_S16_LE;
 		break;
-	case SNDRV_PCM_FORMAT_S20_3LE:
+	case 20:
 		width = SI476X_PCM_FORMAT_S20_3LE;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		width = SI476X_PCM_FORMAT_S24_LE;
 		break;
 	default: