ASoC: wm8904: 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>

sound/soc/codecs/wm8904.c

@@ -1290,16 +1290,16 @@ static int wm8904_hw_params(struct snd_pcm_substream *substream,
 		wm8904->bclk = snd_soc_params_to_bclk(params);
 	}
 
-	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:
 		aif1 |= 0x40;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		aif1 |= 0x80;
 		break;
-	case SNDRV_PCM_FORMAT_S32_LE:
+	case 32:
 		aif1 |= 0xc0;
 		break;
 	default: