ASoC: wm8991: Convert to params_width()

The CODEC doesn't care how data is laid out in memory.
Signed-off-by: NMark Brown <broonie@linaro.org>
Acked-by: NCharles Keepax <ckeepax@opensource.wolfsonmicro.com>

sound/soc/codecs/wm8991.c

@@ -1081,16 +1081,16 @@ static int wm8991_hw_params(struct snd_pcm_substream *substream,
 
 	audio1 &= ~WM8991_AIF_WL_MASK;
 	/* bit size */
-	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:
 		audio1 |= WM8991_AIF_WL_20BITS;
 		break;
-	case SNDRV_PCM_FORMAT_S24_LE:
+	case 24:
 		audio1 |= WM8991_AIF_WL_24BITS;
 		break;
-	case SNDRV_PCM_FORMAT_S32_LE:
+	case 32:
 		audio1 |= WM8991_AIF_WL_32BITS;
 		break;
 	}