ASoC: fsl-asoc-card: Support new property fsl, asrc-format

In order to align with new ESARC, we add new property fsl,asrc-format.
The fsl,asrc-format can replace the fsl,asrc-width, driver
can accept format from devicetree, don't need to convert it to
format through width.
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Nicolin Chen <nicoleotsuka@gmail.com>
Link: https://lore.kernel.org/r/02f53d5512b9acd3492e2acdd5e0ba3113f18009.1587038908.git.shengjiu.wang@nxp.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/fsl/fsl-asoc-card.c

@@ -680,10 +680,15 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 			goto asrc_fail;
 		}
 
-		ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width);
+		ret = of_property_read_u32(asrc_np, "fsl,asrc-format",
+					   &priv->asrc_format);
 		if (ret) {
-			dev_err(&pdev->dev, "failed to get output rate\n");
-			ret = -EINVAL;
+			/* Fallback to old binding; translate to asrc_format */
+			ret = of_property_read_u32(asrc_np, "fsl,asrc-width",
+						   &width);
+			if (ret) {
+				dev_err(&pdev->dev,
+					"failed to decide output format\n");
 				goto asrc_fail;
 			}
 
@@ -692,6 +697,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 			else
 				priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
 		}
+	}
 
 	/* Finish card registering */
 	platform_set_drvdata(pdev, priv);