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From:   Shengjiu Wang <shengjiu.wang@nxp.com>
To:     timur@kernel.org, nicoleotsuka@gmail.com, Xiubo.Lee@gmail.com,
        festevam@gmail.com, broonie@kernel.org,
        alsa-devel@alsa-project.org, lgirdwood@gmail.com, perex@perex.cz,
        tiwai@suse.com, robh+dt@kernel.org, mark.rutland@arm.com,
        devicetree@vger.kernel.org
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: [PATCH v6 3/7] ASoC: fsl-asoc-card: Support new property fsl,asrc-format
Date:   Wed,  1 Apr 2020 16:45:36 +0800
Message-Id: <b8d6d9322e865f61f0c9cb17c69a399624e07676.1585726761.git.shengjiu.wang@nxp.com>
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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>
---
 sound/soc/fsl/fsl-asoc-card.c | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index bb33601fab84..a0f5eb27d61a 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -680,17 +680,20 @@ 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;
-			goto asrc_fail;
-		}
+			/* 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 get output width\n");
+				return ret;
+			}
 
-		if (width == 24)
-			priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
-		else
-			priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
+			if (width == 24)
+				priv->asrc_format = SNDRV_PCM_FORMAT_S24_LE;
+			else
+				priv->asrc_format = SNDRV_PCM_FORMAT_S16_LE;
+		}
 	}
 
 	/* Finish card registering */
-- 
2.21.0