[PATCH v2 4/5] ASoC: fsl-asoc-card: Add optional dt property for setting mclk-id

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Sound cards may allow using different main clock inputs. In the generic
fsl-asoc-card driver, these values are hardcoded for each specific card
configuration.

Let's make it more flexible, allowing setting mclk-id from the
device-tree node. Otherwise, the default value for each card
configuration is used.

Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx>
---
 sound/soc/fsl/fsl-asoc-card.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c
index 5ee945505281..156d3c669274 100644
--- a/sound/soc/fsl/fsl-asoc-card.c
+++ b/sound/soc/fsl/fsl-asoc-card.c
@@ -693,6 +693,12 @@ static int fsl_asoc_card_probe(struct platform_device *pdev)
 		goto asrc_fail;
 	}
 
+	/*
+	 * Allow setting mclk-id from the device-tree node. Otherwise, the
+	 * default value for each card configuration is used.
+	 */
+	of_property_read_u32(np, "mclk-id", &priv->codec_priv.mclk_id);
+
 	/* Format info from DT is optional. */
 	snd_soc_daifmt_parse_clock_provider_as_phandle(np, NULL, &bitclkprovider, &frameprovider);
 	if (bitclkprovider || frameprovider) {
-- 
2.34.1




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