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Subject[PATCH 3/3] ASoC: fsl_sai: Set MCLK input or output direction
Date
SAI support select MCLK direction with version.major > 3
and version.minor > 1, the default direction is input,
set it to be output according to DT property.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
---
sound/soc/fsl/fsl_sai.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/sound/soc/fsl/fsl_sai.c b/sound/soc/fsl/fsl_sai.c
index 738b4dda7847..5117c1cd5682 100644
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -1117,6 +1117,13 @@ static int fsl_sai_probe(struct platform_device *pdev)
if (ret < 0)
dev_warn(&pdev->dev, "Error reading SAI version: %d\n", ret);

+ /* Select MCLK direction */
+ if (of_find_property(np, "fsl,sai-mclk-direction-output", NULL) &&
+ sai->verid.major >= 3 && sai->verid.minor >= 1) {
+ regmap_update_bits(sai->regmap, FSL_SAI_MCTL,
+ FSL_SAI_MCTL_MCLK_EN, FSL_SAI_MCTL_MCLK_EN);
+ }
+
pm_runtime_enable(&pdev->dev);
regcache_cache_only(sai->regmap, true);

--
2.27.0
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