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MLK-23651: ASoC: fsl_spdif: Fix hang issue in reboot

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In reboot, system will try to access regisers through
the dai controls, but the clock is not bind with regmap,
then system hang.

So we enable regcache_cache_only in probe to fix this
issue.

Fixes: d55d453fdf ("MLK-23618-11: ASoC: fsl_spdif: Don't bind clock with regmap")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Reviewed-by: Viorel Suman <viorel.suman@nxp.com>
This commit is contained in:
Shengjiu Wang 2020-03-23 12:23:39 +08:00
parent c459da2814
commit bb6511173a
1 changed files with 1 additions and 0 deletions
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sound/soc/fsl/fsl_spdif.c
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@ -1505,6 +1505,7 @@ static int fsl_spdif_probe(struct platform_device *pdev)
clk_disable_unprepare(spdif_priv->coreclk);
pm_runtime_enable(&pdev->dev);
regcache_cache_only(spdif_priv->regmap, true);
/* Register with ASoC */
dev_set_drvdata(&pdev->dev, spdif_priv);