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ASoC: rockchip: spdif: restore register during runtime_suspend/resume cycle
when step into runtime_suspend, spdif pd will be disabled and loss state. so need to restore register when runtime_resume. Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 11 additions and 1 deletions
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@ -65,6 +65,7 @@ static int __maybe_unused rk_spdif_runtime_suspend(struct device *dev)
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{
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{
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struct rk_spdif_dev *spdif = dev_get_drvdata(dev);
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struct rk_spdif_dev *spdif = dev_get_drvdata(dev);
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regcache_cache_only(spdif->regmap, true);
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clk_disable_unprepare(spdif->mclk);
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clk_disable_unprepare(spdif->mclk);
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clk_disable_unprepare(spdif->hclk);
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clk_disable_unprepare(spdif->hclk);
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@ -88,7 +89,16 @@ static int __maybe_unused rk_spdif_runtime_resume(struct device *dev)
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return ret;
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return ret;
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}
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}
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return 0;
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regcache_cache_only(spdif->regmap, false);
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regcache_mark_dirty(spdif->regmap);
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ret = regcache_sync(spdif->regmap);
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if (ret) {
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clk_disable_unprepare(spdif->mclk);
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clk_disable_unprepare(spdif->hclk);
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}
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return ret;
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}
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}
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static int rk_spdif_hw_params(struct snd_pcm_substream *substream,
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static int rk_spdif_hw_params(struct snd_pcm_substream *substream,
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