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ASoC: codecs: tx-macro: add runtime pm support

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Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20220224111718.6264-14-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2022-02-24 11:17:15 +00:00 committed by Mark Brown
parent 366ff79ed5
commit 1fb83bc5cf
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1 changed files with 61 additions and 0 deletions
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61
sound/soc/codecs/lpass-tx-macro.c
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@ -1881,6 +1881,12 @@ static int tx_macro_probe(struct platform_device *pdev)
if (ret)
goto err_clkout;
pm_runtime_set_autosuspend_delay(dev, 3000);
pm_runtime_use_autosuspend(dev);
pm_runtime_mark_last_busy(dev);
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
return 0;
err_clkout:
@ -1910,6 +1916,60 @@ static int tx_macro_remove(struct platform_device *pdev)
return 0;
}
static int __maybe_unused tx_macro_runtime_suspend(struct device *dev)
{
struct tx_macro *tx = dev_get_drvdata(dev);
regcache_cache_only(tx->regmap, true);
regcache_mark_dirty(tx->regmap);
clk_disable_unprepare(tx->mclk);
clk_disable_unprepare(tx->npl);
clk_disable_unprepare(tx->fsgen);
return 0;
}
static int __maybe_unused tx_macro_runtime_resume(struct device *dev)
{
struct tx_macro *tx = dev_get_drvdata(dev);
int ret;
ret = clk_prepare_enable(tx->mclk);
if (ret) {
dev_err(dev, "unable to prepare mclk\n");
return ret;
}
ret = clk_prepare_enable(tx->npl);
if (ret) {
dev_err(dev, "unable to prepare npl\n");
goto err_npl;
}
ret = clk_prepare_enable(tx->fsgen);
if (ret) {
dev_err(dev, "unable to prepare fsgen\n");
goto err_fsgen;
}
regcache_cache_only(tx->regmap, false);
regcache_sync(tx->regmap);
tx->reset_swr = true;
return 0;
err_fsgen:
clk_disable_unprepare(tx->npl);
err_npl:
clk_disable_unprepare(tx->mclk);
return ret;
}
static const struct dev_pm_ops tx_macro_pm_ops = {
SET_RUNTIME_PM_OPS(tx_macro_runtime_suspend, tx_macro_runtime_resume, NULL)
};
static const struct of_device_id tx_macro_dt_match[] = {
{ .compatible = "qcom,sc7280-lpass-tx-macro" },
{ .compatible = "qcom,sm8250-lpass-tx-macro" },
@ -1921,6 +1981,7 @@ static struct platform_driver tx_macro_driver = {
.name = "tx_macro",
.of_match_table = tx_macro_dt_match,
.suppress_bind_attrs = true,
.pm = &tx_macro_pm_ops,
},
.probe = tx_macro_probe,
.remove = tx_macro_remove,