diff options
| author | Srinivas Kandagatla <srinivas.kandagatla@linaro.org> | 2022-02-24 11:17:15 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-02-25 13:51:11 +0000 |
| commit | 1fb83bc5cf640c821910424cd237e2df1e81be6f (patch) | |
| tree | a4f6ff6bf7098ead36a1f74bb88b5743eddedfd1 | |
| parent | 366ff79ed5392ac518fd43cb44f82f63b87c313e (diff) | |
ASoC: codecs: tx-macro: add runtime pm support
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>
| -rw-r--r-- | sound/soc/codecs/lpass-tx-macro.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c index 27a8774e6360..f2f0d1c4c438 100644 --- a/sound/soc/codecs/lpass-tx-macro.c +++ b/sound/soc/codecs/lpass-tx-macro.c @@ -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, |