Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/codecs/lpass-tx-macro.c | 61 +++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c
index b32235a9e1e5..2b2b93ddb4d6 100644
--- a/sound/soc/codecs/lpass-tx-macro.c
+++ b/sound/soc/codecs/lpass-tx-macro.c
@@ -1887,6 +1887,12 @@ 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:
@@ -1916,6 +1922,60 @@ 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" },
@@ -1927,6 +1987,7 @@ 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,
--
2.21.0
