Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/codecs/lpass-tx-macro.c | 41 +++++++++++++++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/sound/soc/codecs/lpass-tx-macro.c b/sound/soc/codecs/lpass-tx-macro.c
index 7347d79a6329..1c0f0d27ed42 100644
--- a/sound/soc/codecs/lpass-tx-macro.c
+++ b/sound/soc/codecs/lpass-tx-macro.c
@@ -6,6 +6,7 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
@@ -1844,6 +1845,13 @@ static int tx_macro_probe(struct platform_device *pdev)
ARRAY_SIZE(tx_macro_dai));
if (ret)
goto err;
+
+ 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 ret;
err:
clk_bulk_disable_unprepare(TX_NUM_CLKS_MAX, tx->clks);
@@ -1862,6 +1870,38 @@ 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->clks[2].clk);
+ clk_disable_unprepare(tx->clks[3].clk);
+ clk_disable_unprepare(tx->clks[4].clk);
+
+ return 0;
+}
+
+static int __maybe_unused tx_macro_runtime_resume(struct device *dev)
+{
+ struct tx_macro *tx = dev_get_drvdata(dev);
+
+ clk_prepare_enable(tx->clks[2].clk);
+ clk_prepare_enable(tx->clks[3].clk);
+ clk_prepare_enable(tx->clks[4].clk);
+ regcache_cache_only(tx->regmap, false);
+ regcache_sync(tx->regmap);
+ tx->reset_swr = true;
+
+ return 0;
+}
+
+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" },
@@ -1873,6 +1913,7 @@ 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
