Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/codecs/lpass-wsa-macro.c | 39 ++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c
index 21a4b8cc4a0a..a8d30f3b3fdf 100644
--- a/sound/soc/codecs/lpass-wsa-macro.c
+++ b/sound/soc/codecs/lpass-wsa-macro.c
@@ -10,6 +10,7 @@
#include <linux/clk-provider.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
+#include <linux/pm_runtime.h>
#include <linux/of_platform.h>
#include <sound/tlv.h>
#include "lpass-wsa-macro.h"
@@ -2429,6 +2430,12 @@ static int wsa_macro_probe(struct platform_device *pdev)
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(WSA_NUM_CLKS_MAX, wsa->clks);
@@ -2446,6 +2453,37 @@ static int wsa_macro_remove(struct platform_device *pdev)
return 0;
}
+static int __maybe_unused wsa_macro_runtime_suspend(struct device *dev)
+{
+ struct wsa_macro *wsa = dev_get_drvdata(dev);
+
+ regcache_cache_only(wsa->regmap, true);
+ regcache_mark_dirty(wsa->regmap);
+
+ clk_disable_unprepare(wsa->clks[2].clk);
+ clk_disable_unprepare(wsa->clks[3].clk);
+ clk_disable_unprepare(wsa->clks[4].clk);
+
+ return 0;
+}
+
+static int __maybe_unused wsa_macro_runtime_resume(struct device *dev)
+{
+ struct wsa_macro *wsa = dev_get_drvdata(dev);
+
+ clk_prepare_enable(wsa->clks[2].clk);
+ clk_prepare_enable(wsa->clks[3].clk);
+ clk_prepare_enable(wsa->clks[4].clk);
+ regcache_cache_only(wsa->regmap, false);
+ regcache_sync(wsa->regmap);
+
+ return 0;
+}
+
+static const struct dev_pm_ops wsa_macro_pm_ops = {
+ SET_RUNTIME_PM_OPS(wsa_macro_runtime_suspend, wsa_macro_runtime_resume, NULL)
+};
+
static const struct of_device_id wsa_macro_dt_match[] = {
{.compatible = "qcom,sc7280-lpass-wsa-macro"},
{.compatible = "qcom,sm8250-lpass-wsa-macro"},
@@ -2457,6 +2495,7 @@ static struct platform_driver wsa_macro_driver = {
.driver = {
.name = "wsa_macro",
.of_match_table = wsa_macro_dt_match,
+ .pm = &wsa_macro_pm_ops,
},
.probe = wsa_macro_probe,
.remove = wsa_macro_remove,
--
2.21.0
