Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
sound/soc/codecs/lpass-wsa-macro.c | 61 ++++++++++++++++++++++++++++++
1 file changed, 61 insertions(+)
diff --git a/sound/soc/codecs/lpass-wsa-macro.c b/sound/soc/codecs/lpass-wsa-macro.c
index 2586d6350f20..97ef788ab65d 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"
@@ -2468,6 +2469,12 @@ static int wsa_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:
@@ -2498,6 +2505,59 @@ 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->mclk);
+ clk_disable_unprepare(wsa->npl);
+ clk_disable_unprepare(wsa->fsgen);
+
+ return 0;
+}
+
+static int __maybe_unused wsa_macro_runtime_resume(struct device *dev)
+{
+ struct wsa_macro *wsa = dev_get_drvdata(dev);
+ int ret;
+
+ ret = clk_prepare_enable(wsa->mclk);
+ if (ret) {
+ dev_err(dev, "unable to prepare mclk\n");
+ return ret;
+ }
+
+ ret = clk_prepare_enable(wsa->npl);
+ if (ret) {
+ dev_err(dev, "unable to prepare mclkx2\n");
+ goto err_npl;
+ }
+
+ ret = clk_prepare_enable(wsa->fsgen);
+ if (ret) {
+ dev_err(dev, "unable to prepare fsgen\n");
+ goto err_fsgen;
+ }
+
+ regcache_cache_only(wsa->regmap, false);
+ regcache_sync(wsa->regmap);
+
+ return 0;
+err_fsgen:
+ clk_disable_unprepare(wsa->npl);
+err_npl:
+ clk_disable_unprepare(wsa->mclk);
+
+ return ret;
+}
+
+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"},
@@ -2509,6 +2569,7 @@ 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
