From: Shuming Fan <shumingf@xxxxxxxxxxx>
This patch handles the regmap settings and re-detects the jack when the system level
suspend/resume.
Signed-off-by: Shuming Fan <shumingf@xxxxxxxxxxx>
---
sound/soc/codecs/rt5645.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index b0953e9bcaf9..5be5ec0260e9 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -4199,11 +4199,44 @@ static void rt5645_i2c_shutdown(struct i2c_client *i2c)
regmap_write(rt5645->regmap, RT5645_RESET, 0);
}
+static int __maybe_unused rt5645_sys_suspend(struct device *dev)
+{
+ struct rt5645_priv *rt5645 = dev_get_drvdata(dev);
+
+ del_timer_sync(&rt5645->btn_check_timer);
+ cancel_delayed_work_sync(&rt5645->jack_detect_work);
+ cancel_delayed_work_sync(&rt5645->rcclock_work);
+
+ regcache_cache_only(rt5645->regmap, true);
+ regcache_mark_dirty(rt5645->regmap);
+ return 0;
+}
+
+static int __maybe_unused rt5645_sys_resume(struct device *dev)
+{
+ struct rt5645_priv *rt5645 = dev_get_drvdata(dev);
+
+ regcache_cache_only(rt5645->regmap, false);
+ regcache_sync(rt5645->regmap);
+
+ if (rt5645->hp_jack) {
+ rt5645->jack_type = 0;
+ queue_delayed_work(system_power_efficient_wq,
+ &rt5645->jack_detect_work, msecs_to_jiffies(0));
+ }
+ return 0;
+}
+
+static const struct dev_pm_ops rt5645_pm = {
+ SET_SYSTEM_SLEEP_PM_OPS(rt5645_sys_suspend, rt5645_sys_resume)
+};
+
static struct i2c_driver rt5645_i2c_driver = {
.driver = {
.name = "rt5645",
.of_match_table = of_match_ptr(rt5645_of_match),
.acpi_match_table = ACPI_PTR(rt5645_acpi_match),
+ .pm = &rt5645_pm,
},
.probe = rt5645_i2c_probe,
.remove = rt5645_i2c_remove,
--
2.41.0
