We need to enable runtime_pm on master device with generic helpers,
so that a Slave-initiated wake is propagated to the bus parent.
Signed-off-by: Bard Liao <yung-chuan.l...@linux.intel.com>
---
drivers/soundwire/master.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/soundwire/master.c b/drivers/soundwire/master.c
index 6be0a027def7..5411791e6aff 100644
--- a/drivers/soundwire/master.c
+++ b/drivers/soundwire/master.c
@@ -3,6 +3,7 @@
#include <linux/device.h>
#include <linux/acpi.h>
+#include <linux/pm_runtime.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
#include "bus.h"
@@ -14,9 +15,15 @@ static void sdw_master_device_release(struct device *dev)
kfree(md);
}
+static const struct dev_pm_ops master_dev_pm = {
+ SET_RUNTIME_PM_OPS(pm_generic_runtime_suspend,
+ pm_generic_runtime_resume, NULL)
+};
+
struct device_type sdw_master_type = {
.name = "soundwire_master",
.release = sdw_master_device_release,
+ .pm = &master_dev_pm,
};
/**
--
2.17.1
