In some cases it will be useful to know whether a device has the
autosuspend mode enabled. Provide a helper function that returns the
current setting.

Cc: Len Brown <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: Rafael J. Wysocki <[email protected]>
Cc: Kevin Hilman <[email protected]>
Cc: Alan Stern <[email protected]>
Cc: Mika Westerberg <[email protected]>
Cc: [email protected]
Signed-off-by: Ulf Hansson <[email protected]>
---
 include/linux/pm_runtime.h |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 6fa7cea..bcc2ad4 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -91,6 +91,11 @@ static inline bool pm_runtime_status_suspended(struct device 
*dev)
        return dev->power.runtime_status == RPM_SUSPENDED;
 }
 
+static inline bool pm_runtime_autosuspend_used(struct device *dev)
+{
+       return dev->power.use_autosuspend;
+}
+
 static inline bool pm_runtime_enabled(struct device *dev)
 {
        return !dev->power.disable_depth;
@@ -140,6 +145,7 @@ static inline void device_set_run_wake(struct device *dev, 
bool enable) {}
 static inline bool pm_runtime_suspended(struct device *dev) { return false; }
 static inline bool pm_runtime_active(struct device *dev) { return true; }
 static inline bool pm_runtime_status_suspended(struct device *dev) { return 
false; }
+static inline bool pm_runtime_autosuspend_used(struct device *dev) { return 
false; }
 static inline bool pm_runtime_enabled(struct device *dev) { return false; }
 
 static inline int pm_generic_runtime_suspend(struct device *dev) { return 0; }
-- 
1.7.9.5

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