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[1/2] PM / Runtime: Add helper function to get value of use_autosuspend

Message ID 1381399307-21534-2-git-send-email-ulf.hansson@linaro.org
State New
Headers show

Commit Message

Ulf Hansson Oct. 10, 2013, 10:01 a.m. UTC 
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 <len.brown@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Rafael J. Wysocki <rjw@rjwysocki.net>
Cc: Kevin Hilman <khilman@linaro.org>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: linux-pm@vger.kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
 include/linux/pm_runtime.h |    6 ++++++
 1 file changed, 6 insertions(+)
diff mbox

Patch

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; }