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authorRafael J. Wysocki <rjw@sisk.pl>2012-04-29 22:53:32 +0200
committerVarun Wadekar <vwadekar@nvidia.com>2012-07-23 14:08:08 +0530
commite86d6171cfe47cee7ea6a53465bfd221ed3d9dfa (patch)
tree68f695e2ba5091f3c0bb9543390d4ed7ff117d21 /kernel
parentc968c1d9df7e9d16aafa57607ddabe2b92e17933 (diff)
PM / Sleep: Add "prevent autosleep time" statistics to wakeup sources
Android uses one wakelock statistics that is only necessary for opportunistic sleep. Namely, the prevent_suspend_time field accumulates the total time the given wakelock has been locked while "automatic suspend" was enabled. Add an analogous field, prevent_sleep_time, to wakeup sources and make it behave in a similar way. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/power/autosleep.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/power/autosleep.c b/kernel/power/autosleep.c
index 42348e3589d3..ca304046d9e2 100644
--- a/kernel/power/autosleep.c
+++ b/kernel/power/autosleep.c
@@ -101,8 +101,12 @@ int pm_autosleep_set_state(suspend_state_t state)
__pm_relax(autosleep_ws);
- if (state > PM_SUSPEND_ON)
+ if (state > PM_SUSPEND_ON) {
+ pm_wakep_autosleep_enabled(true);
queue_up_suspend_work();
+ } else {
+ pm_wakep_autosleep_enabled(false);
+ }
mutex_unlock(&autosleep_lock);
return 0;