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-rw-r--r--kernel/power/suspend.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 5342f6fc022e..0bd595a0b610 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -63,6 +63,12 @@ static DECLARE_SWAIT_QUEUE_HEAD(s2idle_wait_head);
enum s2idle_states __read_mostly s2idle_state;
static DEFINE_RAW_SPINLOCK(s2idle_lock);
+bool pm_suspend_via_s2idle(void)
+{
+ return mem_sleep_current == PM_SUSPEND_TO_IDLE;
+}
+EXPORT_SYMBOL_GPL(pm_suspend_via_s2idle);
+
void s2idle_set_ops(const struct platform_s2idle_ops *ops)
{
lock_system_sleep();