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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-11 01:08:35 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-01-11 01:08:35 +0100
commit6a1c64cb401d14babf7df6307fe8ed5b9728df30 (patch)
tree77eddb6bc1d5cafdbe7f35caae11ce4fb337b2a8 /drivers/char
parent13de22c59fd1f5a452fea806a5f822883deec88b (diff)
parent158204397034f088bfd505eeee281f7072da1c24 (diff)
downloadlinux-linaro-stable-6a1c64cb401d14babf7df6307fe8ed5b9728df30.tar.gz
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/apm into pm-apm-next
Pull APM update for 3.14-rc1 from Jiri Kosina. * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/apm: apm-emulation: add hibernation APM events to support suspend2disk
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/apm-emulation.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index 46118f845948..dd9dfa15e9d1 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -531,6 +531,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
{
struct apm_user *as;
int err;
+ unsigned long apm_event;
/* short-cut emergency suspends */
if (atomic_read(&userspace_notification_inhibit))
@@ -538,6 +539,9 @@ static int apm_suspend_notifier(struct notifier_block *nb,
switch (event) {
case PM_SUSPEND_PREPARE:
+ case PM_HIBERNATION_PREPARE:
+ apm_event = (event == PM_SUSPEND_PREPARE) ?
+ APM_USER_SUSPEND : APM_USER_HIBERNATION;
/*
* Queue an event to all "writer" users that we want
* to suspend and need their ack.
@@ -550,7 +554,7 @@ static int apm_suspend_notifier(struct notifier_block *nb,
as->writer && as->suser) {
as->suspend_state = SUSPEND_PENDING;
atomic_inc(&suspend_acks_pending);
- queue_add_event(&as->queue, APM_USER_SUSPEND);
+ queue_add_event(&as->queue, apm_event);
}
}
@@ -601,11 +605,14 @@ static int apm_suspend_notifier(struct notifier_block *nb,
return notifier_from_errno(err);
case PM_POST_SUSPEND:
+ case PM_POST_HIBERNATION:
+ apm_event = (event == PM_POST_SUSPEND) ?
+ APM_NORMAL_RESUME : APM_HIBERNATION_RESUME;
/*
* Anyone on the APM queues will think we're still suspended.
* Send a message so everyone knows we're now awake again.
*/
- queue_event(APM_NORMAL_RESUME);
+ queue_event(apm_event);
/*
* Finally, wake up anyone who is sleeping on the suspend.