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authorFu, Zhonghui <zhonghui.fu@linux.intel.com>2015-09-24 14:06:31 +0800
committerJiri Kosina <jkosina@suse.cz>2015-12-03 09:52:51 +0100
commit64bebefcf3195baed3d15dc377e15d1e7121036a (patch)
treea00547072db74bbc397224d69dd0a09249d654e7 /drivers/hid/hid-core.c
parent25364a9e54fb8296837061bf684b76d20eec01fb (diff)
downloadop-kernel-dev-64bebefcf3195baed3d15dc377e15d1e7121036a.zip
op-kernel-dev-64bebefcf3195baed3d15dc377e15d1e7121036a.tar.gz
HID: enable hid device to suspend/resume asynchronously
Now, PM core supports asynchronous suspend/resume mode for devices during system suspend/resume, and the power state transition of one device may be completed in separate kernel thread. PM core ensures all power state transition timing dependency between devices. This patch enables hid devices to suspend/resume asynchronously. This will take advantage of multicore and improve system suspend/resume speed. Signed-off-by: Zhonghui Fu <zhonghui.fu@linux.intel.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-core.c')
-rw-r--r--drivers/hid/hid-core.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c6f7a69..e9ef0dd 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2660,6 +2660,7 @@ struct hid_device *hid_allocate_device(void)
device_initialize(&hdev->dev);
hdev->dev.release = hid_device_release;
hdev->dev.bus = &hid_bus_type;
+ device_enable_async_suspend(&hdev->dev);
hid_close_report(hdev);
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