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| author | Dexuan Cui <decui@microsoft.com> | 2014-08-01 07:26:41 -0700 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2014-08-04 11:20:20 +0200 |
| commit | f1210455e78a610c7b316389b31c162c371d888c (patch) | |
| tree | 16965b609a3e19cc618c7ca36c1fa087a4aa3d46 /drivers/hid/hid-hyperv.c | |
| parent | 4c2f503aade27ebf12f5733a583d711f99dc5ec1 (diff) | |
| download | lwn-f1210455e78a610c7b316389b31c162c371d888c.tar.gz lwn-f1210455e78a610c7b316389b31c162c371d888c.zip | |
HID: hyperv: register as a wakeup source
With this patch, we can move the mouse to wake up the VM after the VM executes
"echo freeze > /sys/power/state".
This addresses part of https://bugzilla.redhat.com/show_bug.cgi?id=1086100
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-hyperv.c')
| -rw-r--r-- | drivers/hid/hid-hyperv.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index f52dbcb7133b..31fad641b744 100644 --- a/drivers/hid/hid-hyperv.c +++ b/drivers/hid/hid-hyperv.c @@ -308,6 +308,9 @@ static void mousevsc_on_receive(struct hv_device *device, memcpy(input_dev->input_buf, input_report->buffer, len); hid_input_report(input_dev->hid_device, HID_INPUT_REPORT, input_dev->input_buf, len, 1); + + pm_wakeup_event(&input_dev->device->device, 0); + break; default: pr_err("unsupported hid msg type - type %d len %d", @@ -549,6 +552,8 @@ static int mousevsc_probe(struct hv_device *device, goto probe_err2; } + device_init_wakeup(&device->device, true); + input_dev->connected = true; input_dev->init_complete = true; @@ -571,6 +576,7 @@ static int mousevsc_remove(struct hv_device *dev) { struct mousevsc_dev *input_dev = hv_get_drvdata(dev); + device_init_wakeup(&dev->device, false); vmbus_close(dev->channel); hid_hw_stop(input_dev->hid_device); hid_destroy_device(input_dev->hid_device); |