> -----Original Message----- > From: Dexuan Cui [mailto:decui@xxxxxxxxxxxxx] > Sent: Friday, August 1, 2014 7:27 AM > To: gregkh@xxxxxxxxxxxxxxxxxxx; jkosina@xxxxxxx; linux- > input@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; driverdev- > devel@xxxxxxxxxxxxxxxxxxxxxx; olaf@xxxxxxxxx; apw@xxxxxxxxxxxxx; > jasowang@xxxxxxxxxx > Cc: KY Srinivasan; Haiyang Zhang > Subject: [PATCH] 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 > > Cc: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > Signed-off-by: Dexuan Cui <decui@xxxxxxxxxxxxx> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > --- > drivers/hid/hid-hyperv.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/hid/hid-hyperv.c b/drivers/hid/hid-hyperv.c index > f52dbcb..31fad64 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); > -- > 1.9.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
