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Commit f1210455 authored by Dexuan Cui's avatar Dexuan Cui Committed by Jiri Kosina
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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: default avatarDexuan Cui <decui@microsoft.com>
Signed-off-by: default avatarK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 4c2f503a

drivers/hid/hid-hyperv.c

+6 −0
Original line number Diff line number Diff line
@@ -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);