platform/chrome: chromeos_tbmc: Report wake events

Mark chromeos_tbmc as wake capable and report wake events. This helps to
abort suspend on seeing a tablet mode switch event when kernel is
suspending. This also helps identifying if chromeos_tbmc is the wake
source.

Signed-off-by: Ravi Chandra Sadineni <[e-mail]>
Signed-off-by: Enric Balletbo i Serra <[e-mail]>

drivers/platform/chrome/chromeos_tbmc.c

···
 
 static void chromeos_tbmc_notify(struct acpi_device *adev, u32 event)
 {
+	acpi_pm_wakeup_event(&adev->dev);
 	switch (event) {
 	case 0x80:
 		chromeos_tbmc_query_switch(adev, adev->driver_data);
···
 		dev_err(dev, "cannot register input device\n");
 		return ret;
 	}
+	device_init_wakeup(dev, true);
 	return 0;
 }