Commit 498d0ddc authored by Hans de Goede's avatar Hans de Goede Committed by Jiri Kosina
Browse files

HID: multitouch: Disable event reporting on suspend when the device is not a wakeup-source 



Disable event reporting on suspend when the hid device is not
a wakeup-source. This should help save some extra power in this case.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Reviewed-by: default avatarBenjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 622d97cf

drivers/hid/hid-multitouch.c

+2 −1
Original line number Diff line number Diff line
@@ -1768,7 +1768,8 @@ static int mt_suspend(struct hid_device *hdev, pm_message_t state) 
	struct mt_device *td = hid_get_drvdata(hdev);



	/* High latency is desirable for power savings during S3/S0ix */

	if (td->mtclass.quirks & MT_QUIRK_DISABLE_WAKEUP)

	if ((td->mtclass.quirks & MT_QUIRK_DISABLE_WAKEUP) ||

	    !hid_hw_may_wakeup(hdev))

		mt_set_modes(hdev, HID_LATENCY_HIGH, false, false);

	else

		mt_set_modes(hdev, HID_LATENCY_HIGH, true, true);