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

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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: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Hans de Goede 2021-05-29 17:14:24 +02:00 • committed by Jiri Kosina
parent 622d97cf7f
commit 498d0ddc6a
1 changed files with 2 additions and 1 deletions
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3
drivers/hid/hid-multitouch.c
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@ -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);