From 498d0ddc6ae931e4e79a57c56b6dd4576aa435b6 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sat, 29 May 2021 17:14:24 +0200 Subject: [PATCH] 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: Hans de Goede Reviewed-by: Benjamin Tissoires Signed-off-by: Jiri Kosina --- drivers/hid/hid-multitouch.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 2e4fb76c45f3..3ea7cb1cda84 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -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);