[PATCH 4/4] HID: multitouch: Disable event reporting on suspend when the device is not a wakeup-source
flat view
STALE1932d
From: Hans de Goede <hidden>
Date: 2021-05-29 15:14:39
Subsystem:
hid core layer, the rest · Maintainers:
Jiri Kosina, Benjamin Tissoires, Linus Torvalds
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 <redacted> --- 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 cfb68e443ddd..c5a7523f97ac 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c@@ -1764,7 +1764,8 @@ 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);
--
2.31.1