[PATCH v4 11/12] HID: multitouch: touchscreens also use confidence reports

[Benjamin Tissoires]

From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

According to [1] the confidence is used not only by touchpad devices,
but also by touchscreens.

[1] https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/touchscreen-required-hid-top-level-collections

Acked-by: Peter Hutterer <peter.hutterer@xxxxxxxxx>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
[rebased]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>

---

no changes in v4
no changes in v3

no changes in v2 (compared to Dmitry's initial submission)
---
 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 587369443f50..3464adab0085 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -734,7 +734,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 		case HID_DG_CONFIDENCE:
 			if ((cls->name == MT_CLS_WIN_8 ||
 				cls->name == MT_CLS_WIN_8_DUAL) &&
-				field->application == HID_DG_TOUCHPAD)
+				(field->application == HID_DG_TOUCHPAD ||
+				 field->application == HID_DG_TOUCHSCREEN))
 				app->quirks |= MT_QUIRK_CONFIDENCE;
 
 			if (app->quirks & MT_QUIRK_CONFIDENCE)
-- 
2.14.3